Audi MK2 TT APR Transverse 2.0 TFSI Valvelift K04 Turbocharger System
APR's Transverse 2.0 TFSI Valvelift K04 Turbocharger System will upgrade your current factory rated 211hp and 258lb-ft engine with all of the necessary OEM components from Audi TT-S and meticulously recalibrated Engine Management to produce 346 horsepower and 377lb-ft of torque on 93 octane gas.
Reliability, drivability, stealth and enhanced performance that cannot be bested are the highlights of APR's newest OEM-component based conversion package.
APR's engineers have expertly recalibrated the engine management system to allow for nearly flat torque delivery from 2000 RPM to 5000 RPM which results in a smooth linear pull throughout the power band. Keeping the track enthusiast in mind, this conversion package will not result in overpowering of the driveline but will allow for smooth acceleration to easily maintain control while cornering
The Borg Warner K04 turbocharger selected by VAG engineers is perfectly sized for the 2.0 liters of displacement to allow for stout horsepower numbers as the RPMs increase with no dramatic fall off as redline approaches. This ensures plenty of power in the high RPMs for continued acceleration in the straights and positioning at the healthiest portion of the power band after corner exit.
Compact, Stealthy & Reliable Design
One of the greatest benefits to the APR K04 turbocharger system is its simple, yet elegant design. APR's CNC machined direct compressor recirculation port on the OEM compressor cover significantly reduces engine bay clutter and saves the end user from the hidden costs of purchasing extra throttle body pipes, hoses, clamps and DV mounts for recirculating boost pressure. The compact design also removes extra charge piping volume to allow for lightning fast boost response and less locations for boost leaks. Furthermore, charge air pressure is directed directly at the compressor wheel which helps keep the turbo spooled upon lifting the throttle, minimizing turbo lag.
The OEM k04 turbocharger features a turbo muffler designed to reduce turbocharger sound in the cabin that also creates a restriction in the boost pressure delivery stream. APR removes the turbo muffler not only to enhance the sound of the turbocharger, but also to smooth the airflow across the previously baffled muffler section. A clean and simple CNC flange developed by APR's Engineering Team is bolted directly to the compressor cover in place of the OEM turbo muffler. A long mounting surface provides an excellent slip proof surface for mounting the silicon discharge hose and an o-ring between the flanges ensures a life of leak proof operation.
The 2.0T Valvelift engine requires a longer PCV outlet hose for proper connection to the APR K04 Turbocharger System. APR has developed a high temperature hose solution to ensure proper PCV routing on the Valvelift without headaches. The design is clean and simple and never requires maintenance. Just remember to pick up this extra part when ordering below.
Optional OEM Exhaust Compatibility
While an APR RSC Performance Exhaust System and APR high flow exhaust software is recommended for maximum power, if you're in a situation where running a high flow exhaust is not permissible APR has developed software specifically for use with your OEM exhaust system. You may switch between high flow exhaust software and OEM exhaust software free of charge at any time.
APR's Patented EMCS Technology
Featuring APR's Patented EMCS program switching functionality and DirectPort Programming, APR's Engine Management Calibration for this conversion package allows for a range of Octane and situation specific calibrations to be installed simultaneously on your vehicle's ECU. These programs and features are able to be cycled through via your existing factory cruise control and activated in less than 20 seconds. You will be able to choose 1 to 4 Programs listed below. You will also be able to add APR Security Lockout, APR Fault Code Erase and APR Anti-Theft features.
APR provides all hardware and software needed to ensure a complete install. All items which can be preassembled on the turbocharger come preassembled by APR. The APR K04 turbocharger system consisting of the following:
- APR EMCS Software
- APR Modified OEM K04 Turbocharger with Billet Compressor Wheel, Stainless Steel Exhaust Manifold, N75 Solenoid and Wastegate Actuator
- APR CNC Turbo Outlet Flange
- APR Turbo to Turbo Outlet Flange O-Ring
- APR Turbo to Turbo Outlet Screws (3x)
- APR Turbo Outlet Silicon Hoses
- APR Turbo Outlet Hose Clamps (2x)
- APR CNC Compressor Cover DV Mounting Flange
- APR Turbo to DV Mounting Flange O-Rings (2x)
- APR Turbo to DV Mounting Flange Screws (3x)
- OEM DV Mounting Screws (3x)
- OEM DV Mounting Screw Lock Washers (3x)
- APR Laser Cut PCV Port Cover
- APR PCV Port Cover Gasket
- OEM PCV Port Cover Screws (2x)
- OEM PCV Port Cover Screw Lock Washers (2x)
- OEM Turbo Manifold Gasket
- OEM Turbo Manifold Nuts (4x)
- OEM Downpipe Studs (4x)
- OEM Downpipe Nuts (4x)
- OEM Downpipe Gasket
- OEM EVAP Line One Time Use Hose Clamps (3x)
- OEM Oil Return Line Gasket (2x)
- OEM Oil Feed Line Washers (2x)
- OEM Coolant Feed Line Washers (2x)
- OEM Coolant Return Line Washers (2x)
Stealthy OEM Appearance
APR's S3 K04 Turbocharger Conversion System is constructed from OEM parts and appears OEM. It's easy to install and 100% reversible. Every OEM part is fully Plug and Play:
- Exhaust (Upgrade Highly Recommended)
- Intercooler (Upgrade Highly Recommended)
- Intake (Upgrade Highly Recommended)
- Diverter Valve
- Positive Crankcase Ventilation Lines
- EVAP Lines
- Coolant Lines
- Oil Lines
- Turbo Support Brace
Attention International Buyers! We cannot ship APR products internationally. We are authorized to ship products within the United States Only.
APR LLC is an automotive engineering firm operating a 36,000 sq. ft. performance campus in Opelika, AL. APR was founded in 1997 with a corporate philosophy of Integrity, Excellence and Innovation. APR's Sole Mission is to provide the highest quality and most highly engineered aftermarket performance products available for Porsche, Audi and Volkswagen vehicles.
APR, Enhancing the Driving Experience with No Compromise.
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