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Audi S4 Performance Exterior Parts & Upgrades

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Engine Street Shield Hardware Kit

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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3468577
Mfg#:
019207ECS02KT
In Stock
ON SALE! SAVE 10%
$90.99

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

$81.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Side Blade Set

ES#3195012 - 019189ecs01KT - Carbon Fiber Side Blade Set - Add a touch of style made with real carbon fiber to your Audi - ECS - Audi

Add a touch of style made with real carbon fiber to your Audi 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3195012
Mfg#:
019189ECS01KT
Ships on Dec 22, 2026
ON SALE! SAVE 10%
$1050.99

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

$945.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4/S4 Race Tow Strap - Red

ES#3569430 - 023419ECS01-05 - B8 A4/S4 Race Tow Strap - Red - Look great on the track or street! - ECS - Audi

Look great on the track or street! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3569430
Mfg#:
023419ECS01-05
In Stock
ON SALE!
$115.99

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

$112.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler

ES#3142810 - D28241 - Carbon Fiber Front Lip Spoiler - Delivers an unmatched combination of aggressiveness and luxury elegance - Deval - Audi

Delivers an unmatched combination of aggressiveness and luxury elegance Fits 2013+ (facelift) models only

Brand:
Deval - Corporate Logo
ES#:
3142810
Mfg#:
D28241
Special Order: No Guaranteed ETA
$890.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler

ES#3142808 - D28231 - Carbon Fiber Front Lip Spoiler - Delivers an unmatched combination of aggressiveness and luxury elegance - Deval - Audi

Delivers an unmatched combination of aggressiveness and luxury elegance Fits 2009-2012 (pre-facelift) models only

Brand:
Deval - Corporate Logo
ES#:
3142808
Mfg#:
D28231
Special Order: No Guaranteed ETA
$890.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Overlay - Audi B9 A4/S4

ES#3220704 - 022539ECS01 - Carbon Fiber Front Lip Overlay - Audi B9 A4/S4 - Add a subtle touch of carbon fiber to your B9 A4/S4 front bumper - ECS - Audi

Add a subtle touch of carbon fiber to your B9 A4/S4 front bumper 10X Entries For Our 25th Anniversary Sweepstakes!

Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
ECS - Corporate Logo
ES#:
3220704
Mfg#:
022539ECS01
In Stock
ON SALE! SAVE 49%
$243.99

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

$125.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Strap Style Tow Hook - Red

ES#4641959 - E313 - Strap Style Tow Hook - Red - Designed to handle any off-track adventure quickly and reliably - Rennline - Audi

Designed to handle any off-track adventure quickly and reliably

Brand:
Rennline - Corporate Logo
ES#:
4641959
Mfg#:
E313
Ships in 4 Business Days
$142.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Rear Diffuser

ES#3142811 - D28244 - Carbon Fiber Rear Diffuser - Delivers an unmatched combination of aggressiveness and luxury elegance - Deval - Audi

Delivers an unmatched combination of aggressiveness and luxury elegance Fits 2013+ (facelift) models only

Brand:
Deval - Corporate Logo
ES#:
3142811
Mfg#:
D28244
Special Order: No Guaranteed ETA
$850.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Engine Street Shield Skid Plate Hardware Kit

ES#3493176 - 003251ECS01KT - Engine Street Shield Skid Plate Hardware Kit - Replacement hardware kit for your ECS Engine Street Shield - ECS - Audi

Replacement hardware kit for your ECS Engine Street Shield 10X Entries For Our 25th Anniversary Sweepstakes!
Fits up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3493176
Mfg#:
003251ECS01KT
In Stock
ON SALE! SAVE 20%
$94.21

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

$75.37 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Carbon Fiber Front Lip Spoiler & Grille Accent Set

ES#5470749 - 019196ECSEBKT - Audi B9 A4/S4 Carbon Fiber Front Lip Spoiler & Grille Accent Set - Hand-laid carbon fiber to upgrade your exterior styling - Enthusiast Bundles - Audi

Hand-laid carbon fiber to upgrade your exterior styling Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
5470749
Mfg#:
019196ECSEBKT
In Stock
ON SALE!
$749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Carbon Fiber Grille Accent And Overlay Kit

ES#3557655 - 024315ecs01KT - Complete Carbon Fiber Grille Accent And Overlay Kit - Completely change your front end appearance with the full kit! - ECS - Audi

Completely change your front end appearance with the full kit! 10X Entries For Our 25th Anniversary Sweepstakes!

Does not fit vehicles with Drivers Assistance Package. Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
ECS - Corporate Logo
ES#:
3557655
Mfg#:
024315ECS01KT
Ships on Dec 22, 2026
ON SALE! SAVE 10%
$821.99

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

$739.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

12cm "Muscle" Universal Fender Flares - Pair

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 Includes required installation hardware and length of gasket

Brand:
Clinched - Corporate Logo
ES#:
3569534
Mfg#:
MS12
Special Order: No Guaranteed ETA
$350.00 USD

B7 A4/S4 Race Tow Strap - Black

ES#3569427 - 023419ECS01-02 - B7 A4/S4 Race Tow Strap - Black - Look great on the track or street! - ECS - Audi

Look great on the track or street! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3569427
Mfg#:
023419ECS01-02
In Stock
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

10cm "Muscle" Universal Fender Flares - Pair

ES#3569533 - MS10 - 10cm "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 Includes required installation hardware and length of gasket

Brand:
Clinched - Corporate Logo
ES#:
3569533
Mfg#:
MS10
Special Order: No Guaranteed ETA
$290.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

7cm "Glider" Universal Fender Flares - Pair

ES#3478672 - Gl7 - 7cm "Glider" Universal Fender Flares - Pair - ABS plastic universal fender flares that add 7cm of width per side - Clinched - Audi BMW Volkswagen Mercedes Benz MINI Porsche

ABS plastic universal fender flares that add 7cm of width per side Includes required installation hardware and length of gasket

Brand:
Clinched - Corporate Logo
ES#:
3478672
Mfg#:
GL7
Special Order: No Guaranteed ETA
$260.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Trunk Spoiler - Gloss Black

ES#3709285 - ZAW071600MDSP - Trunk Spoiler - Gloss Black - Ideal for those looking to add a competition-inspired touch to their Audi. - Genuine Volkswagen Audi - Audi

Ideal for those looking to add a competition-inspired touch to their Audi.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3709285
Mfg#:
ZAW071600MDSP
Ships in 7 Business Days
4% off MSRP

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

$540.00

This product was last offered at the strikethrough price on
07-22-2026

$517.99 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.

Let us help you find the parts that fit your Audi

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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