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Choose your own configuration along with your choice of exhaust tips and more!
10X Entries For Our 25th Anniversary Sweepstakes!
For Sedan models only.
2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips
Lifetime Replacement
complete drop-in upgrade will bolt up to stock/Stock Fit Turbo
Lifetime Replacement
Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar!
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
For Manual Transmissions - Comes with cats and 2.5" cat back
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
For Automatic Transmissions - Comes with cats and 2.5" cat back
Stainless steel resonated cat-back exhaust system with dual round, polished tips
This product was last offered at the strikethrough price on
05-02-2026
Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs
This product was last offered at the strikethrough price on
07-10-2026
Lifetime Replacement
Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar!
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
2.5" stainless steel with dual 100mm polished tips
Fits 5 speed manual only
Lifetime Replacement
2.5" stainless steel with dual 100mm polished tips
Fits 6 speed manual only
Lifetime Replacement
2.5" stainless steel and 90mm tips
Lifetime Replacement
2.5" stainless steel with dual 90mm polished tips
Fits 5 speed manual only
Lifetime Replacement
High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust
Fits quattro 5-speed transmission models only - To be used with 2.5" aftermarket exhaust system
Lifetime Replacement
2.25" stainless steel with your choice of tip style
