Non Resonated
Non Resonated
Replaces your factory catalytic converter with high flow sport cats for increased performance while staying road legal!
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
This product was last offered at the strikethrough price on
08-25-2026
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
This product was last offered at the strikethrough price on
08-25-2026
Unleash the Full Potential of the S63 Engine
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
This product was last offered at the strikethrough price on
08-25-2026
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
This product was last offered at the strikethrough price on
08-25-2026
Want your S63 to push 1000HP! Here the perfect kit.
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
A low exhaust note with a free flow design
A more aggressive sound and increased power