The RacingLine RacingLine PCM / Audi 8Y RS3 / NAR / DXHA (Part #VWR030001-RS38Y) is a premium performance product from RacingLine. This precision-engineered performance control module delivers optimized engine mapping for increased power and torque. The software has been developed through extensive testing to ensure reliable performance gains while maintaining engine safety margins. Features plug-and-play installation with no permanent modifications to your vehicle's ECU. Backed by RacingLine's comprehensive warranty and technical support.

Applicable to:
- Audi S3 8Y
- Audi RS3 8Y