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An entire system from the cat back for a full sound overhaul!
For Coupe Models Only
Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar!
10X Entries Into Our F80 M3 Sweepstakes
Lifetime Replacement
Comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel and available as valved SwitchPath™ or more unleashed Track Edition
2X Entries Into Our F80 M3 Sweepstakes
3" stainless steel system, with 100 Cell Hi-Flow cat, and retains stock exhaust tips
Lifetime Replacement
Upgrade your exhaust manifold on your K03 or K04 equipped 1.8T!
This product was last offered at the strikethrough price on
08-31-2026
Lifetime Replacement
Increase HP and Air flow!
This product was last offered at the strikethrough price on
08-31-2026
Lifetime Replacement
Gains up to +11 horsepower with an additional +19 ft lbs of torque with a legendary exhaust note!
Will require use of the TTS Quad Exit rear diffuser
2.25" stainless steel with dual 3.5" polished stainless tips
Lifetime Replacement
80mm (3.15") stainless steel with dual Cerakote Black oval tips - Retains valves from OE system
2.75" stainless steel and retains stock exhaust tips
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
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
2.37" stainless steel and retains OE exhaust tips
Lifetime Replacement
2.37" stainless steel with quad 100mm black Cerakote tips
Lifetime Replacement
2.37" stainless steel with quad 100mm polished tips
Lifetime Replacement
Unleashes a throaty growl and exotic tone that exudes the sound of
performance
2X Entries Into Our F80 M3 Sweepstakes
Lifetime Replacement
