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Audi D4 S8 Quattro 4.0T Performance Engine Parts

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ES#2827581 - SSXAU466 - Cat-Back Exhaust System - Resonated - Valved - 2.76" stainless steel with quad 100mm Titanium tips - Milltek Sport - Audi

2.76" stainless steel with quad 100mm Titanium tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827581
Mfg#:
SSXAU466
Ships in 4 Business Days
$5577.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827582 - SSXAU467 - Cat-Back Exhaust System - Non-Resonated - Valved - 2.76" stainless steel with quad 100mm Titanium tips - Milltek Sport - Audi

2.76" stainless steel with quad 100mm Titanium tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827582
Mfg#:
SSXAU467
Ships in 4 Business Days
$5214.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Get up to +68 hp and +66 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For non-Plus models only.

Brand:
Race Chip - Corporate Logo
ES#:
4339430
Mfg#:
917792
Ships in 4 Business Days
$549.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +87 hp and +83 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Plus models only.

Brand:
Race Chip - Corporate Logo
ES#:
4338983
Mfg#:
901842
Ships in 4 Business Days
$549.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +68 hp and +66 through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For non-Plus models only.

Brand:
Race Chip - Corporate Logo
ES#:
4339429
Mfg#:
917791
Ships in 4 Business Days
$499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339432 - 917796 - RaceChip GTS Black With App Control - Get up to +81 hp and +79 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi

Get up to +81 hp and +79 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For non-Plus models only.

Brand:
Race Chip - Corporate Logo
ES#:
4339432
Mfg#:
917796
Ships in 4 Business Days
$849.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339431 - 917795 - RaceChip GTS Black - Get up to +81 hp and +79 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +81 hp and +79 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For non-Performance models only.

Brand:
Race Chip - Corporate Logo
ES#:
4339431
Mfg#:
917795
Ships in 4 Business Days
$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Get up to +87 hp and +83 through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Plus models only.

Brand:
Race Chip - Corporate Logo
ES#:
4338982
Mfg#:
901841
Ships in 4 Business Days
$499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5477617 - TGK-0302-01 - TGK 4.0T Bov Conversion Kit - By switching from electronic diverter valves to a mechanical blow-off valve (BOV), you can eliminate the common issues associated with electronic valves. - TGK Motorsport - Audi

By switching from electronic diverter valves to a mechanical blow-off valve (BOV), you can eliminate the common issues associated with electronic valves. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477617
Mfg#:
TGK-0302-01
Ships in 6 Business Days
$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 2 Business Days
$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 2 Business Days
$399.99 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 2 Business Days
$499.99 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 2 Business Days
$399.99 USD
Free Shipping

Upgrade your performance with a Kevlar Braided Fuel Line Kit, engineered for efficiency and longevity. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
4759164
Mfg#:
JHM-D440TFLRRK
Ships on Jul 1, 2026
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engages water-methanol system at 35PSI Adjustable from 25-50psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
Ships in 4 Business Days
$74.99 USD
Free Shipping
on orders $49 and up

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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