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Audi S4 Performance Exterior Parts & Upgrades

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ECS Tuning Tunnel Street Shield Aluminum Skid Plate Kit

ES#3610307 - 023780ecs02KT - ECS Tuning Tunnel Street Shield Aluminum Skid Plate Kit - Protect your vehicle's tunnel and improve aerodynamics - ECS - Audi

Protect your vehicle's tunnel and improve aerodynamics 10X Entries Into Our F80 M3 Sweepstakes
Fits Manual and DSG Transmissions

Brand:
ECS - Corporate Logo
ES#:
3610307
Mfg#:
023780ECS02KT
In Stock
ON SALE! SAVE 10%
$334.00

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

$300.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi B8 A4/S4 - 8P A3

ES#2816884 - 010257ECS02KT - Carbon Fiber Mirror Cap Set - Audi B8 A4/S4 - 8P A3 - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look 10X Entries Into Our F80 M3 Sweepstakes

For vehicles without lane change assist

Brand:
ECS - Corporate Logo
ES#:
2816884
Mfg#:
010257ECS02KT
In Stock
$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4 Pre-facelift Rear Diffuser & Trunk Spoiler

ES#4751275 - 028801ECS01EBKT - Audi B9 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!
Fits pre-facelift models (up to 2019) without integrated tips in the rear valance

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751275
Mfg#:
028801ECS01EBKT
In Stock
$710.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Ultimate Audi B9 Street Shield Kit

ES#3612458 - 019207ecs01KT5 - ECS Tuning Ultimate Audi B9 Street Shield Kit - Get the ultimate under body protection for your B9! - ECS - Audi

Get the ultimate under body protection for your B9! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3612458
Mfg#:
019207ECS01KT5
Ships on Feb 11, 2027
ON SALE!
$1045.99

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

$1014.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 Carbon Fiber Antenna Cover

ES#3468626 - 024985ECS01 - Audi B9 Carbon Fiber Antenna Cover - Add a unique, lightweight look to your B9 - ECS - Audi

Add a unique, lightweight look to your B9 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3468626
Mfg#:
024985ECS01
In Stock
ON SALE! SAVE 20%
$100.99

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

$80.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi B6/B7/8P/C6

ES#2804800 - 010253ECS01KT - Carbon Fiber Mirror Cap Set - Audi B6/B7/8P/C6 - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2804800
Mfg#:
010253ECS01KT
In Stock
ON SALE!
$333.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler

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!
Fits pre-facelift B8 models only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751215
Mfg#:
026861ECS01EB2KT
In Stock
ON SALE! SAVE 35%
$733.99

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

$478.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4/S4 Pre-Facelift Carbon Fiber Radiator Support Cover

ES#3974236 - 024713ecs01KT - Audi B8 A4/S4 Pre-Facelift Carbon Fiber Radiator Support Cover - Carbon fiber, front and center! - ECS - Audi

Carbon fiber, front and center! 10X Entries Into Our F80 M3 Sweepstakes

Fits pre-facelift models up to 2013

Brand:
ECS - Corporate Logo
ES#:
3974236
Mfg#:
024713ECS01KT
In Stock
ON SALE! SAVE 10%
$425.99

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

$383.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Radiator Support Cover

ES#4220120 - 034-1ZZ-1005 - Carbon Fiber Radiator Support Cover - Designed to tastefully complement the factory engine bay with a beautiful carbon fiber weave, that is perfectly matched to their X34 Carbon Fiber Air Intake. - 034Motorsport - Audi

Designed to tastefully complement the factory engine bay with a beautiful carbon fiber weave, that is perfectly matched to their X34 Carbon Fiber Air Intake. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4220120
Mfg#:
034-1ZZ-1005
Ships in 2 Business Days
$324.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B7/B8/B9/8V Modular No Holes License Plate/Tow Hook/Camera Mount System

ES#3614251 - 001912C0116A - Audi B7/B8/B9/8V Modular No Holes License Plate/Tow Hook/Camera Mount System - Everything a Euro-enthusiast desires from your factory tow hook mount! Modular system with attachments: ultra-strong tow hook, adjustable license plate bracket, dynamic camera mount. - ECS - Audi

Everything a Euro-enthusiast desires from your factory tow hook mount! Modular system with attachments: ultra-strong tow hook, adjustable license plate bracket, dynamic camera mount. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3614251
Mfg#:
001912C0116A
Ships on Mar 12, 2027
ON SALE!
Starting at $45.59 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 Facelift Forged Carbon Front Lip & Rear Diffuser

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!
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

$899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Front Lip Spoiler With Trunk Spoiler

ES#4750957 - 028802ECSEBKT - Audi B9 A4/S4 Front Lip Spoiler With Trunk Spoiler - Upgrade your exterior styling! - Enthusiast Bundles - Audi

Upgrade your exterior styling! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4750957
Mfg#:
028802ECSEBKT
In Stock
$655.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9.5 Mid-Facelift S4/A4 S-Line Front Chin Spoilers - Gloss Black

ES#4338535 - 007041la01KT1 - B9.5 Mid-Facelift S4/A4 S-Line Front Chin Spoilers - Gloss Black - Upgrade your exterior styling! - ECS - Audi

Upgrade your exterior styling! 10X Entries Into Our F80 M3 Sweepstakes

Fits 2019 Mid-Facelift Bumpers

Brand:
ECS - Corporate Logo
ES#:
4338535
Mfg#:
007041LA01KT1
In Stock
ON SALE! SAVE 25%
$283.99

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

$212.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi B5/C5/D2

ES#2855865 - 012602ecs01 - Carbon Fiber Mirror Cap Set - Audi B5/C5/D2 - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2855865
Mfg#:
012602ECS01
Ships on Feb 19, 2027
$351.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Grille Accent Set - Audi B8.5

ES#3569526 - 018360ecs01KT - Carbon Fiber Grille Accent Set - Audi B8.5 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

Fits Facelift models from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3569526
Mfg#:
018360ECS01KT
In Stock
ON SALE! SAVE 10%
$630.98

This product was last offered at the strikethrough price on
10-28-2026

$567.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Hood Latch Release Handle

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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3195650
Mfg#:
019386ECS01
In Stock
ON SALE! SAVE 36%
$77.99

This product was last offered at the strikethrough price on
05-14-2026

$50.17 USD
Free Shipping
on orders $49 and up
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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