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
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
2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet
10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
05-02-2026
Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs
2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet
10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
06-13-2026
Stock fit high flow manifold
2X Entries Into Our F80 M3 Sweepstakes
Carbon Fiber exhaust tips featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet
10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
06-13-2026
Carbon Fiber exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
05-02-2026
2.5" Inlet - 3.5" Outlets - 1x1 Carbon Fiber Sleeves
2.5" stainless steel with dual 100mm polished tips
Fits 5 speed manual only
2.5" stainless steel with dual 100mm polished tips
Fits 6 speed manual only
2.5" stainless steel and 90mm tips
For 6 speed manual transmission Avant models only,
2.5" stainless steel with dual 90mm polished tips
Fits 5 speed manual only
2" stainless steel with dual 3.19" polished stainless tips
2.25" stainless steel with dual 4" polished stainless tips
Fits both manual & automatic transmission vehicles
2.5" stainless steel with dual 100mm polished tips
Fits 5 speed manual only
2.5" stainless steel with dual 100mm polished tips
Fits 6 speed manual only