APR

This is the perfect intake upgrade for the Audi A4 and A5 (B9) with the 2.0T EA888 Gen 3 and Gen 4 engines. It flows 46% more than stock, reduces p...

Complete your APR EA855 2.5TFSI intake system with the CI100069 Airbox engineered specifically for vehicles already equipped with the APR Turbo Inl...

The APR Catback Exhaust System personalizes your vehicle's looks, sound and performance. Beautifully hand-crafted T304-stainless-steel components a...

The APR Intercooler System is a massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and prov...

Adding the optional APR Intake Filter completely transforms the APR Turbocharger Inlet System from subtle to extreme. Our massive 9" long cotton fi...

For the DIY customers looking to adapt our inlet system to other intake setups, we offer the Carbon Fiber Back Tube and Cast Aluminum Turbo Inlet s...

The APR Turbocharger Inlet System outflows the factory components by up to 45%, and jumps to 60% when adding the APR Intake Filter. This is firstly...

In addition to the boost tap, APR provides several extra components to help suit each individual's needs. For those requiring more than one referen...

APR's 2-Piece Design Explained: As is true with all machined parts, it's impossible to make all parts the same. In the case of the turbo muffler ho...

The 2.5T intake manifold has a couple different versions form the factory including a solid black plastic cover plate and a carbon fiber cover plat...

The APR Air-to-Water Intercooler System for the B9 RS4 / RS5 2.9T EA839 offers a substantial leap in performance that directly translates to more h...

The APR Catback Exhaust System personalizes your vehicle's looks, sound and performance. Beautifully hand-crafted T304-stainless-steel components a...

By replacing the factory-stamped aluminum brace with a high-strength tubular chromium-molybdenum alloy steel system, we significantly increase stru...

This is the ultimate intake upgrade for the Audi RS4 and RS5 (B9). It flows 36% more than stock, reduces pressure drop, and improves linearization ...

This is the ultimate intake upgrade for the Audi S4 and S5 (B9). It flows 31% more than stock, reduces pressure drop, and improves turbocharger eff...

Introducing the APR Full Intake System for the Audi S4 and S5 (B9) 3.0T EA839APR is proud to unveil the Full Intake System for the Audi S4 and S5 (...

The APR Intercooler System is a massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and prov...

The APR Rear Catback Exhaust System for your Audi B9 SQ5 introduces a deeper and more aggressive growl to your vehicle’s exhaust note. The system i...

The APR Midpipe Exhaust System for your Audi B9 SQ5 introduces a deeper and more aggressive growl to your vehicle’s exhaust note. The system is a d...

The APR Intercooler System is a OEM-location upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides incr...

The 2.9T and 3.0T EA839 engine shares a beautiful engine cover platform, but only some of the RS models are upgraded with carbon fiber accents mixe...

The APR Full Intake System is perfect for Audi enthusiasts seeking the ultimate intake upgrade. Unlike others that address only a portion of the in...

Our premium cat-back exhaust system for the 992.1 Porsche Carrera (911) 3.0L models is a full T304 stainless steel system with quad exits. It featu...

The primary goal is to increase the volume of fuel available, which will keep fuel pressure steady even in the most demanding of situations!High qu...