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Audi S4 Performance Exhaust Parts & Upgrades

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ES#2827497 - SSXAU380 - Cat-Back Exhaust System - Valvesonic - 2.37" stainless steel with dual oval tips - Milltek Sport - Audi

2.37" stainless steel with dual oval tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827497
Mfg#:
SSXAU380
Ships in 3 Business Days
$5143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2973070 - MSAUVS02KT - ValveSonic Upgrade Kit - Upgrade your Milltek system to Valve Sonic - Milltek Sport - Audi

Upgrade your Milltek system to Valve Sonic affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2973070
Mfg#:
MSAUVS02KT
Ships in 3 Business Days
$2102.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3644165 - 777532 - Performance Downpipe Kit - Resonated  - T304 Stainless Steel front pipe kit includes high flow secondary catalytic converters - Supersprint - Audi

T304 Stainless Steel front pipe kit includes high flow secondary catalytic converters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3644165
Mfg#:
777532
Ships in 3 Business Days
$5480.99 USD
Free Shipping
ES#3644162 - 777521 -   Performance High Flow Catalytic Converter  - 304 Stainless high-flow front metallic catalytic converter/downpipe - 100% handcrafted in Italy! - Supersprint - Audi

304 Stainless high-flow front metallic catalytic converter/downpipe - 100% handcrafted in Italy! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3644162
Mfg#:
777521
Ships in 3 Business Days
$4867.99 USD
Free Shipping
ES#3438681 - 767702KT - Supersprint High-Flow Catalytic Converter Kit - Includes left and right side metallic high-flow sport cats and connecting pipes - Supersprint - Audi

Includes left and right side metallic high-flow sport cats and connecting pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3438681
Mfg#:
767702KT
Ships on Sep 9, 2026
$5914.99 USD
Free Shipping
ES#5457434 - UVM76MMTSTYLEX1 - Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler - 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 - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457434
Mfg#:
UVM76MMTSTYLEX1
Ships in 1 Business Day
$499.99 USD
Free Shipping
ES#5457432 - UVM76MMDUALOUTx1 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler - 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 - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457432
Mfg#:
UVM76MMDUALOUTX1
Ships in 1 Business Day
$399.99 USD
Free Shipping
ES#5457431 - UVM.63MM.X2 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers - 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 - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457431
Mfg#:
UVM.63MM.X2
Ships in 1 Business Day
$599.99 USD
Free Shipping
ES#5457398 - VTDTIPSW2540TIBR - Universal Single Exhaust Tip - 4.0" - Raw Burnt Titanium - 2.5" Inlet - 4.0" Outlet - Raw Burnt Titanium - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.5" Inlet - 4.0" Outlet - Raw Burnt Titanium affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457398
Mfg#:
VTDTIPSW2540TIBR
Ships in 1 Business Day
$149.99 USD
Free Shipping
ES#5457404 - VTDTIPSW3035BRT - Universal Single Exhaust Tip - 3.5" - Single Wall Burnt - 3.0" Inlet - 3.5" Outlet - Single Wall Burnt Steel - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

3.0" Inlet - 3.5" Outlet - Single Wall Burnt Steel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457404
Mfg#:
VTDTIPSW3035BRT
Ships in 1 Business Day
$79.99 USD
Free Shipping
ES#5457390 - VTDTIPSW2535BRT - Universal Single Exhaust Tip - 3.5" - Single Wall Burnt - 2.5" Inlet - 3.5" Outlet - Single Wall Burnt Steel - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.5" Inlet - 3.5" Outlet - Single Wall Burnt Steel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457390
Mfg#:
VTDTIPSW2535BRT
Ships in 1 Business Day
$79.99 USD
Free Shipping
ES#5457426 - UVM63MMTSTYLEX1 - Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler - 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 - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457426
Mfg#:
UVM63MMTSTYLEX1
Ships in 1 Business Day
$499.99 USD
Free Shipping
ES#5457403 - VTDTIPSW3035BLK - Universal Single Exhaust Tip - 3.5" - Single Wall Black - 3.0" Inlet - 3.5" Outlet - Single Wall Black - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

3.0" Inlet - 3.5" Outlet - Single Wall Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457403
Mfg#:
VTDTIPSW3035BLK
Ships in 1 Business Day
$79.99 USD
Free Shipping
ES#5457437 - UVM.89MM.X1 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.5" (89mm) - 1 Muffler - 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 - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457437
Mfg#:
UVM.89MM.X1
Ships in 1 Business Day
$399.99 USD
Free Shipping
ES#5457369 - VTDTIPSLVE3035RC - Universal Single Exhaust Tip - 3.5" - 1x1 Carbon Fiber - 3.0" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

3.0" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457369
Mfg#:
VTDTIPSLVE3035RC
Ships in 1 Business Day
$89.99 USD
Free Shipping

More About Performance Exhaust Parts & Upgrades

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