The 2022+ Audi S3 delivers enhanced turbocharged performance, advanced technology, and legendary quattro traction in a compact sport sedan package. Enhance your S3 with APR performance upgrades, including ECU and TCU tuning, intake systems, intercoolers, exhaust upgrades, turbocharger enhancements, and supporting hardware engineered to maximize horsepower, responsiveness, and 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.