The 1999-2005 Porsche 911 combines iconic rear-engine performance, timeless design, and exceptional driving dynamics in a true sports car legend. Enhance your 911 with APR performance upgrades, including ECU tuning, intake systems, exhaust upgrades, turbocharger enhancements, and supporting hardware engineered to increase power, improve responsiveness, and maximize driving excitement.

APR’s software and tuning solutions deliver refined performance engineering—precision ECU and TCU calibrations, along with inline modules, that elevate power, transmission response and driving dynamics while maintaining the integrity of your European vehicle’s factory systems.