Description:

The BMW G8X M2, M3 and M4 represent the next evolution of M performance, powered by the highly capable S58 twin-turbo inline-6. While factory catalysts prioritize restriction and sound suppression, Valvetronic’s NEW EPA-compliant 400 cell high-flow catted downpipes are engineered to reduce exhaust backpressure, enhance turbo efficiency, and unlock a sharper, more aggressive exhaust character — all while maintaining emissions compliance standards. This upgrade maximizes the performance potential of the S58 platform without compromising drivability.

Features:

Material: Brushed T304 Stainless Steel
System Type: 400 cell catted downpipes
Included: Pair of 400 cell EPA compliant catted downpipes, and all necessary clamps and hardware
Product Weight: 21.5 lbs
Manufacturer Part Number: BMW.G8X.M2.M3.M4.FF.400C.BR
Warranty: Lifetime of Ownership limited warranty on 304 stainless steel and titanium tubes and welds; catalysts warranted to meet EPA emission testing and OBDII compatibility criteria for 25,000 miles from installation

Valvetronic Warranty & Returns Policy

SKU’S:
BMW.G8X.400C.BR