Our high-performance SS304 stainless steel downpipes are designed for the Audi RS4/RS5 B9 2.9T. Eliminate factory backpressure, unlock instant horsepower & torque gains, reduce turbo lag, and get a deeper, aggressive exhaust tone. Precision CNC flanges for direct bolt-on fitment—no cutting required. Built to handle extreme heat, corrosion-resistant, perfect for both street and track builds.
Stainless Steel Turbo Exhaust Downpipe for the BMW F80 M3, F82 M4 (and compatible F83 M4 Convertible) Models with the S55 3.0-liter Twin-Turbocharged Inline-6 Engine – Unleash Your M Performance Potential