Stainless steel non-resonated cat-back system with dual mufflers
Stainless steel non-resonated cat-back system with dual mufflers
Stainless steel dual resonator cat-back system without mufflers
Complete stainless steel system with dual 90mm round tips
Stainless steel dual resonator cat-back system with dual mufflers
Complete stainless steel system with dual 90mm round tips
Stainless steel single resonator cat-back system with dual mufflers
Stainless steel single resonator cat-back system without mufflers
Stainless steel non-resonated cat-back system without mufflers
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
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
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
Direct replacement for your rattling actuator.
This product was last offered at the strikethrough price on
08-25-2026
This high-performance engine kit combines an upgraded dual-spring valvetrain, Inconel and nitrided valves, a top-end gasket set, and premium tri-metal race main bearings.
10X Entries Into Our F80 M3 Sweepstakes
Upgrade your longitudinal 1.8T with this complete K04 turbocharger and Ajusa sealing hardware bundle.