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Audi S4 Performance Exterior Parts & Upgrades

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ES#3610310 - 023781ecs02KT - Audi B9 S4 Tunnel Street Shield Aluminum Skid Plate - Protect your vehicle's tunnel and improve aerodynamics - ECS - Audi

Protect your vehicle's tunnel and improve aerodynamics affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3610310
Mfg#:
023781ECS02KT
In Stock
ON SALE! SAVE 10%
$347.99

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

$313.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3660940 - CARB-A590NRG - Carbon Fiber Spoiler  - Universal 59" wing with arrow cut-out stands and large NRG logo end plates - NRG - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Universal 59" wing with arrow cut-out stands and large NRG logo end plates affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NRG - Corporate Logo
ES#:
3660940
Mfg#:
CARB-A590NRG
Back Ordered
$684.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3478679 - NS4 - 4cm New School Universal Fender Flares - Pair - ABS plastic universal fender flares that add 4cm of width per side - Clinched - Audi BMW Volkswagen Mercedes Benz MINI Porsche

ABS plastic universal fender flares that add 4cm of width per side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes required installation hardware and length of gasket

Brand:
Clinched - Corporate Logo
ES#:
3478679
Mfg#:
NS4
Special Order: No Guaranteed ETA
$210.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3191298 - 022696ECS01 - Carbon Fiber Antenna Cover - Add a unique, lightweight look to your ride - ECS - Audi

Add a unique, lightweight look to your ride affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3191298
Mfg#:
022696ECS01
In Stock
ON SALE! SAVE 22%
$91.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5446812 - 013868ECS0102CKT - Audi B8.5 S4 Facelift Forged Carbon Front Lip & Rear Diffuser - Hand-laid chopped carbon fiber to upgrade your exterior styling! - Enthusiast Bundles - Audi

Hand-laid chopped carbon fiber to upgrade your exterior styling! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Save an additional $100 when you bundle our Forged Carbon Front Lip AND Rear Diffuser!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
5446812
Mfg#:
013868ECS0102CKT
In Stock
ON SALE! SAVE 54%
$1938.44

This product was last offered at the strikethrough price on
05-06-2026

$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3218893 - 022693ECS01 - Carbon Fiber Front Lip Overlay - Audi B8 A4 S-Line / S4 - Add a subtle touch of carbon fiber to your front bumper - ECS - Audi

Add a subtle touch of carbon fiber to your front bumper affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Up to the 2012 model year (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
3218893
Mfg#:
022693ECS01
In Stock
ON SALE! SAVE 47%
$225.99

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

$120.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3195650 - 019386ECS01 - Billet Hood Latch Release Handle  - Billet aluminum hood release handle replacement for the plastic OEM hood pull - ECS - Audi Volkswagen

Billet aluminum hood release handle replacement for the plastic OEM hood pull affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3195650
Mfg#:
019386ECS01
In Stock
ON SALE! SAVE 52%
$103.99

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

$50.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4751215 - 026861ECS01EB2KT - Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Enthusiast Bundles - Audi

Add some aggressive styling to your Audi! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits pre-facelift B8 models only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751215
Mfg#:
026861ECS01EB2KT
In Stock
ON SALE! SAVE 39%
$733.99

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

$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4641955 - E309 - Strap Style Tow Hook - Red - 5/8-11 Thread - Designed to handle any off-track adventure quickly and reliably - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle any off-track adventure quickly and reliably affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal 5/8-11 threads. Will not work on any OEM applications.

Brand:
Rennline - Corporate Logo
ES#:
4641955
Mfg#:
E309
Ships in 6 Business Days
$145.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3420220 - 024314ECS01 - Carbon Fiber Grille Accent Set - Audi B9 A4/S4 - 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 up to 2019 model year with *pre-facelift* front bumpers

Brand:
ECS - Corporate Logo
ES#:
3420220
Mfg#:
024314ECS01
In Stock
ON SALE! SAVE 44%
$576.99

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

$323.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3010194 - HD9601AUA4ER - Seibon ER-Style Carbon Fiber Hood  - Add style and remove weight from the front end of your Audi! - Seibon - Audi

Add style and remove weight from the front end of your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Seibon - Corporate Logo
ES#:
3010194
Mfg#:
HD9601AUA4ER
Special Order: No Guaranteed ETA
$1181.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3010155 - HD0910AUA4OE - Carbon Fiber Hood - Add style and remove weight from the front end of your Audi! - Seibon - Audi

Add style and remove weight from the front end of your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to the 2012 model year only (Pre-facelift) - To be used with hood pins

Brand:
Seibon - Corporate Logo
ES#:
3010155
Mfg#:
HD0910AUA4OE
Special Order: No Guaranteed ETA
$1170.00 USD
ES#3010181 - HD1213AUA4OE - Carbon Fiber Hood - Add style and remove weight from the front end of your Audi! - Seibon - Audi

Add style and remove weight from the front end of your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from the 2013 model year only (Facelift) - To be used with hood pins

Brand:
Seibon - Corporate Logo
ES#:
3010181
Mfg#:
HD1213AUA4OE
Special Order: No Guaranteed ETA
$1170.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3569534 - MS12 - 12cm "Muscle" Universal Fender Flares - Pair - ABS plastic universal fender flares that add 10cm of width per side - Clinched - Audi BMW Volkswagen Mercedes Benz MINI Porsche

ABS plastic universal fender flares that add 10cm of width per side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes required installation hardware and length of gasket

Brand:
Clinched - Corporate Logo
ES#:
3569534
Mfg#:
MS12
Special Order: No Guaranteed ETA
$350.00 USD
ES#3468577 - 019207ECS02KT - Engine Street Shield Hardware Kit - Replacement hardware kit for your front location ECS Street Shield - ECS - Audi

Replacement hardware kit for your front location ECS Street Shield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3468577
Mfg#:
019207ECS02KT
In Stock
ON SALE! SAVE 10%
$95.99

This product was last offered at the strikethrough price on
01-03-2026

$86.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3010195 - HD9601AUA4OE - Seibon OE-Style Carbon Fiber Hood - Add style and remove weight from the front end of your Audi! - Seibon - Audi

Add style and remove weight from the front end of your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Seibon - Corporate Logo
ES#:
3010195
Mfg#:
HD9601AUA4OE
Special Order: No Guaranteed ETA
$1028.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Exterior Parts & Upgrades

Make your car stand out with our catalog of exterior upgrades like spoilers, diffusers, side skirts, and more.

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