Fabspeed BMW M3/M4 (G80/G82) Supersport X-Pipe Valvetronic Exhaust System (2021+) Race Technologies NSX Twin Turbo HJS high-flow

NSX Twin Turbo HJS high-flow Catalytic Converters come with all hardware and gaskets ready to install with OEM heat shields

SOUND: Give your Scuderia the most aggressive race car exhaust note possible

Hawk HB651Z

The OEM mild steel brackets commonly crack along the welds at the reinforcing gussets

the radiators are completely exposed and become magnets for road debris

Fabspeed BMW M3/M4 (G80/G82) Supersport X-Pipe Valvetronic Exhaust System (2021+) Race Technologies NSX Twin Turbo HJS high-flowGet that aggressive and sharp BMW sound without any check engine lights or in cabin drone. The Supersport X Pipe Valvetronic exhaust slip on system includes Fabspeed's high performance Valvetronic axle back section and the "Double X" maxflo mid pipe for the perfect combination of sound, power, and weight reduction. SOUND: This system transforms the M3 M4 into a proper sounding sports car. Youll actually hear a lot more turbo spool when letting off the