This valved secondary cat back exhaust bolts directly onto the BMW M4 F82 Coupe. No fabrication, no guesswork - just a full 3" T304 stainless system with H-pipe gas flow balancing and factory drive mode valve control.
Valves open in Sport+ for aggressive tone; close in Comfort for daily drivability
Includes all gaskets, fittings and quad 3.5" polished stainless tailpipes
Compatible with OEM exhaust and Cobra Sport secondary de-cat pipes
