Make sure you have all of the gaskets you need the first time! This complete kit features all of the gaskets you'll need to replace the K03 turbo in your A4 or Passat, or install a new K04 turbo. Complete with exhaust, oil, and coolant gaskets and...

Add Studs?:

No

Yes (add $4.50)

Add Manifold Removal Kit?:

No

Yes (add $39.26)

Add Cat Removal Kit?:

No

Yes (add $8.10)

Many said it would never happen, but APR is now proud to release our K04 upgrade kit for the B6 Audi A4 1.8T.Our kit includes the K04 turbo, the compressor inlet O-ring, three turbo to downpipe studs, one manifold to turbo gasket, four Bosch...

1.8T

APR announces the Stage III kit, the ultimate turbo system upgrade for the 2002-2005A4 1.8T. This kit is capable of 340 horsepower and 332 foot-pounds of torque at the flywheel on 93 octane gas, while retaining stock-like drivability. The highlights of...

Audi A4 B5/B6 1.8T

Longitudinal Motor (w/ Injectors)

Highlights of the APR R1 Diverter Valve Include: Diaphragm-Based Valve High-Temperature, Nomex-Reinforced Material for Extreme Durability Zero-Friction No Sticky O-Rings to Maintain and Grease No Pistons to get Stuck Consistent Performance Year...

The AWE Tuning K04 kit for the 1.8T consists of K04 turbo, AWE/GIAC software, 5.0 bar Bosch FPR, all gaskets, and Bosch spark plug set. This kit utilizes the larger K04 015 turbo, with our specially designed GIAC software, to good effect. This AWE...

Make/Model/HP

  00-01 Audi A4/VW Passat - 235hp 02-05 Audi A4/VW Passat - 250hp (+$306.00) 97-99.5 Audi A4/VW Passat - 235hp (+$45.00) 97-99.5 Audi A4/VW Passat - 247hp (+$334.00)

2002 - 2005

Kit highlights: All aluminum construction, including tubing, for maximum heat transfer Thick cast end tanks for maximum heat transfer Dyno tested end tank geometry for optimum flow No cutting or modification of front bumper support 4 ply silicone...