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Audi S4 Lips, Spoilers & Side Skirts

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Audi B8/B8.5 A4/S4 Rear Window Spoiler - Gloss Black

ES#3713982 - 028446ECS01 - Audi B8/B8.5 A4/S4 Rear Window Spoiler - Gloss Black - Add subtle styling to complete the look! - ECS - Audi

Add subtle styling to complete the look! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3713982
Mfg#:
028446ECS01
In Stock
ON SALE! SAVE 15%
$201.99

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

$171.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler - Audi B8.5 A4/S4

ES#3046047 - 013875ECS01A - Carbon Fiber Front Lip Spoiler - Audi B8.5 A4/S4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles from the 2013 model year (Facelift)

Brand:
ECS - Corporate Logo
ES#:
3046047
Mfg#:
013875ECS01A
In Stock
ON SALE! SAVE 20%
$999.99

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

$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser

ES#4490851 - 018359ECS01-02 - Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser - Hand-laid chopped carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid chopped carbon fiber to upgrade your exterior styling 10X Entries For Our 25th Anniversary Sweepstakes!

From the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
4490851
Mfg#:
018359ECS01-02
In Stock
ON SALE! SAVE 30%
$998.99

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

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4

ES#3146390 - 019196ECS01A - Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries For Our 25th Anniversary Sweepstakes!

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

Brand:
ECS - Corporate Logo
ES#:
3146390
Mfg#:
019196ECS01A
In Stock
ON SALE! SAVE 41%
$875.99

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

$515.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Facelift Front Lip & Gloss Black Grille Accent Set

ES#4751232 - 027963ECS01EBKT - Audi B8.5 S4 / A4 S-Line Facelift Front Lip & Gloss Black Grille Accent Set - 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!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751232
Mfg#:
027963ECS01EBKT
In Stock
ON SALE! SAVE 34%
$649.08

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

$429.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler - Audi B8 A4 S-Line/S4

ES#3170969 - 006364ECS01A - Carbon Fiber Front Lip Spoiler - Audi B8 A4 S-Line/S4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries For Our 25th Anniversary Sweepstakes!

Up to the 2012 model year (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
3170969
Mfg#:
006364ECS01A
In Stock
ON SALE! SAVE 10%
$856.99

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

$771.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B5 S4/A4 Trunk Spoiler - Gloss Black

ES#4159609 - 007721LA01 - Audi B5 S4/A4 Trunk Spoiler - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4159609
Mfg#:
007721LA01
In Stock
ON SALE! SAVE 20%
$223.99

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

$179.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Trunk Spoiler - Audi B8 A4/S4

ES#2996602 - 013868ECS01A - Carbon Fiber Trunk Spoiler - Audi B8 A4/S4 - Add a touch of style and real carbon fiber to your Audi - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
2996602
Mfg#:
013868ECS01A
In Stock
ON SALE! SAVE 36%
$626.99

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

$400.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 A4 S-Line / S4 Trunk Spoiler - Gloss Black

ES#4039668 - 001215LA01 - Audi B7 A4 S-Line / S4 Trunk Spoiler - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Sedan models only

Brand:
ECS - Corporate Logo
ES#:
4039668
Mfg#:
001215LA01
In Stock
ON SALE! SAVE 23%
$222.99

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

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6 / B7 Carbon Fiber B-Pillar Trim Set

ES#3662300 - 026331ECS01 - Audi B6 / B7 Carbon Fiber B-Pillar Trim Set - Make your good side great with carbon fiber! - ECS - Audi

Make your good side great with carbon fiber! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3662300
Mfg#:
026331ECS01
In Stock
ON SALE! SAVE 10%
$323.99

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

$291.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Front Lip Spoiler - Gloss Black & Grille Accent Set - Gloss Black

ES#4751328 - 028802ECS01EBKT - Audi B9 A4/S4 Front Lip Spoiler - Gloss Black & Grille Accent Set - Gloss Black - 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#:
4751328
Mfg#:
028802ECS01EBKT
In Stock
ON SALE! SAVE 39%
$657.78

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

$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift

ES#3200799 - 021532ECS01A - Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries For Our 25th Anniversary Sweepstakes!

Up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3200799
Mfg#:
021532ECS01A
In Stock
ON SALE! SAVE 30%
$999.99

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

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Front Lip

ES#4490853 - 013875ECS01-02 - Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Front Lip - Hand-laid chopped carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid chopped carbon fiber to upgrade your exterior styling 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles from the 2013 model year (Facelift)

Brand:
ECS - Corporate Logo
ES#:
4490853
Mfg#:
013875ECS01-02
In Stock
ON SALE! SAVE 36%
$940.99

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

$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black

ES#4044452 - 024846ecs01KT1 - Audi B8.5 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black - Spice up the exterior of your Audi with gloss black spats! - ECS - Audi

Spice up the exterior of your Audi with gloss black spats! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits 2013+ A4 S-Line and S4 rear bumpers

Brand:
ECS - Corporate Logo
ES#:
4044452
Mfg#:
024846ECS01KT1
In Stock
ON SALE! SAVE 25%
$139.99

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

$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black

ES#4164511 - 004751la01 - Audi B9 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black - Spice up the exterior of your Audi with gloss black spats! - ECS - Audi

Spice up the exterior of your Audi with gloss black spats! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits pre-facelift models up to 2019 model year

Brand:
ECS - Corporate Logo
ES#:
4164511
Mfg#:
004751LA01
Ships on Sep 8, 2026
Auto Notify
ON SALE! SAVE 25%
$133.99

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

$100.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4 / A4 S-Line Pre-facelift Front Lip & Gloss Black Grille Accent Set

ES#4751228 - 027962ECS01EBKT - Audi B8 S4 / A4 S-Line Pre-facelift Front Lip & Gloss Black Grille Accent Set - 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!
For vehicles up to the 2012 model year (Pre-Facelift)

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751228
Mfg#:
027962ECS01EBKT
In Stock
ON SALE! SAVE 26%
$497.98

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

$369.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Lips, Spoilers & Side Skirts

Give your car a much-needed visual improvement with our selection of in-house designed front lips, side skirts, and rear spoilers, or choose from our industry-leading catalog of performance exterior upgrade companies you know and love.

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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