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Audi B8/B8.5 A4 FWD 2.0T Performance Exterior Parts & Upgrades

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Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler

ES#4751213 - 026861ECS01EBKT - Audi B8.5 S4 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 facelift B8.5 (2013+) S-Line models with quad tips only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751213
Mfg#:
026861ECS01EBKT
In Stock
ON SALE! SAVE 49%
$785.48

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

Audi B8 A4/S4 Facelift Carbon Fiber Radiator Support Cover

ES#3435250 - 024714ECS01 - Audi B8 A4/S4 Facelift Carbon Fiber Radiator Support Cover - Carbon fiber, front and center! - ECS - Audi

Carbon fiber, front and center! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Facelift models from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3435250
Mfg#:
024714ECS01
Ships on Jul 22, 2026
Auto Notify
ON SALE! SAVE 15%
$410.99

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

$349.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Functional Aerodynamic Rear Wing Kit - Universal Fitment

ES#4509042 - 013903LA - Functional Aerodynamic Rear Wing Kit - Universal Fitment - Maximize rear tire contact with our in-house engineered, adjustable Carbon Fiber Rear Wing - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Maximize rear tire contact with our in-house engineered, adjustable Carbon Fiber Rear Wing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4509042
Mfg#:
013903LA
In Stock
ON SALE!
Starting at $1565.41 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gloss Black Front Lip Spoiler - Audi B8 A4 Pre-Facelift Non S-Line

ES#4487662 - 012441la01KT - Gloss Black Front Lip Spoiler - Audi B8 A4 Pre-Facelift Non S-Line - Raise the level of style on your B8 A4 Non S-Line with the ECS Tuning gloss black front lip spoiler. - ECS - Audi

Raise the level of style on your B8 A4 Non S-Line with the ECS Tuning gloss black front lip spoiler. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Pre-Facelift Non S-Line Bumpers Only (2009-2012)

Brand:
ECS - Corporate Logo
ES#:
4487662
Mfg#:
012441LA01KT
In Stock
ON SALE! SAVE 22%
$352.25

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

$275.00 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For S-Line models only 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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits S-Line bumpers 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 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits S-Line bumpers from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
4490851
Mfg#:
018359ECS01-02
In Stock
ON SALE! SAVE 36%
$998.99

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

$637.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4 Pre-Facelift (09-12) S-line Rear Diffuser - Single Exit - Gloss Black

ES#4701364 - 051610LA01-01 - B8 A4 Pre-Facelift (09-12) S-line Rear Diffuser - Single Exit - Gloss 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#:
4701364
Mfg#:
051610LA01-01
In Stock
ON SALE! SAVE 47%
$373.99

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

$197.20 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with an integrated trunk spoiler

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

$400.00 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles without lane change assist from the 2010 model year

Brand:
ECS - Corporate Logo
ES#:
2816884
Mfg#:
010257ECS02KT
In Stock
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Antenna Cover

ES#3191300 - 022697ECS01 - Carbon Fiber Antenna Cover - Add a unique, lightweight look to your ride - ECS - Audi Volkswagen

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 from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3191300
Mfg#:
022697ECS01
In Stock
ON SALE! SAVE 20%
$95.99

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

$76.79 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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%
$136.98

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

$102.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi B8 A4/A5/S4/S5

ES#2816885 - 010257ECS03KT - Carbon Fiber Mirror Cap Set - Audi B8 A4/A5/S4/S5 - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with lane change assist from the 2010 model year

Brand:
ECS - Corporate Logo
ES#:
2816885
Mfg#:
010257ECS03KT
In Stock
$374.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4/S4 Gloss Black Grille Accent Set - Pre Facelift

ES#3697647 - 027962ECS01 - Audi B8 A4/S4 Gloss Black Grille Accent Set - Pre Facelift - Upgrade your exterior styling - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
3697647
Mfg#:
027962ECS01
In Stock
ON SALE! SAVE 21%
$188.99

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

$149.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Fog Light Grille Overlay Set - Audi B8.5 A4/S4

ES#3419105 - 022928ecs01KT - Carbon Fiber Fog Light Grille Overlay Set - Audi B8.5 A4/S4 - Masks the aluminum-look trim strips on the fog light grilles with carbon fiber - ECS - Audi

Masks the aluminum-look trim strips on the fog light grilles with carbon fiber affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Facelift models with S-Line(S4) front bumpers from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3419105
Mfg#:
022928ECS01KT
In Stock
ON SALE! SAVE 15%
$169.99

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

$144.45 USD
Free Shipping
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.

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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