Audi B9 S4 Quattro 3.0T
2.50" stainless steel with your choice of tip style
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
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
Check-Engine Light free! An emissions-friendly approach to exhaust upgrades!
This product was last offered at the strikethrough price on
09-02-2026
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!
This product was last offered at the strikethrough price on
05-05-2026
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
2.50" stainless steel with quad GT-100 Cerakote black tips
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!
This product was last offered at the strikethrough price on
05-02-2026
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
Get all the benefits of using this resonator delete without the high price tag.
This product was last offered at the strikethrough price on
08-26-2026
Lifetime Replacement
Increase power by containing exhaust heat - Lava
Gain complete control of the OE exhaust valves on factory and Milltek Sport exhaust systems
This product was last offered at the strikethrough price on
08-29-2026
Lifetime Replacement
Designed to handle continuous temperatures up to 1,800°F
Lifetime Replacement
