Thiscomplete drop-in upgrade will bolt up to any stock/stock-fit turbo and stock/stock-fit exhaust system, and can provide gains of up to 24WTQ and 27WHP on stock turbo tunes. We've seen gains of over 24WTQ and 27WHP on our dyno on stock turbo tunes. Fitment: 2009 - 2016 Audi A4 2.0 TFSI (B8/B8.5) 2008 - 2017 Audi A5 2.0 TFSI (B8/B8.5
ProductPage: APR 2.0 TFSI ECU Upgrade Audi B8.5 A4/A5/Q5 and A6 - Including Flex Fuel Engine APR’s ECU upgrade is available in octane-specific variations and is conveniently flashed to the vehicle’s factory ECU through the OBD-II port without any physical modification to the factory ECU.