APR’s cold air intakes embody European performance engineering—precision-crafted carbon-fiber airboxes, silicone plumbing, and high-flow filters designed to let your engine breathe freely, respond quicker, and deliver enhanced performance and induction sound on VW and Audi vehicles.

APR’s ignition upgrades deliver refined European tuning enhancements — direct-fit high-output coils and Iridium spark plugs engineered for stronger, more consistent combustion and designed for boosted VW, Audi and Porsche engines.

Reference boost and vacuum for a gauge, or other reasons, with ease.

Keep your engine's internals clean!

APR’s diverter valves embody the highest standard of boost control engineering — precision-machined billet construction paired with a Nomex-reinforced diaphragm design, delivering faster response, zero piston-stiction and reliable performance even under extreme boost demands.

High performance upgrades for your engine.

When the need arises for more fuel, we have you covered with our various upgrades!

Monitor your engine's performance with ease.

APR turbocharger systems represent the pinnacle of European-engineered performance—precision bolted solutions that unlock major power gains without compromise. With direct-bolt fitment, matched ECU calibration and high-flow hardware, you’ll elevate your vehicle’s potential, responsiveness and driving experience.