GR Yaris Parts – Your Complete GR Performance Guide

The Toyota GR Yaris represents a remarkable achievement in automotive engineering – a purpose-built rally car for the road that redefines what a hot hatch can be. Developed by Gazoo Racing under the leadership of chief engineer Naohiko Saito, the GR Yaris was created specifically for homologation in the World Rally Championship, resulting in a production car unlike any other Toyota Yaris before it. With its turbocharged three-cylinder engine producing impressive power and torque, permanent all-wheel drive system, and lightweight construction, the GR Yaris delivers performance that challenges vehicles costing considerably more.

Since the model’s launch, the GR Yaris has captured enthusiasts’ imagination worldwide, spawning special editions including the Rovanperä Edition and Ogier Edition celebrating Toyota’s rally success. The GRMN Yaris takes performance even further, offering even more power through careful refinement of the already potent formula. Whether you own a standard GR Yaris, the high-specification GR Yaris RZ, or one of the limited special editions, upgrading your car with quality parts ensures it continues delivering the exceptional driving experience Gazoo Racing engineered into every component.

Why Choose the SRD Toyota GR Yaris Parts

Our comprehensive selection of Toyota GR Yaris parts caters to every aspect of ownership, from essential service items maintaining reliability to serious performance upgrades that unlock additional potential from the turbocharged engine. Each component has been selected specifically for the GR Yaris platform, ensuring proper fitment and integration with the car’s sophisticated systems. From the engine bay to the rear spoiler, from the wheels to the exhaust system, every part represents an opportunity to enhance your hot hatch’s capabilities whilst maintaining the reliability Toyota is renowned for delivering.

Engine & Power - Unleash Your GR Yaris's True Potential

The heart of the GR Yaris is its remarkable 1.6-litre three-cylinder turbocharged engine, producing 261 bhp in standard form with the GRMN Yaris offering even more power through careful development. This compact powerplant generates impressive torque across a wide rev range, delivering acceleration that embarrasses many sports cars. Our Engine & Power section offers components that extract additional performance from this already potent engine, from intake and exhaust modifications to internal upgrades for those seeking serious power gains.

Cold air intake systems improve airflow to the turbo, reducing intake temperatures whilst increasing volume. The GR Yaris engine responds exceptionally well to breathing modifications, with measurable gains from quality intake systems. Engine mounts in uprated polyurethane or solid materials reduce movement under hard acceleration, improving throttle response and gear selection precision. Oil catch cans prove beneficial for preserving engine longevity, particularly in modified applications where increased boost pressure forces more oil vapour through the crankcase ventilation system.

Engine management tuning unlocks significant power gains from the turbocharged three-cylinder, with ECU remapping safely increasing both power and torque output. The GR Yaris engine’s strong internal construction tolerates moderate power increases reliably, making it an excellent platform for enhancement. Upgraded engine components including uprated valve springs, performance camshafts, and forged internals support higher power targets for serious builds. Cooling system upgrades including larger radiators and oil coolers ensure temperatures remain controlled during sustained high performance driving, whether on track or attacking challenging roads.

Fuel system upgrades become necessary when pursuing significant power increases, with high-flow fuel pumps and upgraded injectors ensuring adequate fuel delivery. The direct injection system requires careful calibration when modified, emphasising the importance of professional tuning to ensure safe operation. Ignition system enhancements including uprated coil packs and performance spark plugs ensure reliable combustion at elevated power levels. These Toyota GR Yaris parts work together to safely increase engine output whilst maintaining the reliability that makes this hot hatch suitable for daily driving as well as weekend track sessions.

Turbos & Forced Induction - Maximum Boost Performance

The GR Yaris’s turbocharger is central to its impressive performance, with the forced induction system delivering immediate throttle response and strong acceleration. Our Turbos & Forced Induction category features upgrades that increase boost pressure and improve efficiency, from simple bolt-on enhancements to complete turbo replacements supporting significantly higher power levels. The compact three-cylinder engine’s turbo responds exceptionally well to modifications, making forced induction upgrades among the most effective improvements for the GR Yaris.

Upgraded turbochargers transform the GR Yaris’s power delivery, with larger units supporting 400+ horsepower when combined with appropriate supporting modifications. Turbo upgrade paths range from hybrid turbos using modified factory housings to complete aftermarket replacements offering maximum flow. Turbo inlet pipes, high-flow downpipes, and complete exhaust system replacements reduce backpressure, allowing the turbo to work more efficiently whilst generating the satisfying soundtrack enthusiasts appreciate from modified hot hatches.

Intercooler upgrades prove essential when increasing boost pressure, with larger core volumes maintaining safe intake temperatures even during sustained high-speed driving. The GR Yaris features a front-mounted intercooler that benefits from upgraded units offering significantly enhanced cooling capacity. Charge pipes and silicone hose replacements eliminate potential failure points whilst improving flow characteristics. Blow-off valves and recirculation valves can be upgraded for improved response and durability, with options ranging from subtle to deliberately audible depending on your preferences.

Boost controllers provide precise management of turbocharger pressure, essential for safely extracting maximum performance. Electronic boost controllers offer features including boost-by-gear functionality and safety limiters protecting your engine from dangerous over-boost conditions. Supporting modifications including upgraded actuators ensure precise boost control across the rev range. An automatic transmission fluid cooler becomes particularly important for GR Yaris models equipped with the Direct Automatic Transmission, ensuring fluid temperatures remain optimal during enthusiastic driving. These turbo and forced induction parts unlock the true potential of the GR Yaris’s compact turbocharged engine, delivering power that rivals significantly larger engines.

Exhaust Systems: Liberate Performance and Sound

The Toyota GR Yaris’s exhaust system plays a crucial role in both performance and character, with the factory setup providing a balance between efficiency and acceptable noise levels. Our Exhaust Systems category offers comprehensive upgrades that reduce backpressure, increase power and torque, whilst generating the engaging soundtrack that hot hatch enthusiasts appreciate. From subtle enhancements maintaining civility for daily driving to full racing systems designed for maximum flow, our exhaust selection caters to every preference and performance target.

Cat-back exhaust systems replace everything from the catalytic converter rearward, offering significant improvements in flow and sound without compromising emissions compliance. These systems typically feature larger diameter piping than the factory exhaust system, reducing restriction and allowing the turbo to work more efficiently. Stainless steel construction ensures longevity, resisting corrosion far better than mild steel factory components. The GR Yaris responds particularly well to exhaust upgrades, with measurable power gains accompanying the enhanced acoustics. Sound levels can be tailored through valve control systems, allowing quiet operation when desired whilst unleashing full volume for spirited driving.

Downpipe replacements prove especially effective for turbocharged vehicles like the GR Yaris, as they eliminate the restrictive primary catalytic converter that creates significant backpressure. High-flow sports catalytic converters maintain emissions compliance whilst dramatically reducing restriction, allowing the turbo to spool more quickly and generate boost more efficiently. Decat options provide maximum flow for track-focused builds, though road legality varies by jurisdiction. The combination of upgraded downpipe and cat-back system transforms the GR Yaris’s character, with the three-cylinder engine developing a distinctive, aggressive note that turns heads whilst delivering genuine performance benefits.

Full turbo-back exhaust systems replace everything from turbo outlet to rear tailpipes, providing the ultimate in flow optimisation. These comprehensive systems work particularly well when combined with upgraded turbochargers, supporting the increased exhaust gas flow that higher boost pressures generate. Custom fabrication allows systems tailored precisely to your specification, whether prioritising maximum power, specific sound characteristics, or weight reduction. Titanium exhausts offer extreme weight savings, with some systems removing 10kg or more compared to factory components. Every kilogram shed improves the power-to-weight ratio, enhancing acceleration and handling agility.

Exhaust system components including high-quality hangers, heat shields, and gaskets ensure proper installation and long-term reliability. Thermal wrapping protects surrounding components from excessive heat whilst potentially improving exhaust gas velocity through heat retention. Resonators and mufflers in various configurations allow fine-tuning of sound characteristics, ensuring your Toyota GR Yaris sounds exactly as you envision. Professional installation ensures proper fitment and prevents common issues like leaks, rattles, or excessive drone. These exhaust system upgrades liberate performance whilst adding an emotive soundtrack that enhances every acceleration, making your hot hatch even more engaging to drive whether commuting through traffic or attacking your favourite country roads

Clutch & Drivetrain - Transfer Power Reliably

The GR Yaris’s sophisticated GR-Four all-wheel drive system represents a key component of its rally-derived performance, distributing torque between front and rear axles to maximise traction. Our Clutch & Drivetrain selection includes upgraded components designed to handle increased power levels whilst maintaining the system’s sophisticated behaviour. The Direct Automatic Transmission available on some GR Yaris models requires different components than manual variants, with our catalogue covering both transmission types comprehensively.

Performance clutch kits for manual transmission GR Yaris models provide enhanced clamping force and heat resistance for demanding applications. Lightweight flywheels reduce rotational inertia, sharpening throttle response and improving rev matching during gear shifting. The GR Yaris’s six-speed manual transmission benefits from short-shift kits that reduce throw distances, allowing quicker gear selection that suits the car’s sporting character. Uprated clutch lines and improved fluids enhance pedal feel and consistency, particularly important during track use or spirited driving.

For GR Yaris models equipped with the Direct Automatic Transmission, conventional gear shifting relies on sophisticated electronics managing torque distribution and shift timing. The automatic transmission benefits from fluid coolers maintaining optimal operating temperatures, with an automatic transmission fluid cooler proving essential for modified vehicles or those used regularly on track. Transmission mounts in upgraded materials reduce drivetrain movement, improving shift quality and reducing parasitic losses. The drive mode selection function allows drivers to choose between different transmission and all-wheel drive behaviours, with custom tuning unlocking additional control over these systems.

Differential upgrades and enhanced torque biasing improve the GR-Four system’s already impressive traction characteristics. Uprated driveshafts and CV joints handle increased torque reliably, eliminating potential failure points in high-power builds. The rear differential particularly benefits from enhanced cooling and upgraded components when power levels exceed standard specifications. These Toyota GR Yaris drivetrain parts ensure power reaches all four wheels efficiently, maintaining the traction advantage that makes this hot hatch so effective in all conditions, from dry tarmac to snow covered roads where the all-wheel drive system truly excels

Suspension & Brakes - Precision Handling and Control

The GR Yaris chassis provides an exceptional foundation, with Gazoo Racing engineers focusing intensely on body rigidity and suspension geometry. Structural adhesive and additional spot welds throughout the structure create rigidity normally found in dedicated sports cars, with benefits evident through every corner. Our Suspension & Brakes selection offers components that refine the already excellent dynamics, from subtle improvements to comprehensive track-focused setups that extract maximum performance from this rally-bred platform.

Coilover suspension systems provide complete adjustability for ride height, spring rates, and damping characteristics. These components allow you to lower your GR Yaris for improved aerodynamics and reduced centre of gravity, enhancing cornering performance and high-speed stability. Adjustable shock absorbers let you tune damping precisely to your preferences, whether prioritising comfort for daily driving or maximum control for track use. Anti-roll bars in various stiffness ratings allow fine-tuning of handling balance, adjusting the characteristic between understeer and oversteer to suit your driving style.

Suspension bushings in polyurethane or spherical bearing designs sharpen response times, transmitting suspension movements more directly whilst providing enhanced feedback through the steering wheel. Chassis bracing including strut tower bars and under-braces increase rigidity further beyond the already stiff structure. These modifications particularly benefit track-focused builds, though even road cars experience improved steering response and body control. Upgraded suspension components work harmoniously with the GR Yaris’s sophisticated all-wheel drive system, ensuring optimal tyre contact and traction in all conditions.

Brake upgrades become essential as performance increases, with big brake kits featuring larger discs and multi-piston calipers delivering the consistent, fade-resistant performance necessary for track use. The GR Yaris’s standard brakes provide impressive stopping power, but modified cars generating significantly more power demand enhanced components. Performance brake pads, stainless steel braided lines, and high-temperature brake fluid complete the upgrade, ensuring your hot hatch can scrub speed as confidently as it generates velocity. The parking brake system can also be enhanced for improved holding force and reliability during track use or when parked on steep inclines.

Wheels & Tyres - Style Meets Performance

Wheel and tyre selection dramatically affects the GR Yaris’s performance and appearance. Lightweight forged wheels reduce unsprung mass at each corner, improving acceleration, braking, and suspension response. Our Wheels & Tyres catalogue features designs spanning from subtle to aggressive, with sizing options maintaining proper clearances around suspension and brake components. The GR Yaris RZ comes equipped with lightweight BBS wheels as standard equipment, setting a high benchmark that aftermarket options must match or exceed.

Wheel sizing for the GR Yaris typically ranges from 17 to 18 inches, with width selections balancing fitment and performance. The all-wheel drive system distributes power across all four wheels, making tyre selection critical for maintaining traction. Lightweight wheel construction reduces rotational inertia, sharpening throttle response and reducing the load on the drivetrain. Quality wheels from reputable manufacturers ensure proper load ratings and dimensional accuracy, maintaining the precise dynamics Gazoo Racing engineered into this hot hatch.

Tyre compounds prove equally important, with modern performance tyres providing the mechanical grip necessary to exploit the GR Yaris’s capabilities fully. Track-focused tyres maximise grip for circuit use, whilst sport-touring compounds balance performance with acceptable tread life for daily driving. The sophisticated all-wheel drive system works most effectively with quality tyres, ensuring electronics can distribute power optimally. Tyre pressures require careful attention, with proper inflation ensuring optimal contact patches and even wear patterns that maximise both performance and tyre life.

Wheel spacers allow precise track width adjustments, filling the wheel arches more aggressively whilst potentially improving stability. Locking wheel nuts provide security for expensive wheel and tyre combinations, essential when parking this desirable hot hatch in public areas. Winter wheel and tyre packages prove beneficial for regions experiencing snow covered roads, with dedicated winter compounds maintaining traction in cold conditions where summer tyres struggle. These Toyota GR Yaris wheel and tyre parts allow you to optimise both appearance and performance, ensuring your hot hatch looks as impressive as it drives.

Exterior - Aerodynamics and Aesthetic Enhancement

The GR Yaris’s aggressive exterior styling combines aerodynamic function with visual drama, with every surface contributing to performance. The distinctive wide-body design accommodates the sophisticated all-wheel drive system, creating a purposeful stance that immediately communicates this car’s rally heritage. Our Exterior parts selection allows owners to enhance their GR Yaris’s appearance and aerodynamic performance through carefully chosen upgrades, from subtle refinements to comprehensive transformations inspired by rally car aesthetics.

The rear spoiler can be upgraded for enhanced downforce, with larger wings generating increased rear grip at high speeds. Front splitters and canards increase front downforce whilst managing airflow, improving high-speed stability and cornering grip. The lower grille and larger opening in the front bumper feed air to the intercooler and radiator, with upgraded ducting improving cooling efficiency. These aerodynamic components prove particularly beneficial for track-focused builds, though even street-driven GR Yaris models benefit from enhanced stability when cruising at motorway speeds.

Carbon fibre components offer weight savings alongside visual drama, with options including bonnets, roof panels, door mirrors, and various trim pieces. Every kilogram removed from the GR Yaris improves the power-to-weight ratio, enhancing acceleration and handling agility. Body rigidity enhancements including additional structural adhesive and strategic spot welds can be added during modification, further improving the already rigid structure. These modifications complement the engineering excellence that Gazoo Racing invested in creating this remarkable hot hatch.

Lighting upgrades including LED headlights and tail lights modernise appearance whilst improving visibility. The rearview mirror can be replaced with aerodynamic designs that reduce drag and improve visibility. Paint protection films preserve the GR Yaris’s finish from stone chips and environmental damage, particularly important given the enthusiasm with which most people drive these cars. Vinyl wraps and custom liveries allow comprehensive personalisation, with many owners choosing rally-inspired designs celebrating Toyota’s motorsport heritage. These exterior parts enable you to create a truly distinctive GR Yaris that reflects your individual style whilst potentially enhancing aerodynamic performance.

Interior - Comfort, Control, and Customisation

The GR Yaris interior prioritises driving engagement over luxury, with every control positioned for optimal accessibility from the driving position. The cabin wraps around the driver, creating an environment focused entirely on performance. Our Interior parts selection enhances this already excellent ergonomics, offering upgrades spanning from performance-focused modifications to comfort and convenience improvements that make the GR Yaris even more suitable for daily driving.

Performance seats provide crucial support during spirited driving, with racing seats offering maximum lateral support for track use whilst sport seats balance support with daily comfort. The standard GR Yaris seats provide impressive support, though dedicated racing seats take this further for serious track enthusiasts. Steering wheel upgrades including smaller diameter or flat-bottomed designs improve ergonomics whilst enhancing the sporting aesthetic. Alcantara or leather trim options allow personalisation matching your preferences, with many owners selecting materials echoing those used in professional drivers’ rally cars.

The instrument panel displays vital vehicle information clearly, with aftermarket gauge clusters offering enhanced functionality and customisable displays. Additional gauges monitoring boost pressure, oil temperature, and other parameters provide valuable information for modified vehicles. The control panel housing the drive mode selection function can be enhanced with carbon fibre or aluminium trim, elevating the interior’s visual appeal. A steel mesh covering the gear selector gate adds visual interest whilst echoing rally car aesthetics, with many owners appreciating these subtle motorsport-inspired details.

Interior trim upgrades including carbon fibre accents, aluminium pedals, and custom shift knobs allow personalisation reflecting your style. Sound deadening materials can be strategically added to reduce road and wind noise, improving refinement for daily driving without adding excessive weight. Climate control system enhancements ensure interior comfort regardless of external conditions. Storage solutions and organisation accessories improve practicality, making the GR Yaris more accommodating for daily use. These Toyota GR Yaris interior parts transform the cabin into something even more special, creating an environment that inspires confidence and enhances every journey.

Electronics - Advanced Engine Management and Monitoring

Modern high performance vehicles like the GR Yaris rely on sophisticated electronics for engine management, all-wheel drive control, and driver assistance features. Our Electronics section provides components that enhance these systems, from standalone engine management units to data logging equipment helping you understand your car’s performance. The GR Yaris’s electronics prove both sophisticated and tunable, with aftermarket solutions building upon Toyota’s foundation to extract maximum performance whilst maintaining reliability.

Standalone engine management systems provide complete control over fuel delivery, ignition timing, and boost pressure in the turbocharged three-cylinder engine. These ECUs allow precise calibration matched to your specific modifications, essential when running upgraded turbos or internal engine components. Piggyback ECU systems offer an intermediate solution, modifying signals from factory engine management without completely replacing it. These systems prove popular for moderately modified GR Yaris models, providing significant power gains whilst retaining factory diagnostics and functionality.

Data logging equipment records vital engine parameters during operation, allowing detailed analysis of performance and identifying potential issues before they cause damage. Wideband air-fuel ratio gauges monitor combustion mixture, essential for safe tuning of modified engines. Boost pressure gauges, oil pressure monitors, and temperature sensors provide the information necessary to ensure your Toyota GR Yaris operates within safe parameters. Digital displays can integrate with the instrument panel or be mounted separately, providing comprehensive data in convenient formats that don’t obstruct forward visibility.

All-wheel drive system controllers allow custom tuning of the GR-Four system’s torque distribution, with adjustments ranging from subtle to dramatic depending on your preferences and driving style. The drive mode selection function can be expanded through aftermarket controllers offering additional modes beyond the factory options including Normal mode, Sport mode, and Track mode. VSC off functionality can be enhanced through electronic modifications allowing more precise control over stability and traction systems. These Toyota GR Yaris electronics parts ensure your hot hatch operates with precision, providing the control necessary to extract maximum performance safely whilst maintaining the sophisticated behaviour that distinguishes this rally-bred vehicle from simpler alternatives.

Accessories - Essential Additions for Every Build

Complete your Toyota GR Yaris with carefully selected accessories that enhance functionality, appearance, and ownership experience. Our Accessories section includes everything from practical maintenance items to styling elements personalising your hot hatch. The GR Yaris has spawned a thriving enthusiast community, with numerous accessories celebrating the car’s rally heritage and Gazoo Racing development. Whether maintaining a daily driver or building a track weapon, our accessories selection provides the finishing touches transforming a good car into something exceptional.

Car care products specifically formulated for modern vehicles maintain your GR Yaris’s appearance and protect surfaces from environmental damage. Premium waxes, sealants, and ceramic coatings preserve paintwork, particularly important for special editions like the Rovanperä Edition and Ogier Edition featuring unique colours. Wheel cleaners designed for the various wheel finishes ensure your wheels maintain their appearance despite brake dust accumulation. Interior cleaners preserve cabin surfaces, with specialist products for Alcantara and leather ensuring materials remain in pristine condition.

Track day accessories including tyre pressure gauges, temperature monitors, and lap timing equipment enhance the experience for owners regularly using their GR Yaris on circuits. Helmet storage solutions, race suit bags, and trackside tool kits prove invaluable during competition weekends. GoPro mounts and in-car camera systems allow recording your driving, providing footage for analysis or sharing with the enthusiast community. These accessories complement performance modifications that make your hot hatch track-capable, ensuring you can fully exploit its rally-derived potential.

Branded merchandise including apparel, keychains, and collectibles allows you to celebrate ownership beyond merely driving the car. Scale models of the GR Yaris, including replicas of special editions and rally cars, prove popular with collectors. Technical documentation and workshop manuals provide valuable reference for owners performing their own maintenance. The Tokyo Auto Salon has featured numerous modified GR Yaris builds, inspiring accessories and modification packages celebrating Japanese tuning culture. These accessories enhance ownership experience, creating connections with the broader community of enthusiasts who appreciate this exceptional hot hatch.

Service Items - Maintain Peak Performance

Regular maintenance using quality service items ensures your Toyota GR Yaris continues delivering the performance and reliability Gazoo Racing engineered into this rally-bred platform. Our Service Items section includes everything required for proper maintenance, from engine oils formulated specifically for turbocharged applications to filters, spark plugs, and fluids meeting or exceeding Toyota’s specifications. The GR Yaris’s high-strung turbocharged engine demands proper maintenance, with service intervals and quality components essential for maintaining the reliability that allows this hot hatch to function as both daily transport and weekend track car.

Engine oil selection proves critical for the turbocharged three-cylinder, with fully synthetic formulations providing protection necessary during high-temperature operation. The turbo’s extreme operating temperatures demand oils maintaining viscosity and protective properties even under severe stress. Oil filters, air filters, and cabin filters require regular replacement, with quality components ensuring contaminants are removed effectively. Upgraded oil filters with enhanced capacity prove beneficial for modified engines generating increased power and operating at higher stress levels.

Spark plugs in heat ranges matched to your engine’s specification ensure reliable ignition and optimal combustion. The direct injection fuel system benefits from periodic cleaning, with fuel system additives and professional services maintaining injector efficiency. Coolant system service including thermostat replacement and coolant renewal maintains optimal operating temperatures, essential for engine longevity particularly in modified applications. Brake fluid changes at appropriate intervals preserve pedal feel and braking performance, with high-temperature fluids proving beneficial for track use where standard fluids might boil.

Transmission servicing for both manual and Direct Automatic Transmission variants ensures smooth operation and maximum component life. The sophisticated automatic transmission particularly benefits from regular fluid changes, with an automatic transmission fluid cooler helping maintain optimal temperatures during enthusiastic driving. Differential servicing maintains quiet operation and protects gears from wear. Air filter replacements ensure the turbo receives clean air, maximising efficiency and power. These service items might seem routine compared to performance upgrades, but they prove essential for maintaining the GR Yaris’s rally-derived reliability and performance over extended ownership, whether accumulating miles on public roads or competing in events like the Japan Rally Championship or Super Taikyu Series.