Description
The Garage Whifbitz 3" Catless Resonated Downpipes are engineered specifically for the F Series BMW M3, M4, and M2 Competition, designed to optimize exhaust flow and enhance performance for motorsport applications. These downpipes are intended to replace the restrictive OEM catalytic converters, providing a significant increase in horsepower and torque.
- Constructed from durable 304 stainless steel for corrosion resistance and longevity
- Features a flexi section to accommodate engine movement, reducing stress and potential failure
- Integrated resonators help mitigate the S55 engine's characteristic raspy exhaust note while maximizing performance
- Catless design improves exhaust flow, making them ideal for high-boost builds and track-focused applications
These downpipes are perfect for enthusiasts looking to maximize their vehicle's performance on the track or in competitive settings. The removal of OEM cats not only increases power but also reduces back pressure, enabling quicker turbo spool and overall responsiveness.
To ensure optimal performance, these downpipes are designed for use in motorsport environments only. Installation can be performed in-house, and we encourage customers to reach out for tuning advice or additional modifications for their BMW M3, M4, or M2 Comp. Please note that by purchasing this product, you confirm it will not be used on public roads.







