520HP Performance Package — Audi RS3 8V/8Y & TTRS 8S

A complete horsepower package for the 2.5L turbo Audi RS3 8V, RS3 8Y, and TTRS 8S, combining a race downpipe, CEL delete kit, and JB4 tuner to unlock up to 520 horsepower.

Complete Kit Includes:

• Race downpipe — 304 stainless, laser-cut flanges, retains OEM O2 sensor placement
• CEL delete kit — calibrated O2 sensor spacers
• JB4 tuner — plug-and-play, preloaded maps, CANbus OBDII integration, 5-year warranty

Installation: Downpipe is a direct bolt-on; JB4 tuner is plug-and-play. E30 blend or 100-octane fuel (and possibly a fuel system upgrade) required to reach peak figures.

Fitment:

• 2021+ Audi RS3 8Y 2.5T EVO — Stock 400 HP, Package 500–520 HP
• 2018+ Audi RS3 8V 2.5T EVO — Stock 394 HP, Package 500–520 HP
• 2018+ Audi TTRS 8S 2.5T EVO — Stock 394 HP, Package 500–520 HP