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Audi A4 Facelift (2013+) Rear Bumper Diffusers

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Audi B8.5 S4 / A4 S-Line Rear Diffuser - Gloss Black

ES#4147363 - 028807ecs01KT - Audi B8.5 S4 / A4 S-Line Rear Diffuser - 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 facelift B8.5 (2013+) S-Line models with quad tips only

Brand:
ECS - Corporate Logo
ES#:
4147363
Mfg#:
028807ECS01KT
In Stock
ON SALE! SAVE 20%
$407.99

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

$326.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#3085916 - 018359ECS01A - Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Diffuser - 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 S-Line bumpers

Brand:
ECS - Corporate Logo
ES#:
3085916
Mfg#:
018359ECS01A
In Stock
ON SALE! SAVE 10%
$1019.99

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

$917.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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!
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

$399.99 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!

Fits S-Line bumpers

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

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

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 For Our 25th Anniversary Sweepstakes!
Fits facelift B8.5 (2013+) models only

Brand:
ECS - Corporate Logo
ES#:
5470674
Mfg#:
053177LA01KT
In Stock
$397.99 USD
Free Shipping
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

S-Line Rear Diffuser Trim - Satin Black

ES#451256 - 8K080783301C - S-Line Rear Diffuser Trim - Satin Black - Restore the look of your vehicles exterior - Genuine Volkswagen Audi - Audi

Restore the look of your vehicles exterior For S-line bumpers Fits up to the 2012 pre-facelift models

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451256
Mfg#:
8K080783301C
Ships in 2 Business Days
8% off MSRP

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

$248.99

This product was last offered at the strikethrough price on
07-18-2026

$227.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Bumper Side Splitters

ES#3981217 - 024846ecs01KT - Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Bumper Side Splitters - Spice up the exterior of your Audi with genuine carbon fiber spats! - ECS - Audi

Spice up the exterior of your Audi with genuine carbon fiber spats! 10X Entries For Our 25th Anniversary Sweepstakes!
Fits 2013+ A4 S-Line and S4 rear bumpers
Fits 2013+ A4 S-Line and S4 rear bumpers

Brand:
ECS - Corporate Logo
ES#:
3981217
Mfg#:
024846ECS01KT
Ships on Dec 17, 2026
ON SALE! SAVE 10%
$307.99

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

$277.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S-Line Rear Diffuser Trim - Satin Black

ES#2540967 - 8K0807833A01C - S-Line Rear Diffuser Trim - Satin Black - Restore the look of your vehicles exterior - Genuine Volkswagen Audi - Audi

Restore the look of your vehicles exterior For S-line bumpers Fits from the 2013 facelift models

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540967
Mfg#:
8K0807833A01C
In Stock
ON SALE!
$227.99

This product was last offered at the strikethrough price on
06-15-2026

$210.17 USD
This product is lifetime replacement eligible Lifetime Replacement

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