Audi A4/S4/RS4 B8.5 (FL) 2012 - 2016

The APR Intake system dramatically out performs the factory intake system and improves upon the closed box design. As performance increases, so does the importance of a high-flow high-quality intake...

APR Supercharger Drive Pulley - 3.0TFSIAPR’s Supercharger Drive Pulley Upgrade decreases the diameter of the factory pulley from ~63.25mm to 57.75mm, which in turn spins the supercharger ~9.5%...

APR Ultracharger System - 3.0TFSIThe APR Ultracharger System dramatically increases horsepower and torque, and maximises the power potential of the 3.0 TFSI. It removes a massive pre-supercharger...

Carbon Fibre Rear spoiler to fit A4/S4 Saloon Please check images to match your book/trunk shape. If you are unsure please contact us sales@ultimatecustomsuk.com     

ECS Carbon Fibre Rear Bumper Side Splitters - B8.5 S4 / A4 S-Line FaceliftFits 2013+ A4 S-Line and S4 rear bumpers Raise the level of style on your facel

Raise the level of style on your B8.5 A4 S-Line or S4 with the ECS Tuning gloss black front lip spoiler. This quality piece was engineered and designed in-house to fit directly to your factory...

ECS Gloss Black Rear Bumper Side Splitters - B8.5 S4 / A4 S-Line Facelift Raise the level of style on your facelift B8.5 Audi S4 or A4 S-Line with the ECS Tuning Glos

Raise the level of style on your Pre-facelift B8 A4 S-Line/S4 with the ECS Tuning carbon fiber front lip spoiler. This quality piece was engineered and designed in-house to fit directly to your...

Raise the level of style on your Facelift B8 A4 S-Line or S4 with the ECS Tuning Carbon Fiber Front Lip Spoiler. This quality piece was engineered and designed in-house to fit directly to your...

Raise the level of style on your pre-facelift B8 S4 or A4 S-Line with the ECS Tuning Carbon Fiber Grille Accent Set. This quality addition was engineered and designed in-house to fit directly to...

Raise the level of style on your B8 S4 with the ECS Tuning Carbon Fiber Grille Accent Set. This quality addition was engineered and designed in-house to fit directly to your factory front bumper...

Upgrade your exterior styling with the ECS Tuning Carbon Fiber Rear Diffuser. This diffuser was engineered and designed in-house to add a more aggressive appearance to the rear of your vehicle that...