The S58 Deserves Better Than Stock.
Straight-piped or catted. Valved or race. Built for the S58 twin-turbo platform.
No Resonators. No Filter.
G82 M4 Competition running our catless downpipes, valved catback + equal length resonated y-pipe. Straight through, no drone tuning, no compromise. Turn it up.
This Build
The Full Lineup.

Velocity Exhausts BMW G80 M3 / G82 M4 / G87 M2 S58 Downpipes

Velocity Exhausts BMW S58 Titanium Catless Downpipes w/ Upgraded Heat Shield

Velocity Exhausts BMW G80 M3 / G82 M4 Equal Length Resonated Mid Pipe

Velocity Exhausts BMW G80 M3 / G82 M4 3'5 inch Mid Pipe

Custom Forged Carbon Fiber Exhaust Tip (1PC)
T304 or Titanium?
Both are the same system. Different material. Here's what changes.