CTS Turbo BOSS 650 V3 is a completely redesigned turbocharger upgrade kit for MQB-platform vehicles. At its core is a Gen2 30/71 CHRA with a dual ball bearing and reverse rotation direction.
The housing is precisely cast and machined to be compatible with any exhaust downpipe. This enables fast boost response and eliminates potential flow restrictions. The factory wastegate system geometry is retained, simplifying software calibration. The turbocharger outlet measures 2.5″ and is positioned in the factory location, making it compatible with a 2.5″ turbocharger outlet pipe.
The kit includes an integrated wastegate actuator bracket, along with oil and water lines for factory fitment. It is designed for straightforward installation, tuning and reliable operation.
The BOSS upgrade is currently compatible with the CTS Turbo intake system. Another suitable aftermarket intake system can also be used, but it may require a different coupler. CTS Turbo and other billet diverter/blow-off valves are compatible, as is the factory DV valve.
Important: a 2.5″ turbocharger outlet pipe is required for installation and is not included in the kit.
The kit includes
- Gen2 30/71 CHRA with a dual ball bearing and reverse rotation direction
- CTS Turbo exhaust housing for installation in the factory location
- Integrated CTS Turbo wastegate actuator bracket
- CTS Turbo oil lines for factory fitment
- CTS Turbo water lines for factory fitment
- Cast CTS Turbo turbocharger inlet connection with a 3.25″ diameter
- All mounting hardware required for installation
Features
- Performance of up to 650 hp, depending on the fuel system and other engine modifications
- Direct fitment without vehicle modifications
- Compatible with the CTS Turbo intake system or an equivalent aftermarket system
- A 2.5″ turbocharger outlet pipe is required
- Compatible with any exhaust downpipe
- Calibrations are available for North American fuel systems and upgraded United Motorsport, COBB and Eurodyne systems
Technical data
- Weight: 18.14 kg
Suitable for: Audi A3 III (8V), Audi S3 III (8V), VW Golf VII (5G1).
Approval
This part has no TÜV certification (ABE, TTG or Teilegutachten).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Audi A3 | — | 2013–2020 | — |
| Audi S3 | — | 2018–2020 | — |
| Volkswagen Golf R | — | 2015–2020 | — |
| Volkswagen GTI | — | 2015–2020 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.
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