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Audi A4 Rear Bumper Diffusers

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Audi B9 A4 Pre-facelift Rear Diffuser & Trunk Spoiler

ES#4732007 - DO0RBUSTER11KT - Audi B9 A4 Pre-facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Doorbusters - Audi

Add some aggressive styling to your Audi! Fits pre-facelift, S-line models (up to 2018), without integrated tips in the rear valance

Brand:
Doorbusters - Corporate Logo
ES#:
4732007
Mfg#:
DO0RBUSTER11KT
In Stock
$720.98 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 S-Line models with quad tips only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751215
Mfg#:
026861ECS01EB2KT
In Stock
ON SALE!
$478.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4 Pre-facelift Rear Diffuser & Trunk Spoiler

ES#4751276 - 028801ECS01EB2KT - Audi B9 A4 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, S-line models (up to 2018), without integrated tips in the rear valance

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751276
Mfg#:
028801ECS01EB2KT
In Stock
$720.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Single Outlet - Matte Black

ES#4445777 - 039684LA01-02 - Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Single Outlet - Matte Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4445777
Mfg#:
039684LA01-02
In Stock
ON SALE! SAVE 25%
$386.99

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

$290.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8.5 A4 S-line Facelift ABS Diffuser

ES#5470674 - 053177la01KT - B8.5 A4 S-line Facelift ABS Diffuser - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries Into Our F80 M3 Sweepstakes
Fits facelift B8.5 (2013+) models only

Brand:
ECS - Corporate Logo
ES#:
5470674
Mfg#:
053177LA01KT
In Stock
ON SALE! SAVE 15%
$397.99

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

$338.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Rear Diffuser - Audi B9 A4

ES#3145741 - 019193ECS01A - Carbon Fiber Rear Diffuser - Audi B9 A4 - 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 pre-facelift, S-line models (up to 2019), without integrated tips in the rear valance

Brand:
ECS - Corporate Logo
ES#:
3145741
Mfg#:
019193ECS01A
In Stock
ON SALE!
$719.99

This product was last offered at the strikethrough price on
09-01-2026

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

Carbon Fiber Rear Valance w/Rear Splitter

ES#3142795 - AS410-CFRVP - Carbon Fiber Rear Valance w/Rear Splitter - Delivers an unmatched combination of aggressiveness and luxury elegance - Deval - Audi

Delivers an unmatched combination of aggressiveness and luxury elegance Fits S-line models

Brand:
Deval - Corporate Logo
ES#:
3142795
Mfg#:
AS410-CFRVP
Special Order: No Guaranteed ETA
$1000.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Rear Diffuser

ES#4000981 - D38234 - Carbon Fiber Rear Diffuser - Designed and manufactured to improve performance and everyday drivability - Deval - Audi

Designed and manufactured to improve performance and everyday drivability Fits S-line models only with quad exit exhaust

Brand:
Deval - Corporate Logo
ES#:
4000981
Mfg#:
D38234
Special Order: No Guaranteed ETA
$890.00 USD
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 S-line models only with quad exit exhaust

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

Carbon Fiber Rear Diffuser - Audi B8 A4

ES#3194430 - 022851ECS01 - Carbon Fiber Rear Diffuser - Audi B8 A4 - 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 standard (Non S-Line) bumpers

Brand:
ECS - Corporate Logo
ES#:
3194430
Mfg#:
022851ECS01
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$921.99

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

$737.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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