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Audi C7 S6 Quattro 4.0T Performance Engine Parts

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ES#2992809 - SSXAU554 - 3" Hi-Flow Downpipes - Featuring Milltek Sport 100-cell Hi-Flow Sports Cats - Milltek Sport - Audi

Featuring Milltek Sport 100-cell Hi-Flow Sports Cats affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Must be fitted with Milltek Sport Cat-Back System - Requires stage 2 ECU remap and oxygen sensor extension leads

Brand:
Milltek Sport - Corporate Logo
ES#:
2992809
Mfg#:
SSXAU554
Ships in 3 Business Days
$5061.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4431148 - SN0-211-BRD - Boost Cooler Stage 2.5 Progressive Water-Methanol Injection Kit - Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4431148
Mfg#:
SN0-211-BRD
In Stock at Vendor
$909.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2918376 - 003779ECS06KT - ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit - Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can - ECS - Audi BMW Volkswagen MINI

Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2918376
Mfg#:
003779ECS06KT
In Stock
ON SALE! SAVE 25%
$93.99

This product was last offered at the strikethrough price on
05-02-2026

$70.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2827564 - SSXAU447 - Cat-Back Exhaust System - Resonated Valvesonic - 2.76" stainless steel with Quad 100mm black Cerakote tips - Milltek Sport - Audi

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

Brand:
Milltek Sport - Corporate Logo
ES#:
2827564
Mfg#:
SSXAU447
Ships in 3 Business Days
$4276.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4643523 - ts-0553-1002 - Turbosmart WG45 Gen V Hyper-Gate 45 - More features, options and performance than any other gate. - TurboSmart - Audi BMW Volkswagen

More features, options and performance than any other gate. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4643523
Mfg#:
TS-0553-1002
In Stock
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$518.99

This product was last offered at the strikethrough price on
06-04-2026

$467.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4461015 - 012054LA26-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - Audi

High flow filter replacement to get your engine breathing better than new! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4461015
Mfg#:
012054LA26-DRY
In Stock
ON SALE! SAVE 30%
$91.99

This product was last offered at the strikethrough price on
05-02-2026

$64.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4907831 - C7-D4-4.0T-TUNE - Jackal Motorsports Tune - Includes Jackal Tuning Cable & TCU Tune - Gains up to 55 WHP/122 WTQ over stock, improved launches, and lightning fast shifts thanks to the included DSG tune! - Jackal Motorsports - Audi

Gains up to 55 WHP/122 WTQ over stock, improved launches, and lightning fast shifts thanks to the included DSG tune! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907831
Mfg#:
C7-D4-4.0T-TUNE
Ships in 1 Business Day
$810.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4046103 - PMPHX30T40T - Heat Exchanger Kit - Bolt-On - Performance Multi-Pass - Silver - Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting. - JH Motorsports  - Audi

Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
4046103
Mfg#:
PMPHX30T40T
Ships in 7 Business Days
$669.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2827565 - SSXAU448 - Cat-Back Exhaust System - Non-Resonated Valvesonic - 2.76" stainless steel with Quad 100mm black Cerakote tips - Milltek Sport - Audi

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

Brand:
Milltek Sport - Corporate Logo
ES#:
2827565
Mfg#:
SSXAU448
Ships in 3 Business Days
$4009.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3514264 - 769630 - Sport & Sound Cat-Back Exhaust System - Non-Resonated  - Stainless steel non-resonated 'H-Pipe' cat-back exhaust system with quad round, black tips - Supersprint - Audi

Stainless steel non-resonated 'H-Pipe' cat-back exhaust system with quad round, black tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Deletes factory exhaust valves - Does not come with valve delete kit

Brand:
Supersprint - Corporate Logo
ES#:
3514264
Mfg#:
769630
Ships in 3 Business Days
$3943.99 USD
Free Shipping
ES#514125 - 0580254044 - Bosch 044 High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Bosch - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
514125
Mfg#:
0580254044
In Stock
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4350144 - 20010-BRD - Boost Cooler Stage 2 Progressive Water/Methanol Injection Kit - Engine mounted, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Engine mounted, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4350144
Mfg#:
20010-BRD
In Stock at Vendor
$625.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4147674 - SN0-40060 - High Flow Water-Methanol Solenoid Upgrade - Quick-Connect Fittings - Robust protection for your WMI installation to ensure peace of mind - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Robust protection for your WMI installation to ensure peace of mind affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147674
Mfg#:
SN0-40060
In Stock
$73.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4147113 - JHM-079145834D - JHM Silicone Turbo Outlet/Throttle Body Inlet Hoses - Replace your heat-cycled and brittle OEM hoses with JHM - Significantly more cost-effective over OEM, and also more durable! - JH Motorsports  - Audi

Replace your heat-cycled and brittle OEM hoses with JHM - Significantly more cost-effective over OEM, and also more durable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
4147113
Mfg#:
JHM-079145834D
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4690063 - MS100258 - APR Valve Spring Kit - Priced Per Spring - Lighter, stiffer, and supports higher revving! - APR - Audi Volkswagen

Lighter, stiffer, and supports higher revving! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4690063
Mfg#:
MS100258
In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$69.99

This product was last offered at the strikethrough price on
06-04-2026

$61.99 USD
Free Shipping
ES#4307641 - 30-3313 - AEM V3 Water/Methanol Injector Kit (Qty 2)  - Swappable swirl generators for 250/500/1000cc configurations! - AEM Electronics  - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Swappable swirl generators for 250/500/1000cc configurations! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics  - Corporate Logo
ES#:
4307641
Mfg#:
30-3313
In Stock
$110.99

This product was last offered at the strikethrough price on
03-31-2026

$108.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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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