Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi Rear Bumper Parts

Sort By
Filter By
Return to Top

Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Dual Outlet - Gloss Black

ES#4424440 - 012452LA01 - Audi B8 A4 Pre Facelift Non S-Line Rear Diffuser - Dual Outlet - 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

Brand:
ECS - Corporate Logo
ES#:
4424440
Mfg#:
012452LA01
In Stock
ON SALE! SAVE 15%
$420.99

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

$357.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 8V S3 / A3 S line Rear Diffuser - Gloss Black

ES#4355239 - 015441LA01 - Audi 8V S3 / A3 S line Rear Diffuser - Gloss Black - Add some aggressive styling to your 8V S3 / A3 S line pre-facelift Audi! - ECS - Audi

Add some aggressive styling to your 8V S3 / A3 S line pre-facelift Audi! 10X Entries Into Our F80 M3 Sweepstakes

Fits up to 2016 (pre-facelift) models only

Brand:
ECS - Corporate Logo
ES#:
4355239
Mfg#:
015441LA01
In Stock
ON SALE! SAVE 10%
$472.99

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

$425.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 A4 Rear Diffuser - Gloss Black

ES#4057347 - 006118LA01 - Audi B7 A4 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 sedan/avant models with dual exit/single tip exhaust

Brand:
ECS - Corporate Logo
ES#:
4057347
Mfg#:
006118LA01
In Stock
ON SALE! SAVE 20%
$363.99

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

$291.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S5 Facelift Rear Diffuser & Trunk Spoiler

ES#4751277 - 006241LA01EBKT - Audi B8.5 S5 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!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751277
Mfg#:
006241LA01EBKT
In Stock
ON SALE! SAVE 26%
$690.08

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

$509.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi C7.5 S6 Carbon Fiber Rear Diffuser

ES#4723607 - 049257LA01 - Audi C7.5 S6 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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4723607
Mfg#:
049257LA01
In Stock
ON SALE!
$799.99

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

$734.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 8Y RS3 Rear Diffuser - Carbon Fiber

ES#4636508 - 048084LA01-01 - Audi 8Y RS3 Rear Diffuser - Carbon Fiber - Add some aggressive styling to your 8Y RS3! - ECS - Audi

Add some aggressive styling to your 8Y RS3! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles up through the 2024 model year only (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
4636508
Mfg#:
048084LA01-01
In Stock
ON SALE! SAVE 20%
$849.99

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

$679.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi C7 S6 Rear Diffuser - Carbon Fiber

ES#4624069 - 019840LA01-01 - Audi C7 S6 Rear Diffuser - Carbon Fiber - Add some aggressive styling to your C7 S6 / A6-S line pre-facelift Audi! - ECS - Audi

Add some aggressive styling to your C7 S6 / A6-S line pre-facelift Audi! 10X Entries Into Our F80 M3 Sweepstakes

Fits S line models up to the 2015 model year (pre-facelift) Will require exhaust modification to fill the muffler tip cutouts.

Brand:
ECS - Corporate Logo
ES#:
4624069
Mfg#:
019840LA01-01
In Stock
ON SALE! SAVE 18%
$734.99

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

$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi C7.5 S6 Rear Diffuser - Gloss Black

ES#4698696 - 049299LA01-01 - Audi C7.5 S6 Rear Diffuser - Gloss Black - Add some aggressive styling to your C7.5 S6! - ECS - Audi

Add some aggressive styling to your C7.5 S6! 10X Entries Into Our F80 M3 Sweepstakes

Fits 2016+ model years (facelift)

Brand:
ECS - Corporate Logo
ES#:
4698696
Mfg#:
049299LA01-01
In Stock
ON SALE! SAVE 25%
$405.99

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

$304.49 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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4701364
Mfg#:
051610LA01-01
In Stock
ON SALE! SAVE 33%
$373.99

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

$250.00 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 Into Our F80 M3 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

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

Fits S-Line bumpers

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 B9 A5 S-Line Rear Diffuser - Gloss Black

ES#4316145 - 011983LA01 - Audi B9 A5 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 S-Line bumpers only (2018 & 2019)

Brand:
ECS - Corporate Logo
ES#:
4316145
Mfg#:
011983LA01
In Stock
ON SALE! SAVE 10%
$343.99

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

$309.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 Q5 Rear Diffuser - Gloss Black

ES#4642532 - 012598la01KT - B8 Q5 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
For vehicles with S-line bumper only

Brand:
ECS - Corporate Logo
ES#:
4642532
Mfg#:
012598LA01KT
In Stock
$312.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 8Y RS3 Rear Diffuser - Gloss Black

ES#4642642 - 047030LA01 - Audi 8Y RS3 Rear Diffuser - Gloss Black - Add some aggressive styling to your 8Y RS3 Audi! - ECS - Audi

Add some aggressive styling to your 8Y RS3 Audi! 10X Entries Into Our F80 M3 Sweepstakes

For vehicles up through the 2024 model year only (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
4642642
Mfg#:
047030LA01
In Stock
ON SALE! SAVE 15%
$378.00

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

$319.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi C7.5 A6 S-Line Gloss Black Front Lip Spoiler & Gloss Black Rear Diffuser

ES#4876126 - 053256LAEBKT - Audi C7.5 A6 S-Line Gloss Black Front Lip Spoiler & Gloss Black Rear Diffuser - A complete front & rear styling package for your vehicle! Direct fit for your facelift C7.5 A6 S-Line. - Enthusiast Bundles - Audi

A complete front & rear styling package for your vehicle! Direct fit for your facelift C7.5 A6 S-Line. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876126
Mfg#:
053256LAEBKT
In Stock
ON SALE! SAVE 28%
$697.48

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

$498.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi C7 A6 S-line Rear Diffuser - Carbon Fiber

ES#4624073 - 027096LA01-01 - Audi C7 A6 S-line Rear Diffuser - Carbon Fiber - Add some aggressive styling to your pre-facelift C7 A6 S-line! - ECS - Audi

Add some aggressive styling to your pre-facelift C7 A6 S-line! 10X Entries Into Our F80 M3 Sweepstakes

Fits S line models up to the 2015 model year (pre-facelift)

Brand:
ECS - Corporate Logo
ES#:
4624073
Mfg#:
027096LA01-01
In Stock
ON SALE! SAVE 43%
$609.99

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

$350.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Rear Bumper Parts

Everything from OEM replacement rear bumpers and Aftermarket replacement rear bumpers to diffusers, rear bumper aero, and more!

Other Audi Rear Bumper Parts

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings