MBS E9X M3 Test Pipes – E90 | E92 | E93 M3 (S65 Engine) Unlock the full potential of your S65 V8 with the MBS Test Pipes for the E9X M3. Designed to replace the restrictive factory catalytic converters, these test pipes free up exhaust flow, reducing back pressure and delivering noticeable gains in horsepower and torque when paired with tuning. The result is sharper throttle response, faster revving, and a more aggressive exhaust tone that brings out the true character of your M3. Crafted from SS304 stainless steel, the MBS Test Pipes are built for durability and a precise fit with your OEM or aftermarket exhaust system. Installation is straightforward—simply cut and bolt in place using the provided exhaust clamps, no welding required. Key Features: Fits E90/E92/E93 M3 with S65 V8 (2008–2013) Gains of up to 25hp / 25tq with proper tuning Frees exhaust flow & enhances sound Constructed from SS304 stainless steel Designed for OEM or aftermarket exhausts Easy installation – cut and clamp, no welding
