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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Pre-Facelift (09-12) Rear Bumper Diffusers

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

ES#4033487 - 028808ECS01 - Audi B8 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 Into Our F80 M3 Sweepstakes

Fits pre-facelift B8 models only

Brand:
ECS - Corporate Logo
ES#:
4033487
Mfg#:
028808ECS01
In Stock
ON SALE! SAVE 25%
$420.99

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

$315.99 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 Into Our F80 M3 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 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

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

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

S-Line Rear Diffuser - Platinum Grey

ES#451244 - 8K0807521D1RR - S-Line Rear Diffuser - Platinum Grey - Featuring dual exit / single tip exhaust provisions - Genuine Volkswagen Audi - Audi

Featuring dual exit / single tip exhaust provisions

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451244
Mfg#:
8K0807521D1RR
Ships in 3 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.

$260.00

This product was last offered at the strikethrough price on
08-25-2026

$237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4 Pre-facelift Gloss Black Rear Diffuser & Trunk Spoiler

ES#4750959 - 028808ECSEBKT - Audi B8 S4 Pre-facelift Gloss Black 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!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4750959
Mfg#:
028808ECSEBKT
In Stock
ON SALE! SAVE 24%
$733.99

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

$560.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S-Line Rear Diffuser Kit - Platinum Grey With Honeycomb Trim

ES#2143050 - 8k0898019 - S-Line Rear Diffuser Kit - Platinum Grey With Honeycomb Trim - Featuring dual exit / single tip exhaust provisions - Genuine Volkswagen Audi - Audi

Featuring dual exit / single tip exhaust provisions Fits S-Line bumpers only - Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2143050
Mfg#:
8K0898019
Ships in 3 Business Days
$465.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S4 Rear bumper valance - Platinum Grey

ES#451242 - 8K0807521B1RR - S4 Rear bumper valance - Platinum Grey - Featuring dual exit / dual tip exhaust provisions - Genuine Volkswagen Audi - Audi

Featuring dual exit / dual tip exhaust provisions

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451242
Mfg#:
8K0807521B1RR
Ships in 3 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.

$343.99

This product was last offered at the strikethrough price on
08-25-2026

$314.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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