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Audi S4 Performance Parts & Upgrades

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Designed for drag or drift cars that see limited street use. Conservatively rated at 470ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106518
Mfg#:
K70398FDXDBKT
Ships in 2 Business Days
$1822.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Designed for dedicated drag or drift cars. Conservatively rated at 500ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106521
Mfg#:
K70398FSSDXDBKT
Ships in 2 Business Days
$2343.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless steel non-resonated cat-back exhaust system with quad round, polished tips - Includes downpipes with high flow secondary cats affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
4017779
Mfg#:
777532KT
Ships on Sep 10, 2026
$11742.00 USD
Free Shipping

Average gain of 100 horsepower and 73 lb-ft of torque on 91 Octane and Supercharger pulley upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Compatible for vehicles up to 2012 model year only - Vehicle must be brought to ECS Tuning for programming *SIMOS 8.3 ECU is not yet supported*

Brand:
Tunezilla - Corporate Logo
ES#:
3097359
Mfg#:
TFSI-30-SC-2
Ships in 7 Business Days
$950.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Put all your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wavetrac - Corporate Logo
ES#:
3006274
Mfg#:
18309160WK
Ships in 2 Business Days
$1515.99 USD
Free Shipping
on orders $49 and up

From low-dust daily driving to full race endurance, iSWEEP brake pads deliver precision-tuned compounds that give you the exact bite, control, and fade resistance your driving demands. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iSWEEP - Corporate Logo
ES#:
5433712
Mfg#:
IS.XXX.1555
Ships in 2 Business Days
Starting at $150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4753402 - N91222501KT - Lowering Spring Install Kit - All the required hardware to install your lowering springs - Genuine Volkswagen Audi - Audi

All the required hardware to install your lowering springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 02/24/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4753402
Mfg#:
N91222501KT
Ships in 1-2 days
$209.99

This product was last offered at the strikethrough price on
05-04-2026

$205.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4753415 - N906484022KT - Lowering Spring Install Kit - All the required hardware to install your lowering springs - Genuine Volkswagen Audi - Audi

All the required hardware to install your lowering springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 02/24/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4753415
Mfg#:
N906484022KT
Ships in 1-2 days
$151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4753422 - N912225012KT - Lowering Spring Install Kit - All the required hardware to install your lowering springs - Genuine Volkswagen Audi - Audi

All the required hardware to install your lowering springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 02/24/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4753422
Mfg#:
N912225012KT
Ships in 1-2 days
$204.99

This product was last offered at the strikethrough price on
05-04-2026

$201.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your exterior lights shining bright affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For pre-facelift models only. Fits through the 2019 model year.

Brand:
Assembled By ECS - Corporate Logo
ES#:
4782878
Mfg#:
8W0941773BAKT
Ships in 1-2 days
$5075.00

This product was last offered at the strikethrough price on
05-07-2026

$4930.00 USD
Free Shipping
on orders $49 and up

Keep your exterior lights shining bright affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For pre-facelift models only. Fits through the 2019 model year.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4782860
Mfg#:
8W0941773BKT
Ships in 1-2 days
$7262.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your exterior lights shining bright affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Facelift models only. Fits from the 2020 model year.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4782865
Mfg#:
8W0941033FKT
Ships in 1-2 days
$7029.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Experience an impressive 48% increase in flow with our ceramic-coated, tubular stainless steel headers! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5425124
Mfg#:
053829LA01-02
Ships in 1-2 days
$1019.99 USD
Free Shipping
on orders $49 and up
ES#2952355 - 014366ECS04KT - Front Big Brake Kit - Stage 2 - No Rotors - Upgrade your brake system to the 4-piston Brembo Q5 calipers - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Q5 calipers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2952355
Mfg#:
014366ECS04KT
Ships in 4 Business Days
$1534.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Mufflered midpipe that connects the downpipe to the rear mufflers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3250337
Mfg#:
8W0253409G
Ships in 4 Business Days
5% off MSRP

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

$1172.99

This product was last offered at the strikethrough price on
06-08-2026

$1112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1892340 - 8K0998032 - Rocker Panel Side Blade Set - Primed - Includes the left and right side blade with securing clips - Genuine Volkswagen Audi - Audi

Includes the left and right side blade with securing clips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1892340
Mfg#:
8K0998032
Ships in 7 Business Days
$761.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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