BMW S55 Resonated Catted Downpipes M2C M3 M4 W/ Flex Section Coolant Flanges 8T FWD Audi A4 B5

8T FWD Audi A4 B5 (1996-2001) 1

1mm 10 blade high efficiency turbine wheel

We have made the harness with lots of features so it will work with nearly all K-Series engine swaps and the 05-06 RSX Type S

Requires usage of Bosch EV14 long style injectors i

BMW S55 Resonated Catted Downpipes M2C M3 M4 W/ Flex Section Coolant Flanges 8T FWD Audi A4 B5These high performance downpipes are designed to reduce turbo back pressure, increase horsepower, and provide a deeper, more aggressive exhaust sound without the unwanted rasp. Ideal for Stage 2 tuning and beyond, the catted version features 200 cell catalysts, offering reduced emissions while boosting overall engine performance. Key Features: Up to +30whp 30wtq: Significant increase in power and torque, especially for high boost tunes. Enhanced