Audi A4/S4/RS4 B9 (2016 - 2020)

Lost or split your original rubber coupling? This 3" Diameter flexible rubber coupling is a direct replacement for your original and comes complete with the hose clips.. Fits APR Carbon part numbers:* CI100012* CI100020-C* CI100023 Note: Hose clips not...

APR is pleased to present the high flow, Turbo Muffler Delete for various 1.8T and 2.0T engines featuring an IHI turbo. Turbo Muffler Delete All too often OEM components must sacrifice various performance minded characteristics in an effort to appeal to...

The APR Short Shifter System is a comprehensive upgrade to the factory gear shifter assembly and is designed to reduces shifter movement, in all directions, while simultaneously improving shift quality. The system provides fine tuning of front-to-back...

The APR Short Shifter System is a comprehensive upgrade to the factory gear shifter assembly and is designed to reduces shifter movement, in all directions, while simultaneously improving shift quality. The system provides fine tuning of front-to-back...

Upgrade your exterior styling on your Audi with the ECS Tuning Gloss Black Trunk Spoiler. This trunk spoiler was engineered in-house and designed to follow the curves and lines of the body to offer a more aggressive look that matches the factory appeal...

Raise the level of style on your B9 S4 with the ECS Tuning Carbon Fiber Grille Overlay Set. This quality addition was engineered and designed in-house to fit directly to your factory grille, with no modifications required. These overlays cover up the...

Raise the level of style on your B9 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 your factory front bumper cover, with no modifications required.  The...

Upgrade your exterior styling with the ECS Tuning Carbon Fiber Trunk Spoiler. This trunk spoiler was engineered in-house and designed to follow the curves and lines of the body to offer a more aggressive look that matches the factory appeal of the B9 A4...

Raise the level of style on your B9 A4/S4 with the ECS Tuning carbon fiber front lip spoiler. This quality piece was engineered and designed in-house to fit directly to your factory front bumper to provide a much more aggressive visual appearance and the...

The APR Intercooler System is a massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! The system is an easy to install, direct bolt-on design, that is recommended...

APR Ignition Coil APR Ignition Coils are designed to be a direct plug-and-play upgrade to factory coils, and provide greater energy output, ensuring a stronger and more consistent spark. The commonplace replacement of factory ignition coils with those...

Racingline Performance Carbon Intake System - Audi S4 / S5 (B9) - Racingline's latest Cold-Air Intake System kit for the current 'B9' Audi 3.0 TFSI enables cold, dense air from outside the engine bay to reach the fuel metering unit more efficiently for...