Audi B9 S4 Quattro 3.0T
2.50" stainless steel with your choice of tip style
2.50" stainless steel with your choice of tip style
2.50" stainless steel with quad GT-100 Cerakote black tips
Fits models without factory rear sports differential
For vehicles without a sport differential
This product was last offered at the strikethrough price on
08-17-2026
Lifetime Replacement
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
2.50" stainless steel with quad GT-100 cerakote black tips
Fits models with factory rear sports differential
This product was last offered at the strikethrough price on
08-17-2026
Lifetime Replacement
Featuring Milltek Sport Hi-Flow sports cat, fits with OE and Milltek cat-back systems.
This product was last offered at the strikethrough price on
08-17-2026
Lifetime Replacement
Improve the sound and performance of your vehicle with a valved catback & Luft-Technik Intake System
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Lifetime Replacement
Ceramic Coated Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound!
T304 Stainless Steel high flow front pipe kit replaces factory secondary catalytic converters
Increased Power and Torque, Massive 6.5" Design, Faster Turbo Spool, and Improved Exhaust Note
Lifetime Replacement
Designed to handle continuous temperatures up to 1,800°F
Lifetime Replacement
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
Increase power by containing exhaust heat - Lava
Gain complete control of the OE exhaust valves on factory and Milltek Sport exhaust systems
Lifetime Replacement
Get all the benefits of using this resonator delete without the high price tag.
This product was last offered at the strikethrough price on
09-29-2026
Lifetime Replacement
Designed to handle continuous temperatures up to 1,800°F
Lifetime Replacement
