APR Tuned Stage III Power Upgrade Audi S4 2.7T 6spd 00-02

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

Components

Bag 1
- (1) Left Upper Inlet Hose
- (1) Left Adaptor Boot
- (1) Adaptor Boot to Y-Pipe Clamp
- (1) Inlet Hose Connector Boot
- (2) Inlet Hose Boot Clamp
- (1) Inlet Hose to Adaptor Boot Clamp

Bag 2
- (1) Left Upper Inlet Hose
- (1) Left Adaptor Boot
- (1) Adaptor Boot to Y-Pipe Clamp
- (1) Inlet Hose Connector Boot
- (2) Inlet Hose Boot Clamp
- (1) Inlet Hose to Adaptor Boot Clamp

Bag 3
- (1) MAF Y-Pipe Flex Hose
- (2) Hose Clamps

Bag 4
- (1) Mass Airflow Housing with Sensor
- (2) Stainless Steel Screws for MAF

Bag 5
- (6) Fuel Injectors
- (6) Fuel Injector Spacers
- (6) Fuel Injector O-Rings
- (6) Fuel Injector Clips

Bag 6
- (6) Turbo to Manifold Bolts
- (4) Thick Copper Gaskets
- (4) Thin Copper Gaskets
- (4) Aluminum Washers
- (2) Turbo to Manifold Washer
- (8) Turbo Studs
- (2) Downpipe Gaskets
- (4) Oil Return Line Gaskets

Bag 7
- (1) Left Lower Inlet Pipe
- (1) Inlet Pipe O-Ring

Bag 8
- (1) Right Lower Inlet Pipe
- (1) Inlet Pipe O-Ring

Fuel Pump
- (1) RS4 Fuel Pump

Inlet Pipe
- (1) RS4 Y Pipe

Airbox
- (1) RS4 Airbox

Turbochargers
- (1) Right Side Turbocharger
- (1) Left Side Turbocharger