Upgrade your M3/M4's exhaust to make the S58's naturally aggresive tone shine!
Upgrade your M3/M4's exhaust to make the S58's naturally aggresive tone shine!
T304 Stainless Steel with valved mufflers and quad tips
Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Vacuum-Operated Valves
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
Upgrade your M3/M4's exhaust to make the S58's naturally aggresive tone shine!
Unleash the Full Potential of the S63 Engine
Titanium construction for maximum sound, weight reduction, and performance!
This product was last offered at the strikethrough price on
04-14-2026
Unleash the aggresive sound of your S63 or S68 V8 - 9.8 lbs lighter than stock
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 the exhaust sound of your BMW - T304 Stainless Steel with Vacuum-Operated Valves
Upgrade your M3/M4's exhaust to make the S58's naturally aggresive tone shine!
Upgrade your M3/M4's exhaust to make the S58's naturally aggresive tone shine!
Unleash the aggresive sound of your S63 or S68 V8 - 39.4 lbs lighter than stock
Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Vacuum-Operated Valves
Unleash the aggresive sound of your S63 or S68 V8 - 9.8 lbs lighter than stock