Crossover Exhaust Pipe for 2021+ M2/M3/M4 S58 Engine m60i If you look at the

If you look at the dyno charts

Fits all 2011-12 BMW 135i

High quality Goodrich anodized black AN fittings and high end Goodrich Stainless Steel Braided Lines are used throughout the kit

Our Competition Series 4" Downpipes for your 2011-16 535i (F10)

Crossover Exhaust Pipe for 2021+ M2/M3/M4 S58 Engine m60i If you look at theIntroducing our new Midpipe Crossover Exhaust Pipe for your twin turbo S58 engine! Fits 2021+ M3 M4 (G80 G82) and 2023+ M2 (G87). Key Features: Made in the USA! Manufactured in house. Now available for the 2021+ BMW M3 M4 & 2023+ M2 S58 Engines! Higher Max Horsepower Power Curve Higher Initial Torque Curve. Torque curve hits faster and higher and longer. Better throttle response and faster turbo spool up times Mandrel Bent 3" piping. Smooth transition