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Your Vehicle Audi B8/B8.5 S4 Quattro 3.0T

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

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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 10X Entries For Our Spin To Win Sweepstakes!

Fits pre-facelift B8 models only

Brand:
ECS - Corporate Logo
ES#:
4033487
Mfg#:
028808ECS01
In Stock
ON SALE! SAVE 30%
$420.99

This product was last offered at the strikethrough price on
11-07-2026

$294.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 10X Entries For Our Spin To Win Sweepstakes!

Up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3200799
Mfg#:
021532ECS01A
In Stock
ON SALE! SAVE 31%
$1019.99

This product was last offered at the strikethrough price on
11-07-2026

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
$748.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4731979 - DO0RBUSTER8KT - Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Doorbusters - Audi

Add some aggressive styling to your Audi! Our Doorbuster deals are in limited supply at these prices. Get yours while they're in stock! Can't find the perfect bundle? Call or chat with us to build a custom one. 10X Entries For Our Spin To Win Sweepstakes!
Fits pre-facelift B8 models only

Brand:
Doorbusters - Corporate Logo
ES#:
4731979
Mfg#:
DO0RBUSTER8KT
In Stock
ON SALE! SAVE 53%
$748.98

This product was last offered at the strikethrough price on
11-07-2026

$349.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
ES#4745230 - 028808ECSDBKT - Audi B8 S4 Pre-facelift Rear Diffuser & Grille Flares - Add some aggressive styling to your Audi! - Doorbusters - Audi

Add some aggressive styling to your Audi! Our Doorbuster deals are in limited supply at these prices. Get yours while they're in stock! Can't find the perfect bundle? Call or chat with us to build a custom one. 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Doorbusters - Corporate Logo
ES#:
4745230
Mfg#:
028808ECSDBKT
In Stock
ON SALE! SAVE 51%
$609.99

This product was last offered at the strikethrough price on
11-07-2026

$299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 1-2 days
13% 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
08-31-2026

$225.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 1-2 days
$465.08

This product was last offered at the strikethrough price on
08-31-2026

$440.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 1-2 days
13% 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
08-31-2026

$297.99 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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