4.0T Turbo Upgrade

4.0T RS7 Turbo Upgrade

Upgrade your Audi S6/S7/A8 to RS7 turbos without having to replace your entire turbo. HPA offers RS7 turbocharger cartridge and compressor housing upgrades to shorten installation time and save money! HPA’s solution is a natural power upgrade for Audi S6/S7/A8. Paired with the right fueling and tune, this package can deliver over 600HP and 600FT-LBS of torque. Own a RS7 or S8? This is a direct replacement for your failed OEM turbos!

Are you looking to replace your blown 4.0T turbos? Make sure you address the cause of the failure by performing the required Audi TSB and flush your entire engine oil system before start up!

HPA's performance program for the 4.0TFSI leverages our past 33 years of knowledge in building and tuning the VR6 and 2.0T platforms. The 4.0L BiTurbo TFSI engine was co-developed by Bently and has wide application in Audi's product line - found in the S6, S7, A8/S8, and RS7. With stock power ranging from 420HP 406ftlbs in the S6 to an impressive 560HP 516ftlbs in the RS7, the 4.0 TFSI has proven headroom and potential for power upgrades. Paired with an upgraded downpipe, tune, fuel, and cooling, this hardware package is capable of over 600HP / 600ft-lbs.

HPA Presents an upgrade path that will retain your OEM drivability and durability standards while unleashing the desired potential held within.