2010-2016 Audi S4 rear diffusers

10 rear diffusers for the B8 2010-2016 Audi S4 (3.0T supercharged V6) from 4 brands. Rear diffusers and rear bumper trim.

Before you order

Diffusers are specific to the bumper type and to the exhaust tip layout. Confirm both.
Listings are read from the retailer's B8 and B8.5 S4 (3.0T, quattro) category. Confirm engine, drivetrain and model year on the retailer page before ordering.

Brands on this page: ECS (5), Doorbusters (2), Enthusiast Bundles (2), Deval (1).

Deval · Part no. D28244
Carbon Fiber Rear Diffuser
Delivers an unmatched combination of aggressiveness and luxury elegance
Retailer fitment note: Fits 2013+ (facelift) models only
Check price at ECS Tuning for Deval Carbon Fiber Rear Diffuser (opens the retailer site)
Doorbusters · Part no. DO0RBUSTER8KT
Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler
Add some aggressive styling to your Audi!
Retailer fitment note: Fits pre-facelift B8 models only
Check price at ECS Tuning for Doorbusters Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler (opens the retailer site)
Doorbusters · Part no. DO0RBUSTER9KT
Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler
Add some aggressive styling to your Audi!
Retailer fitment note: Fits facelift B8.5 (2013+) models only
Check price at ECS Tuning for Doorbusters Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler (opens the retailer site)
ECS · Part no. 028808ECS01
Audi B8 S4 / A4 S-Line Rear Diffuser - Gloss Black
Add some aggressive styling to your Audi!
Retailer fitment note: Fits pre-facelift B8 models only
Check price at ECS Tuning for ECS Audi B8 S4 / A4 S-Line Rear Diffuser - Gloss Black (opens the retailer site)
ECS · Part no. 018359ECS01A
Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Diffuser
Hand-laid carbon fiber to upgrade your exterior styling
Retailer fitment note: From the 2013 model year
Check price at ECS Tuning for ECS Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Diffuser (opens the retailer site)
ECS · Part no. 018359ECS01-02
Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser
Hand-laid chopped carbon fiber to upgrade your exterior styling
Retailer fitment note: From the 2013 model year
Check price at ECS Tuning for ECS Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser (opens the retailer site)
ECS · Part no. 028807ECS01KT
Audi B8.5 S4 / A4 S-Line Rear Diffuser - Gloss Black
Add some aggressive styling to your Audi!
Retailer fitment note: Fits facelift B8.5 (2013+) models only
Check price at ECS Tuning for ECS Audi B8.5 S4 / A4 S-Line Rear Diffuser - Gloss Black (opens the retailer site)
ECS · Part no. 021532ECS01A
Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift
Hand-laid carbon fiber to upgrade your exterior styling
Retailer fitment note: Up to the 2012 model year
Check price at ECS Tuning for ECS Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift (opens the retailer site)
Enthusiast Bundles · Part no. 026861ECS01EB2KT
Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler
Add some aggressive styling to your Audi!
Retailer fitment note: Fits pre-facelift B8 models only
Check price at ECS Tuning for Enthusiast Bundles Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler (opens the retailer site)
Enthusiast Bundles · Part no. 026861ECS01EBKT
Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler
Add some aggressive styling to your Audi!
Retailer fitment note: Fits facelift B8.5 (2013+) models only
Check price at ECS Tuning for Enthusiast Bundles Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler (opens the retailer site)

2010-2016 Audi S4 rear diffusers

Before you order

Carbon Fiber Rear Diffuser

Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler

Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler

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

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

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

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

Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift

Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler

Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler

More 2010-2016 Audi S4 parts