MagnaFlow BMW M3/M4 SS Cat-Back Touring Exhaust - 3" Black Tips Carbon Fiber two different Cup Kit product

two different Cup Kit product lines

Thanks to the proven Flow-Forming technology and back-milled spokes

Hardware: Chrome nuts & bolts

The factory spring perches are removed from the front dampers

MagnaFlow BMW M3/M4 SS Cat-Back Touring Exhaust - 3" Black Tips Carbon Fiber two different Cup Kit productFITMENT 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