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.