APR - Stage 3 GTX Turbo Kit - Transverse 2.0T TSI - Audi A3, Mk5 GTI / GLI 2008.5-2009, Mk6 GTI / GLI 2.0T, B6 Passat / CC
Building upon over a decade’s worth of experience with turbocharged Audi and VW engines, including over half a decade with direct injected engines, APR’s Engineers have taken the 2.0T FSI to ground breaking levels of performance without compromise.
Please note that the tuning software included in this kit must be installed by an authorized APR dealer. If you are in the northeastern US and would like to set up an appointment to have the software installed at one of our shops, please click or tap here to contact us.
APR is pleased to introduce the 2.0T FSI Stage III GTX Turbocharger System. Producing over 405 horsepower on 93 (R+M)/2 octane and 449 HP in racing configurations, Stage III GTX places the 2.0T FSI's accelerative performance in the same league as that of large V8 supercharged muscle cars and sub $400,000 exotic sports cars.
The new APR Stage III GTX Turbocharger System represents a large leap in technology over our previously available GT Turbocharger System. The new system’s response is much quicker, spooling hundreds of RPM sooner thanks to the latest in Garrett turbocharger technology and advancements in the ECU Upgrade. Further refinement of the fueling system increases the system's reliability and drivability. A substantial increase in horsepower and torque results in roughly a 30-50 HP gain in the area under the curve over the previous system. As you hear a new exotic growl from your exhaust system, expect exhilarating g-force levels sure to put a huge grin on your face!
Important note* While the hardware in this listing is compatible with your vehicle it is possible that the required tuning is not. To confirm ECU tuning is available for your car, your vehicle's ECU box code must be identified. If you own VAG COM, OBDeleven, Carista, or have access to factory VW/Audi diagnostic tooling, you can follow this guide to identify your ECU box code. You can also visit either New German Performance shop location and our staff will be happy to assist. The customer assumes all risk if this turbocharger purchased and installed without first confirming the required software is available. No returns are accepted for installed turbocharger kits.
Components:
At the heart of Stage III GTX Turbocharger System is a GTX2867R turbocharger, which is capable of flowing nearly 50 lbs/min of corrected air flow. This directly translates to large power gains on the 2.0 TSI that continue to grow all the way to redline. The GTX Turbocharger consists of the latest technologies from Le Mans’ winning turbo manufacturer, Garrett Honeywell, and has a track record of reliability and repeatability worthy of complementing an APR Turbocharger System.
The internally gated turbocharger features a fully-machined, ten-blade billet 49.7 mm compressor wheel, Inconel 53.9 mm turbine wheel and a dual ball bearing oil and water-cooled CHRA.
APR’s Engineers spent countless hours testing turbine inlet and A/R sizes in order to decrease turbocharger lag without negatively impacting peak power. Complementing the turbo’s lightning fast response characteristics is a newly developed anti-surge housing, which enables APR’s Calibration Engineers to deliver massive low-end torque without experiencing compressor surge.
Each turbocharger unit is assembled and clocked in house at APR with the necessary brackets to ensure proper wastegate fitment and orientation. Each wastegate is then calibrated for precise operation and control to ensure seamless integration with the expertly recalibrated OEM engine management system.
Turbocharger Manifold:
Attached to the turbocharger is APR’s investment-cast, super alloy, nickel-chromium-based Inconel 625 Manifold featuring APR’s Sequential Exhaust Pulse runner lengths. Unlike hand welded tubular manifolds and other cheap cast materials such as iron, Inconel is a very high temperature resistant material designed to withstand extreme exhaust gas temperature changes without expanding, contracting, melting or cracking under stress. Furthermore, the thick casting material reduces unwanted exhaust noise. This material is typically found only at the highest levels of professional motorsport racing where reliability is essential to success.
Each unit undergoes strict quality control checkpoints to ensure ultimate reliability each step of the manufacturing process. The unit is CNC machined to tight tolerances and inspected for defects before being packaged and shipped to customers around the world.
All of these characteristics result in a manifold designed without compromise backed by a confidence-inspiring lifetime warranty.
Manifold Absolute Pressure Sensor:
To provide closed loop boost control at absolute pressure levels above 2.5 bar, APR’s GTX Turbocharger System features an OEM Bosch 3 bar MAP sensor.
Altering the ECU to understand the engine is equipped with a 3 bar MAP sensor is a trivial task. The sensor and proper calibration settings come standard on many factory VAG vehicles, but even these vehicles only provide proper closed loop boost control up to 2.5 bar absolute.
Mass Airflow Sensor Housing:
The factory engine management relies on load calculations derived from the mass airflow (MAF) sensor to properly control the engine. All too often this critical component is eliminated from turbo upgrade kits as the factory unit is small and can easily become saturated. The alternative of upgrading the unit is often not used due to the complexity of doing so. However, no task is too large for APR’s Engineering Teams when the sake of reliability is brought into question, and as such APR has engineered a larger housing for use in the Stage III GTX Turbocharger System.
Silicone Hoses:
Wire reinforced, multi-ply silicone hoses provide an unrestricted path for airflow to enter and exit the turbocharger. The ultra rigid design ensures boost and vacuum piping will not swell or collapse causing leaks and restrictions in the induction and charge piping system supporting boost response and turbo recovery. Each hose is engineered to fit properly into the vehicle's engine bay with all necessary emissions and reference ports securely affixed.
Oil and Coolant Lines:
APR’s oil and coolant lines are specific to the APR Stage III GTX Turbocharger System and provide years of leak free operation. The lines feature a flexible braided stainless steel construction with CNC mandrel bent hard-lines for specific and clean routing as if intended by the OEM. Every detail is important, and APR goes the extra mile to ensure any possible weaknesses are eliminated.
Downpipe:
The new cast design offers a smoother flow path for exhaust gasses exiting the turbo, with several advances in terms of quality, fitment and more. The system is cast from 304 stainless steel, with a high quality, low profile flex section, thick billet bracket, integrated o2 bung and bracket, and beautiful argon-back-purged TIG welding. The system also includes a new replacement gasket and nuts.
Diverter Valve Housing and Wastegate Solenoid Bracket:
The factory turbocharger features a diverter valve (DV) and wastegate solenoid (N75) directly mounted on the compressor housing, which is removed for the more powerful APR Stage III GTX Turbocharger Unit. As such, APR provides a CNC-machined billet-aluminum DV housing and CNC-bent N75 bracket to conveniently relocate these items within the engine bay.
Gaskets:
APR doesn’t cut corners even with the most mundane details of the kit. Every nut, bolt, stud, washer, clamp, and gasket necessary for the install is included with the kit.
Spark Plugs:
To cope with raised cylinder pressure and temperature, four NGK Laser Platinum Premium plugs are included. The plugs operate at a heat range colder than stock, which results in better pre-detonation resistance under extreme conditions. With these spark plugs in, APR’s calibration engineers were able to safely achieve more power, especially in extremely demanding conditions.
Required Components:
Intake System:
The Carbonio TSI Stage I intake is required.
Exhaust System:
The APR Midpipe Exhaust System is required if the vehicle is not currently equipped with the APR Downpipe Exhaust System or APR Turboback Exhaust System. APR Recommends the APR Catback Exhaust System for maximum performance.
Intercooler System:
The APR Intercooler System is required to meet the advertised power figures.
Transmission:
The APR Stage III GTX Turbocharger System greatly increases torque over the factory output levels and as such, an upgraded clutch may be necessary to transmit power to the ground. APR highly recommends upgrading the factory clutch to one that suits the operator's intended driving style. NGP offers several South Bend clutches for use in this application. Please feel free to contact us with any clutch related questions.
Engine Internals
For increased reliability and longevity, especially on vehicles running race fuel and heavily tracked, APR recommends APR Connecting Rods and APR Mahle Pistons.
Oil, Coolant, and Oil Filter options
An oil change service is required at the time of installation to ensure proper break-in of the turbocharger. A complete Liqui Moly oil change kit containing all of the items necessary to perform an oil change service on your vehicle is available as an option above.
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