
Evolution Racewerks Competition Series Catless Downpipes S58 Engine (2021+ M3/M4)
Ease of Installation: (1 Easy, 5 Hard) 3 Installation Guide Parts Checklist Key Features: Now available for the 2021+ BMW M3/M4 S58 Engines! Higher Max Horsepower Power Curve Higher Intial 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 to the exhaust system. 100% Stainless Steel Construction 100% TIG welded for better quality welds Precision CNC machined turbocharger V-Band flange Mirror polish or brush finish Available with high temperature black thermal coating to reduce underhood temperatures Compatible with the factory or aftermarket exhaust systems Track tested durability Includes all hardware for complete installation Limited Lifetime Warranty Restrictions in the exhaust system robs horsepower and torque especially on turbocharged cars. Thus, removing as much exhaust flow restrictions will increase horsepower and torque significantly. The factory catalytic convert