In-house engineered for VW MK4 enthusiasts! Featuring T304 SS Tig-welded 2.5" tubing, a center resonator and a straight-through perforated core muffler
10X Entries Into Our F80 M3 Sweepstakes
In-house engineered for VW MK4 enthusiasts! Featuring T304 SS Tig-welded 2.5" tubing, a center resonator and a straight-through perforated core muffler
10X Entries Into Our F80 M3 Sweepstakes
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" stainless steel with turn-down exit
For vehicles featuring a "non-cutout" rear valance
Fully polished 2.25" system
For vehicles featuring a non-cutout rear valance
Get that Exhaust tone you've been looking for!
For vehicles featuring a "dual tip cut out" rear valance
This product was last offered at the strikethrough price on
08-29-2026
Designed to handle continuous temperatures up to 1,800°F
2.5" stainless steel with turn-down exit
For vehicles featuring a "non-cutout" rear valance
2.25" stainless steel with dual 3" polished stainless tips
For vehicles featuring a "dual tip cut out" rear valance
Increase power by containing exhaust heat - Lava
Get that Exhaust tone you've been looking for!
For vehicles featuring a "non-cutout" rear valance. Visible exhaust tip.
Designed to handle continuous temperatures up to 1,800°F
Get that Exhaust tone you've been looking for!
For vehicles featuring a "dual tip cut out" rear valance
This product was last offered at the strikethrough price on
08-29-2026
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
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
Get that Exhaust tone you've been looking for!
For vehicles featuring a "cut out" rear valance