THE BEST SOUND FOR YOUR MONEY. Add an aggressive exhaust note to your 128's exhaust system.
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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
Enables the control of two electronic exhaust valves
Please visually confirm the exhaust valve actuator installed on your vehicle prior to purchase or installation - Only compatible with systems requiring two electric valve actuators
Let them hear you coming with a quality performance exhaust setup. All the best exhaust brands including our in-house developed line of stainless steel exhaust upgrades are here in our expansive catalog of performance options.
