CTS Turbo Stage 1 Turbocharger Upgrade, Audi 4.0T C7 S6/S7/RS6/RS7 & D4 A8/S8

Unlock the full potential of your 4.0TFSI with the CTS Turbo Stage 1 turbocharger upgrade. These units bolt straight into the factory location on C7/C7.5 S6, S7, RS6, RS7 and D4 A8/S8 models, using your OEM exhaust manifolds and turbine housing connections - no fabrication required. A larger billet compressor wheel raises the power ceiling to 780+ hp, with 800+ hp achievable alongside the right supporting modifications. Brand new turbochargers - no core charge. Features Billet compressor wheel: 48.6mm inducer, 60-62.3mm exducer with extended tip, 9-blade design High-flow 9-blade turbine wheel Upgraded thrust bearings Bolt-on OEM fitment with the factory exhaust manifolds Fitment Audi C7/C7.5 S6 4.0T (2012-2018) Audi C7/C7.5 S7 4.0T (2013-2018) Audi C7/C7.5 RS6 4.0T (2013-2018) Audi C7/C7.5 RS7 4.0T (2013-2018) Audi D4 A8 4.0T (2013-2018) Audi D4 S8 4.0T (2013-2018) Requirements High-flow intake, inlets and exhaust, plus an upgraded cooling system Custom tuning is required - the Dyno Spectrum DS1 platform is the most popular choice All Audi TSB parts for turbo replacement must be installed for the warranty to apply. Proof of installation will be required for any warranty claim.