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

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
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Volkswagen Rear Bumper Diffusers

Sort By
Filter By
Return to Top

MK7.5 GTI Functional Aerodynamic Front Splitter & Rear Diffuser Kit

ES#4780337 - 014468LA01KT3 - MK7.5 GTI Functional Aerodynamic Front Splitter & Rear Diffuser Kit - Combine function, form and aesthetics to provide an increase in downforce without additional drag! - Enthusiast Bundles - Volkswagen

Combine function, form and aesthetics to provide an increase in downforce without additional drag! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Save an additional $100 when you bundle our Aerodynamic Front Splitter & Rear Diffuser Kits!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4780337
Mfg#:
014468LA01KT3
In Stock
ON SALE! SAVE 47%
$1701.50

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

$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK7 Golf R Functional Aerodynamic Front Splitter & Rear Diffuser Kit

ES#4780332 - 014468LA01KT2 - MK7 Golf R Functional Aerodynamic Front Splitter & Rear Diffuser Kit - Combine function, form and aesthetics to provide an increase in downforce without additional drag! - Enthusiast Bundles - Volkswagen

Combine function, form and aesthetics to provide an increase in downforce without additional drag! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Save an additional $100 when you bundle our Aerodynamic Front Splitter & Rear Diffuser Kits!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4780332
Mfg#:
014468LA01KT2
Ships in 5 Business Days
ON SALE! SAVE 50%
$1793.50

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

$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK6 Jetta GLI Facelift (2016 - 2018) Rear Diffuser Kit - Gloss Black

ES#4349840 - 007170LA03-01KT - MK6 Jetta GLI Facelift (2016 - 2018) Rear Diffuser Kit - Gloss Black - Add aggressive styling with our In-House Engineered Rear Diffuser Kit! - ECS - Volkswagen

Add aggressive styling with our In-House Engineered Rear Diffuser Kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles from the 2016 model year only

Brand:
ECS - Corporate Logo
ES#:
4349840
Mfg#:
007170LA03-01KT
Ships on Nov 3, 2026
Auto Notify
ON SALE! SAVE 10%
$490.99

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

$441.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oettinger Rear Valance

ES#3613727 - 5G0071610DGRU - Oettinger Rear Valance - Diffuser style rear valance for use with a quad tip exhaust system - Genuine Volkswagen Audi - Volkswagen

Diffuser style rear valance for use with a quad tip exhaust system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3613727
Mfg#:
5G0071610DGRU
Ships in 7 Business Days
2% off MSRP

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

$844.00

This product was last offered at the strikethrough price on
07-09-2026

$822.99 USD
This product is lifetime replacement eligible Lifetime Replacement

MK7.5 GTI Functional Aerodynamic Rear Diffuser Kit

ES#4508225 - 039568LA01-01KT - MK7.5 GTI Functional Aerodynamic Rear Diffuser Kit - Combine function, form and aesthetics to provide an increase in downforce without additional drag! - ECS - Volkswagen

Combine function, form and aesthetics to provide an increase in downforce without additional drag! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4508225
Mfg#:
039568LA01-01KT
In Stock
ON SALE! SAVE 10%
$911.99

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

$820.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK7.5 GTI Rear Diffuser Kit - Build Your Own

Build your own modular diffuser kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Beri-Backer - Corporate Logo
ES#:
4465188
Mfg#:
MK75GTIBERIBACK
Ships in 3 Business Days
Starting at $169.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MK6 Jetta GLI Rear Diffuser - Textured Black

ES#4339856 - 007186LA01-02KT - MK6 Jetta GLI Rear Diffuser - Textured Black - Add aggressive styling with our In-House Engineered Textured Black Rear Diffuser! - ECS - Volkswagen

Add aggressive styling with our In-House Engineered Textured Black Rear Diffuser! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4339856
Mfg#:
007186LA01-02KT
Ships on Nov 23, 2026
ON SALE! SAVE 15%
$410.09

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

$348.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK6 GTI Rear Diffuser Kit - Build Your Own

Build your own modular diffuser kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Beri-Backer - Corporate Logo
ES#:
4465190
Mfg#:
MK6GTIBERIBACKER
Back Ordered
ON SALE!
Starting at $156.06 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

ISWEEP Mk7.5 Golf R DTM Rear Diffuser

ES#4447644 - IS.G75R.RDDTM.B - ISWEEP Mk7.5 Golf R DTM Rear Diffuser - iSweep DTM-Style Rear Diffuser replaces factory plastic piece. It features rigid FRP material with added diffuser fins. - iSWEEP - Volkswagen

iSweep DTM-Style Rear Diffuser replaces factory plastic piece. It features rigid FRP material with added diffuser fins. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iSWEEP - Corporate Logo
ES#:
4447644
Mfg#:
IS.G75R.RDDTM.B
Ships in 2 Business Days
$680.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MK7 GTI Functional Aerodynamic Rear Diffuser Kit & Hatch Spoiler Extension

ES#4751434 - 014482LA01EBKT - MK7 GTI Functional Aerodynamic Rear Diffuser Kit & Hatch Spoiler Extension - Combine function, form and aesthetics to provide an increase in downforce without additional drag! - Enthusiast Bundles - Volkswagen

Combine function, form and aesthetics to provide an increase in downforce without additional drag! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751434
Mfg#:
014482LA01EBKT
In Stock
ON SALE! SAVE 36%
$1045.99

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

$669.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

OETTINGER® Rear Diffuser

ES#4421921 - 5H0071610AGRU - OETTINGER Rear Diffuser - Add a sporty touch to your Volkswagen GTI with this distinctively Motorsport inspired diffuser by OETTINGER. - Genuine Volkswagen Audi - Volkswagen

Add a sporty touch to your Volkswagen GTI with this distinctively Motorsport inspired diffuser by OETTINGER®. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4421921
Mfg#:
5H0071610AGRU
Special Order: No Guaranteed ETA
2% off MSRP

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

$650.00

This product was last offered at the strikethrough price on
07-09-2026

$633.99 USD
This product is lifetime replacement eligible Lifetime Replacement

MK7.5 GTI Carbon Fiber Hatch Spoiler & Gloss Black Rear Diffuser

ES#4876123 - 019381EBKT - MK7.5 GTI Carbon Fiber Hatch Spoiler & Gloss Black Rear Diffuser - Add a sleek, sporty appearance to your MK7 with our carbon fiber hatch spoiler with Free Gloss Black Rear Diffuser - Enthusiast Bundles - Volkswagen

Add a sleek, sporty appearance to your MK7 with our carbon fiber hatch spoiler with Free Gloss Black Rear Diffuser Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876123
Mfg#:
019381EBKT
In Stock
ON SALE! SAVE 23%
$781.99

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

$599.00 USD
This product is lifetime replacement eligible Lifetime Replacement

European Alltrack Rear Diffuser

ES#4415991 - 5G9807568FU34 - European Alltrack Rear Diffuser - Improve the look of your Alltrack with this European Diffuser. - Genuine European Volkswagen Audi - Volkswagen

Improve the look of your Alltrack with this European Diffuser. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine European Volkswagen Audi - Corporate Logo
ES#:
4415991
Mfg#:
5G9807568FU34
Special Order: No Guaranteed ETA
$297.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Diffuser

ES#2806588 - 5G6807568N041 - Rear Diffuser - Replacement Golf R quad tip cutout rear diffuser. - Genuine Volkswagen Audi - Volkswagen

Replacement Golf R quad tip cutout rear diffuser. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2806588
Mfg#:
5G6807568N041
Ships in 1 day
7% off MSRP

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

$293.99

This product was last offered at the strikethrough price on
07-09-2026

$273.99 USD
This product is lifetime replacement eligible Lifetime Replacement

MK7 Jetta GLI Gloss Black Rear Diffuser Kit & Gloss Black Trunk Spoiler

ES#4751503 - 007218LA01EB2KT - MK7 Jetta GLI Gloss Black Rear Diffuser Kit & Gloss Black Trunk Spoiler - Add aggressive styling with our In-House Engineered Rear Diffuser and Trunk Spoiler! - Enthusiast Bundles - Volkswagen

Add aggressive styling with our In-House Engineered Rear Diffuser and Trunk Spoiler! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires removal of the factory trunk spoiler prior to installation

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751503
Mfg#:
007218LA01EB2KT
In Stock
ON SALE! SAVE 23%
$649.99

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

$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK8 GTI Gloss Textured Rear Diffuser & Hatch Spoiler Extension

ES#4751431 - 015158LA01EB2KT - MK8 GTI Gloss Textured Rear Diffuser & Hatch Spoiler Extension - Add aggressive styling with our In-House Engineered textured Black Rear Diffuser and Gloss Black Trunk Spoiler - Enthusiast Bundles - Volkswagen

Add aggressive styling with our In-House Engineered textured Black Rear Diffuser and Gloss Black Trunk Spoiler Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751431
Mfg#:
015158LA01EB2KT
In Stock
ON SALE! SAVE 20%
$612.99

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

$488.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Other Volkswagen Rear Bumper Diffusers

Let us help you find the parts that fit your Volkswagen

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 ECS Tuning is part of Enthusiast Auto Holdings