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CTS Turbo C7/C7.5 Audi A8/S6/S7/S8/RS6/RS7 4.0T STAGE 1 Turbocharger Upgrade

CTS Turbo C7/C7.5 Audi A8/S6/S7/S8/RS6/RS7 4.0T STAGE 1 Turbocharger Upgrade

CTS TURBO
Availability:
in stock, ready to be shipped
SKU CTS-TR-0410
$1,799.99 - $1,799.99
$1,799.99
$1,799.99 - $1,799.99
$1,799.99
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

CTS Turbo is proud to announce our Stage 1 turbocharger upgrade for 4.0T Audi C7 A8/S6/S7/S8/RS6/RS7 These are a direct replacement for A8/S6/S7/S8/RS6/RS7 turbos. These have OEM fit to your factory turbine housing and exhaust manifold. Our turbocharger upgrade features a larger compressor wheel giving your 4.0T a power capability of 780+ horsepower Note: All TSB parts for turbo replacement have to be installed; otherwise warranty will not be applicable. Proof will be required. NO CORE CHARGE, THESE ARE BRAND NEW TURBOCHARGERS. Features:
  • Billet compressor wheels, 48.6mm inducer, 60mm-62.3mm exducer with extended tip (9 blade configuration)
  • Ultra high-flow exhaust wheel, (9 blade configuration)
  • Upgraded thrust bearings
  • Bolt-on fitment with existing exhaust manifolds
  • Perfect upgrade for all 4.0T owners who are looking for 800+ hp (with supporting mods)
Fitment:
  • Audi C7 S6 4.0T
  • Audi C7 S7 4.0T
  • Audi D4 A8 4.0T
  • Audi C7 RS6 4.0T
  • Audi C7 RS7  4.0T
  • Audi D4 S8 4.0T
**High-flow intakes, inlets and exhaust and upgraded cooling system are required. Custom tuning is required, most customers prefer Dyno Spectrum DS1 tuning platform.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 12 applications
S6
Make Model Engine Years
AUDI S6 2012–2018
AUDI S6 (C7) 2012–2018
RS6
Make Model Engine Years
AUDI RS6 2013–2018
AUDI RS6 (C7) 2013–2018
RS7
Make Model Engine Years
AUDI RS7 2013–2018
AUDI RS7 (C7) 2013–2018
S7
Make Model Engine Years
AUDI S7 2013–2018
AUDI S7 (C7) 2013–2018
A8
Make Model Engine Years
AUDI A8 2013–2018
AUDI A8 (D4) 2013–2018
S8
Make Model Engine Years
AUDI S8 2013–2018
AUDI S8 (D4) 2013–2018

Fitment data last updated: 2026-06-26