SKU: 87692438085

BNR Mazdaspeed3/6 S3 Turbocharger

Sale price$540.00 Regular price$600.00
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

BNR Mazdaspeed3/6 S3 TurbochargerBNR S3V4 Turbocharger Upgrade The BNR S3 version 4 turbocharger has a 2. 36 inlet and works with most all the aftermarket turbo inlet tubes. All the tuners like using an aftermarket boost control solenoid with a single barbed wastegate actuator. The S3s compressor wheel is rated for 46 lb min air flow. Weve had countless customers dyno 360 400 WHP with the S3. The S3 will max the factory fuel system with the upgraded fuel pump internals at 360 370

BNR S3V4 Turbocharger Upgrade

The BNR S3 version 4 turbocharger has a 2.36” inlet and works with most all the aftermarket turbo inlet tubes.   All the tuners like using an aftermarket boost control solenoid with a single barbed wastegate actuator.  The S3’s compressor wheel is rated for 46 lb/min air flow.  We’ve had countless customers dyno 360-400 WHP with the S3.  The S3 will max the factory fuel system with the upgraded fuel pump internals at 360-370 WHP.  If you don’t plan on axillary methanol injection, the s3 is what you need!  Here is what you get with the S3 turbocharger upgrade!

  • GT28 Turbine wheel
  • 2867 Gen 2 point milled compressor wheel (46 lbs/min flow rate)
  • High Performance 360 thrust assembly
  • Rear journal bearing oil deflector (Diverts oil away from the turbine seal)
  • High Performance turbine seal
  • VSR balanced CHRA (Center Housing Rotating Assembly)
  • BNR compressor housing upgrade
  • BNR .63 a/r turbine housing with 27mm wastegate port
  • Upgraded wastegate actuator (set at 15-16 psi)
  • All stainless hardware
  • 5 Layer stainless MLS turbine inlet/outlet gaskets
  • (9) M10 1.5 exhaust studs
  • (9) M10 1.5 stainless nuts/washers
  • Extended stainless water line (firewall side)
  • (4) 14mm copper washers
  • (2) 12mm copper washers
  • (2) Oil return gaskets
  • 1 year warranty!

 

BNR Supercars specializes in the Mazdaspeed3 and Mazdaspeed6 turbochargers. 

Peak numbers are not what we are into.  We like designing turbocharger upgrades that produce maximum under the curve power and torque.  It makes these cars much more responsive and fun to drive on the street.  When you get greedy and go for that peak number, it kills the bottom and mid-range torque.   No bottom end torque makes the engine not as responsive for autocross/road racing and in BNR's opinion not as fun to drive!

These engines are doing very well handling 400-450 WHP with the stock bottom end.  Most people looking for a reliable replacement over the stock smoking KO4 usually go for the S1 or S2 turbocharger models since a tune isn’t required.  If your car is fully bolted with high performance fuel pump internals we suggest an S3 with a tune.  Fully bolted with added methanol injection go with the S4 and a tune.   Stock engine internals, don’t even think about doing an S5 or S6!

*Divorced down pipes do not work with BNR turbocharger upgrades!  If they are used, the wastegate valves will not open properly causing extreme high boost problems!*

*Built engines need a custom oil supply line for turbocharger protection!  Click link for details!*

Mazdaspeed 3/6 Custom Oil supply line “Built engines only”

*S5 and S6 model turbochargers to cover the cost of the custom oil drain line! 

*Please note, turbos may ship directly from BNR, so please allow extra time for the turbo to be built and delivered.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 87692438085

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