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Audi Performance Parts & Upgrades

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1.8T Billet Aluminum Fuel Injector Cup - Set Of Four

ES#4920294 - 045960la02KT - 1.8T Billet Aluminum Fuel Injector Cup - Set Of Four - Upgrade to heavy-duty billet aluminum construction for maximum durability! - ECS - Audi Volkswagen

Upgrade to heavy-duty billet aluminum construction for maximum durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with Engine Codes ATC, AMU, and AWP.

Brand:
ECS - Corporate Logo
ES#:
4920294
Mfg#:
045960LA02KT
In Stock
ON SALE! SAVE 20%
$83.99

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

$67.17 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4/S4 Carbon Fiber Grille Accent Set - Pre Facelift

ES#3638709 - 027538ECS01 - Audi B8 A4/S4 Carbon Fiber Grille Accent Set - Pre Facelift - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Pre-Facelift models with S-Line(S4) front bumpers up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3638709
Mfg#:
027538ECS01
In Stock
ON SALE! SAVE 34%
$546.99

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

$362.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Street Density Motor Mount - Priced Each

ES#3183549 - 034-509-0008-SD - Density Line Street Density Motor Mount - Priced Each - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3183549
Mfg#:
034-509-0008-SD
Ships in 1-3 days
$128.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Cross Drilled UV Coated Brake Rotors - Pair (330x22)

ES#4491560 - 8k0615601cxKT - Rear Cross Drilled UV Coated Brake Rotors - Pair (330x22) - Features Brembo's special UV paint treatment that guarantees superior corrosion resistance. - Brembo - Audi

Features Brembo's special UV paint treatment that guarantees superior corrosion resistance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Brembo - Corporate Logo
ES#:
4491560
Mfg#:
8K0615601CXKT
In Stock
$422.99

This product was last offered at the strikethrough price on
01-21-2026

$289.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve

ES#2862879 - CTSDV0005 - Billet Diverter Valve - Keep your turbo boosting like it should - CTS - Audi Volkswagen

Keep your turbo boosting like it should affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
2862879
Mfg#:
CTSDV0005
Ships in 7 Business Days
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8/C7 Center Differential Delete - NO WELDING NEEDED

ES#4375353 - 012535LA01 - B8/C7 Center Differential Delete - NO WELDING NEEDED - Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
100% reversible RWD kit when paired with our Axle Delete Plugs (ES4373491) Please make sure via VIN that

Brand:
ECS - Corporate Logo
ES#:
4375353
Mfg#:
012535LA01
Ships in 9 Business Days
Auto Notify
ON SALE! SAVE 20%
$452.99

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

$362.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Intake System

ES#4835390 - 40TS2DCI - Stage 2 Intake System - Eliminating restrictions and enhancing performance. - ARM Motorsports - Audi

Eliminating restrictions and enhancing performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARM Motorsports - Corporate Logo
ES#:
4835390
Mfg#:
40TS2DCI
Ships in 2 Business Days
$867.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Single Outlet - Matte Black

ES#4445777 - 039684LA01-02 - Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Single Outlet - Matte Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4445777
Mfg#:
039684LA01-02
In Stock
ON SALE! SAVE 20%
$386.99

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

$309.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Rear Diffuser - Audi B9 A4

ES#3145741 - 019193ECS01A - Carbon Fiber Rear Diffuser - Audi B9 A4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits pre-facelift, S-line models (up to 2019), without integrated tips in the rear valance

Brand:
ECS - Corporate Logo
ES#:
3145741
Mfg#:
019193ECS01A
In Stock
ON SALE!
$774.99

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

$719.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi C7 S6/S7 Exact-Fit Stainless Steel Brake Line Set - Front And Rear

ES#4419149 - 017562la01KT - Audi C7 S6/S7 Exact-Fit Stainless Steel Brake Line Set - Front And Rear - Complete set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Complete set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4419149
Mfg#:
017562LA01KT
In Stock
ON SALE! SAVE 10%
$238.99

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

$215.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE700 EVO Turbo Upgrade - 8V RS3 & 8S TTRS 2.5T

ES#4630045 - SW10032.1 - TTE700 EVO Turbo Upgrade - 8V RS3 & 8S TTRS 2.5T - Designed to handle up to 750HP! - The Turbo Engineers - Audi

Designed to handle up to 750HP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4630045
Mfg#:
SW10032.1
Back Ordered
$4299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2561325 - 06C905115M2KT - Ignition Service Kit - Includes four OE red coil packs and four NGK platinum spark plugs - Assembled By ECS - Audi Volkswagen

Includes four OE red coil packs and four NGK platinum spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWP

Brand:
Assembled By ECS - Corporate Logo
ES#:
2561325
Mfg#:
06C905115M2KT
In Stock
ON SALE!
$186.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - With UniCONNECT+ Cable

ES#4381815 - 20FSI-UC - Unitronic Performance Software - With UniCONNECT+ Cable - Choose the stage that meets your power goals! - Unitronic - Audi Volkswagen

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only.

Brand:
Unitronic - Corporate Logo
ES#:
4381815
Mfg#:
20FSI-UC
In Stock
Starting at $714.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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