Evolution Racewerks Competition Series S58 Mid Pipes (F97/F98 X3M & X4M)

Ease of Installation: (1 Easy, 5 Hard) 1 Installation Guide Parts Checklist Key Features: Now available for the 2020+ BMW X3M/X4M 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 Deletes factory resonators for improved flow Mandrel Bent 2.75" (70mm) piping.  Smooth transition through the exhaust system. 100% Stainless Steel Construction 100% TIG welded for better quality welds Precision CNC machined Flanges Brushed Finish 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.  The factory resonators found in the factory midpipe is designed to muffle and quiet