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BorgWarner AirWerks S400SX4 Turbo 1.32 A/R - 71mm 100/96 - 171701 aka S471X4



AR - Compressor Wheel
£ 940.93
excl. 20% VAT , plus shipping costs
£ 1,129.12
incl. 20% VAT , plus shipping costs
Stk
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Order within the next x hours x minutes x seconds and your package will arrive on 16.07.2025

BorgWarner AirWerks S400SX4 Turbo - 71mm 100/96

BW part number 171701

Genuine BorgWarner AirWerks turbocharger

Note: Currently, some compressor housings come without a logo! This is not a difference in quality! All components come directly from BW USA from the factory.

AirWerks S471SX4 turbochargers from BorgWarner Turbo Systems are dedicated aftermarket turbos for the performance sector. Proven line-produced parts (mostly from Schwitzer Turbo) are being combined to deliver high end tuning and motorsports performance while maintaining an ideal price/performance ratio.

The S400SX Series has been developed exclusively with the American sports compact class in mind. These turbochargers are even more focused on motorsports in terms of performance and drivability.

performance rating: 500 - 1050 HP
compressor housing: intake 127mm / pressure side 107mm V-Band flange
compressor wheel: inducer 71,08mm / exducer 100,08mm
turbine housing: 1.32 AR / header flange BorgWarner T6 Twinscroll (T6 divided) / turbine outlet BorgWarner V-Band
turbine wheel: inducer 96mm (exakter Wert ist 95,70mm) / exducer 88,05mm / external wastegate

- dual hydrodynamic journal bearing
- extended tip technology
- Twinscroll turbine housing
- adjustable orientation of compressor housing and turbine housing
- compressor housing with anti-surge ports (High-Flow)

Different A/R ratio?

If you order an AirWerks turbocharger and wish to have a different AR you have to order the corresponding turbine housing separately.
Video
Turbocharger selection made easy: Try our TurboGuide
What are the advantages of a turbo with ball bearings? Better than journal bearings? | Turbocharger simply explained
What does T25, T3, T4 flange mean? | Turbocharger simply explained
Which turbocharger is better? BorgWarner, Garrett or another one?
TwinScroll vs SingleScroll housing | Turbocharger simply explained
What does the A/R value mean - more power vs. response | Turbocharger simply explained
Internal and external wastegate + actuators | Turbocharger simply explained
What should I pay attention when installing a motorsport turbocharger?
Water cooling or oil cooling on the turbo | Turbocharger simply explained
Which oil restrictor do I need?
Extended tip technology on the compressor wheel of the turbocharger | Turbocharger simply explained

PDF
Borg Warner AirWerks S400SX4
Borg Warner Catalog 2017

Features
Accessory
-06 45° male adapter to -04 (1/4") NPT male -...
-06 45° male adapter to -04 (1/4") NPT male -...
-06 straight male adapter to -04 (1/4") NPT male -...
-06 straight male adapter to -04 (1/4") NPT male -...
Downpipe V-Band Outlet Clamp for Holset HT3B / HT60
Downpipe V-Band Outlet Flange for Holset HT3B / HT60 -...
Manifold flange T6 (GT4X / S400 / S500) - TwinScroll -...
Oil drain flange BorgWarner AirWerks S400SX / S400SX-E...
Oil drain flange BorgWarner AirWerks S400SX / S400SX-E...
Oil return adapter T3 / T4 - pipe short | BOOST products
Oil Return Adapter T3 / T4 / KKK Male Thread | BOOST...
Oil Return Adapter T3 / T4 / KKK with Female Thread |...
Oil return flange T3 / T4 pipe flexible - short version
Oil return flange T3 / T4 pipe flexible - short version
Oil return line gasket T3 / T4 / from GT37R
Silicone Coupler / 127mm / black
Silicone Reducer Straight, 127 - 100mm, black
Silicone Reducer Straight, 127 - 100mm, black
Turbo Blanket T5/T6 - black
Turbo Blanket T5/T6 - black
Turbo Blanket T5/T6 - lava
Turbo Blanket T5/T6 - lava
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