Free up your restrictive OPF/GPF system
For Vehicles With OPF (2020+)
BMW F92 M8 Competition S63 4.4L Performance Exhaust Parts & Upgrades
Titanium construction for maximum sound, weight reduction, and performance!
This product was last offered at the strikethrough price on
04-14-2026
Titanium construction for maximum sound, weight reduction, and performance!
This product was last offered at the strikethrough price on
04-14-2026
Manually and automatically adjust the exhaust sound level
This product was last offered at the strikethrough price on
06-30-2026
Control your Varex valve with the press of a button
This product was last offered at the strikethrough price on
06-30-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
3.0" Inlet - 3.5" Outlet - Forged Carbon Sleeve
This product was last offered at the strikethrough price on
05-19-2026
An entire system from the downpipes back for a full sound overhaul!
For Vehicles With OPF (2020+)
2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet
10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
06-13-2026
Titanium construction for maximum sound, weight reduction, and performance!
This product was last offered at the strikethrough price on
04-14-2026