APR B5 S4 2.7T Stage III K04 Turbocharger System

Full Kit

Power, Drivability, Reliability: these three words sum up our Audi 2.7T K04 Stage III kit. APR's unique approach to product development brings together a product with the level of refinement that this car deserves.

APR has a history of developing high-quality turbocharger upgrade kits. Our 2.7T Stage III upgrade system continues this tradition. This product uses RS4 components, APR-designed components, and of course, APR-engineered engine management software calibrations.

This ultimate turbo system upgrade is now available for the 2.7T cars. This kit is capable of 447 horsepower and 467 foot-pounds of torque at the flywheel on 93 octane gas, while retaining stock-like drivability. The highlights of the kit include the following:

  • RS4 KO4 Turbochargers
  • RS4 MAF and Airbox
  • RS4 MAF to Turbo Inlet Plumbing and Y-Pipe
  • RS4 High Flow Fuel Injectors and Fuel Pump
  • All Associate Plumbing and Hardware
Dyno Dyno
This kit is no longer available. Software is available for $1,500 and is designed for the following Parts:
B5 RS4 MAF 077 133 471 KV
B5 RS4 Injectors 078 133 551 BJ
B5 RS4 Fuel Pump 8D0 906 087 AL
B5 RS4 Turbo (Right) 078 145 704 M (5304 988 0026)
B5 RS4 Turbo (Left) 078 145 703 M (5304 988 0025)
B5 RS4 Y Pipe 078 133 351 F
B5 RS4 Intake 078 133 837 BQ

APR Tuned

Phone: (800) 680-7921 Local Phone: +1 (334) 502-5181 Fax: (334) 502-5180 Address: APR LLC, 4800 US HWY 280 West, Opelika, AL 36801

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While we try to keep everything current, APR LLC is not responsible for errors in pricing on this web site. All prices are in USD and are applicable to the United States of America only.