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Audi 8V S3 Quattro 2.0T Sedan

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Audi 8V S3 Quattro 2.0T Sedan Performance Engine Parts

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MQB Turbo Inlet Elbow

ES#4362339 - UH012-INA - MQB Turbo Inlet Elbow - Direct bolt-on upgrade and engineered to eliminate upstream airflow restrictions. - Unitronic - Audi Volkswagen

Direct bolt-on upgrade and engineered to eliminate upstream airflow restrictions.

Brand:
Unitronic - Corporate Logo
ES#:
4362339
Mfg#:
UH012-INA
In Stock
$175.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR 8V S3 Cat-Back Exhaust System - Valved

ES#3603435 - CBK0003 - APR 8V S3 Cat-Back Exhaust System - Valved - The APR Catback Exhaust System personalizes your vehicles looks, sound and performance - APR - Audi

The APR Catback Exhaust System personalizes your vehicle’s looks, sound and performance Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
Fits both pre and post facelift sedan models

Brand:
APR - Corporate Logo
ES#:
3603435
Mfg#:
CBK0003
Ships in 6 Business Days
11% off MSRP

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

$3262.99

This product was last offered at the strikethrough price on
07-19-2026

$2899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Garrett GTX3584RS Turbocharger

ES#3691644 - 856804-5003S - Garrett GTX3584RS Turbocharger - Garrett GTX3584RS Turbocharger; V-Band Inlet and V-Band Outlet Turbine Housing; 1.21 A/R. Garrett # 856804-5003S - Garrett - Audi Volkswagen MINI

Garrett GTX3584RS Turbocharger; V-Band Inlet and V-Band Outlet Turbine Housing; 1.21 A/R. Garrett # 856804-5003S Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
Garrett - Corporate Logo
ES#:
3691644
Mfg#:
856804-5003S
Ships in 7 Business Days
$2881.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock at Vendor
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cypher Handheld Programmer Tuner

ES#4707682 - 05-000-00073-5 - Cypher Handheld Programmer Tuner - This Device Flashes the Tune onto your vehicle thru the OBD2 Port. Includes handheld tuner, OBD2 Cable, and USB cable. Comes in a zipper carrying case. *Tune sold separately. - Weistec - Audi Volkswagen Mercedes Benz

This Device Flashes the Tune onto your vehicle thru the OBD2 Port. Includes handheld tuner, OBD2 Cable, and USB cable. Comes in a zipper carrying case. *Tune sold separately. This software is only compatible with Windows PC / Laptop. *Tune sold separately.

Brand:
Weistec - Corporate Logo
ES#:
4707682
Mfg#:
05-000-00073-5
Ships in 1 Business Day
$400.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Kit

ES#2862878 - CTSDV00023 - Diverter Valve Kit - Direct bolt on without worry of a check-engine light - CTS - Audi Volkswagen

Direct bolt on without worry of a check-engine light

Brand:
CTS - Corporate Logo
ES#:
2862878
Mfg#:
CTSDV00023
Ships in 8 Business Days
ON SALE! SAVE 20%
$249.99

This product was last offered at the strikethrough price on
07-10-2026

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8V S3 Cat-Back Exhaust System - Non-Resonated - Valved

ES#2827585 - SSXAU470 - 8V S3 Cat-Back Exhaust System - Non-Resonated - Valved - 3" stainless steel with quad 100mm black Cerakote tips - Milltek Sport - Audi

3" stainless steel with quad 100mm black Cerakote tips Valve motor from the OE exhaust is required for fitment.

Brand:
Milltek Sport - Corporate Logo
ES#:
2827585
Mfg#:
SSXAU470
Ships in 4 Business Days
$2798.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - non-Resonated - valved

ES#2827586 - SSXAU471 - Cat-Back Exhaust System - non-Resonated - valved - 3" stainless steel with quad 100mm polished tips - Milltek Sport - Audi

3" stainless steel with quad 100mm polished tips Valve motor from the OE exhaust is required for fitment.

Brand:
Milltek Sport - Corporate Logo
ES#:
2827586
Mfg#:
SSXAU471
Ships in 4 Business Days
$2798.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Full Catch Can Washer Resevoir

ES#4352747 - MS100199-A - APR Full Catch Can Washer Resevoir - Washer reservoir relocation for the MS100199 Full Catch Can kit from APR. - APR - Audi Volkswagen

Washer reservoir relocation for the MS100199 Full Catch Can kit from APR. Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4352747
Mfg#:
MS100199-A
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.

$125.95

This product was last offered at the strikethrough price on
07-19-2026

$111.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Braided SS Line Trunk Mount Upgrade (4AN SS Braided Line Systems)

ES#4691038 - SN0-40012-BRD - Snow Performance Braided SS Line Trunk Mount Upgrade (4AN SS Braided Line Systems) - All the necessities to move your tank to the trunk of any vehicle. - SnowPerformance - Audi BMW Volkswagen MINI

All the necessities to move your tank to the trunk of any vehicle.

Brand:
SnowPerformance - Corporate Logo
ES#:
4691038
Mfg#:
SN0-40012-BRD
In Stock
Limited Qty Sale
$156.99

This product was last offered at the strikethrough price on
06-11-2026

$145.99 USD
Free Shipping
on orders $49 and up

APR 8V S3 SportBack Cat-Back Exhaust System - Valved

ES#4143537 - CBK0004 - APR 8V S3 SportBack Cat-Back Exhaust System - Valved - The APR Catback Exhaust System personalizes your vehicles looks, sound and performance - APR - Audi

The APR Catback Exhaust System personalizes your vehicle’s looks, sound and performance Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
For ROW S3 SportBack models only. Will not fit S3 Sedan models.

Brand:
APR - Corporate Logo
ES#:
4143537
Mfg#:
CBK0004
Ships in 6 Business Days
11% off MSRP

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

$3112.99

This product was last offered at the strikethrough price on
07-19-2026

$2766.99 USD
Free Shipping

1.8T/2.0T Gen3 Diverter Valve Upgrade - Red

ES#4839641 - 013907la01-01KT - 1.8T/2.0T Gen3 Diverter Valve Upgrade - Red - The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. - ECS - Audi Volkswagen Porsche

The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4839641
Mfg#:
013907LA01-01KT
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$333.99

This product was last offered at the strikethrough price on
06-13-2026

$250.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MQB BOSS 750 Kit

ES#4508669 - CTS-TR-1010-76 - MQB BOSS 750 Kit - Capable up to 750hp! - CTS - Audi Volkswagen

Capable up to 750hp!

Brand:
CTS - Corporate Logo
ES#:
4508669
Mfg#:
CTS-TR-1010-76
Ships in 8 Business Days
ON SALE! SAVE 10%
$2999.99

This product was last offered at the strikethrough price on
07-10-2026

$2699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Charge Pipe Coupler Kit - Includes All 4 Intercooler Pipe Couplers - Black

ES#3071772 - 010137ECS01-01KT - High Flow Charge Pipe Coupler Kit - Includes All 4 Intercooler Pipe Couplers - Black - Improve your charge airflow path with our Silicone Intercooler Pipe Couplers - ECS - Audi Volkswagen

Improve your charge airflow path with our Silicone Intercooler Pipe Couplers 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3071772
Mfg#:
010137ECS01-01KT
Ships on Sep 14, 2026
ON SALE! SAVE 20%
$236.99

This product was last offered at the strikethrough price on
06-13-2026

$189.59 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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