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The Turbo Engineers TTE360 Turbocharger - Audi 8N TT, VW Golf, Jetta, GTI, GLI 1.8T - New Turbo

The Turbo Engineers

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Introducing the pinnacle power stage while based on the original turbocharger the TTE360 performance turbocharger for the 1.8T. Offering an estimated 360PS with correct hardware & software, near Plug & Play Upgrade with the fantastic response and OEM reliability.

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.

Please note that if you choose to upgrade your existing turbocharger, it will have to be shipped out of the country. The typical turn around time for this turbocharger is around 30 days depending on what shipping options you use. Please click or tap here for more information on this process.

Engineered & Enhanced

TTE360 is an evolution from their TTE340 stage and is based on either your existing turbocharger or a brand new Genuine BorgWarner K04 turbocharger, that TTE dismantles and set about upgrading as Turbo Engineers.
To produce a TTE360 K04(K04 housings K16 turbine) upgrade turbocharger TTE uses a much larger TTE 7+7 billet compressor wheel, chosen because it is highly efficient. TTE  CNC Re-Profiles the compressor cover in-house to an optimised tight tolerance and finish to ensure maximum compressor efficiency is given. 7+7 Blade technology enables lower boost threshold giving the user faster spool-up at lower engine speeds while providing the high boost with much less heat for powerful top-end performance.

A key part of driving the large 7+7 compressor and in turn making this unit produce the huge power advantage overstock and also the other stages is machining and fitting a far larger but lightened BorgWarner K16 curved clipped turbine and shaft, while still keeping the K04 core, this is not so easy to do. This K16 turbine gives much lower back pressure and keeps EGT lower compared to stock K04 turbine or clipped stock.

TTE CNC re-profiles the exhaust turbine housing to an optimised profile and gap to take a larger K16 turbine and shaft TTE uses on this stage, this turbine is a Genuine BorgWarner item. TTE then lightens and gives the turbine a special curved clip of a specific amount. The clipping is a TTE grinding process to the turbine blade tips, curved to alleviate stress from the process. Clipping reduces the blade area, increasing gas flow and so reducing back pressure and lowering exhaust gas temperatures, allowing safer higher boost levels. This process also gives a secondary advantage of removing some mass. Lightening the turbine reducing rotational mass, improving moment of inertia, giving a faster response.

The intake to the compressor wheel is a CNC milled billet piece with 58mm Dia opening this gives a smooth transition from the intake pipework to the larger compressor to lower turbulence and maximise velocity. The boost discharge outlet is also ported to again smooth the transition to the boost pipework to reduce turbulence.

Attention is given to increase the standard exhaust port size(40mm approx). TTE CNC mills, porting the turbine housing exhaust and throat and entry size to approx 48mm diameter for maximum flow from an upgraded manifold and so improving efficiency to the bigger turbine used.

Special profile 360 deg high-performance TTE motorsport journal bearing is fitted, to remain durable at higher loads with no loss in transient response.

The actuator used is uprated sprung Genuine BorgWarner unit, fitted with TTE reinforced stainless steel clamps and hardware for trouble-free operation. This also can be modified and set to customer needs and specifications if required.


Precisely balancing TTE turbochargers is a key critical factor to become a TTE upgrade unit as longevity and performance are paramount. Good balance improves acoustics also. Subsequent great care is taken with all TTE turbochargers to achieving their balance standards. Firstly parts are balanced at slow speeds up to 2800RPM in multiple planes using the TTE single parts machine, then components are assembled and then the CHRA are dynamically balanced, but this time depending on the application at up to 250,000 RPM in multiple planes using the TTE in-house VSR machine to acquire the ultimate equilibrium, to a standard far higher than OEM. Each turbocharger is supplied with a serial numbered balance test result document.

Product Highlights:

  • Original BorgWarner K04-023 turbocharger as base part
  • Original BorgWarner Billet Milled compressor 7+7 BLADE
  • Original BorgWarner Larger High-Flow K16 Clipped Turbine
  • Plug and Play installation with bigger turbo intake
  • Proven TheTurboEngineers quality
  • 355 HP Capable
  • Single parts finely balanced then components assembled and core high-speed VSR balanced
  • Supplied with a balance test result document
  • Made in Germany


  • 1999-2006 Audi TT 1.8T
  • 1999-2006 VW Mk4 Golf, Jetta, GTI, GLI 1.8T
More Information
Brand The Turbo Engineers
Stock Type N/A
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