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 system will increase power, reduce weight, and provide a legendary exhaust note!
Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
This system will increase power, reduce weight, and provide a legendary exhaust note!
Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
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.
