MagnaFlow BMW M3/M4 SS Cat-Back Touring Exhaust - 3" Black Tips Carbon Fiber Bilstein continues to make ground-breaking

Bilstein continues to make ground-breaking innovations in the field of automotive suspensions

Manual 9 or 10-stage compression/rebound damping rate adjustment

Up to 46% increase in Flow - 549 CFM at 1

This filter features Pro 5R oiled 5-layer progressively finer mesh cotton gauze media for maximum performance

MagnaFlow BMW M3/M4 SS Cat-Back Touring Exhaust - 3" Black Tips Carbon Fiber Bilstein continues to make ground-breakingFITMENT NOTES QUAD SPLIT REAR EXIT Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow Touring Series Performance Exhaust systems deliver the smooth deep sound you want and the wide open performance power you need. Our exhaust systems feature straight through flow designs for the ultimate in unrestricted horsepower and torque for big power while maintaining exhaust efficiency and the added