100% handcrafted in Italy. Stainless steel construction. Legendary sound!
100% handcrafted in Italy. Stainless steel construction. Legendary sound!
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
Elevate the performance and acoustic profile of your BMW G8X with Valvetronic Designs' EPA-compliant 400-cell catted downpipes.
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 M3/M4's exhaust to make the S58's naturally aggresive tone shine!
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
Provides extra clearance, allowing for the installation of larger exhaust systems
3.0" Inlet - 3.5" Outlet - Single Wall Burnt Steel
2.5" Inlet - 4.0" Outlet - Raw Burnt Titanium
2.5" Inlet - 3.5" Outlet - Single Wall Burnt Steel
Upgrade your M3/M4's exhaust to make the S58's naturally aggresive tone shine!
Upgrade Your E46 M3 With This Valvetronic Exhaust!
This product was last offered at the strikethrough price on
02-19-2026
Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Vacuum-Operated Valves
Enables the control of a single electronic exhaust valve
Please visually confirm the exhaust valve actuator installed on your vehicle prior to purchase or installation - Only compatible with systems requiring a single electric valve actuator
3.0" Inlet - 3.5" Outlet - Single Wall Black
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