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Home | 05-10 Mustang | Superchargers | 2005-10 Whipple Superchargers and Upgrades | Brenspeed 4.0L Whipple 2.3L Roush TVS Upgrade (2005-10 Mustang)

Brenspeed 4.0L Whipple 2.3L Roush TVS Upgrade (2005-10 Mustang)

Item Number:Bren4L3VUpgrade
Market Price:$10,828.86Our Price:$9,499.00
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  • Description
  • Reviews

Brenspeed Custom 4.0L Whipple Upgrade for Roush TVS Supercharger Kit (2005-2110 Mustang).

If your 2.3L Roush TVS is not going to provide you with the power you are looking for we have the answer.  Introducing our Brenspeed 4.0L Conversion!

Capable of well over 20 psi of boost with proper supporting mods, this conversion is capable of over 1000 flywheel HP.  Our kit includes the required components to convert your Roush 2.3L supercharger to the LARGE Whipple 4.0L.

Included in our kit:
  • Whipple 4.0L W245HPR compressor*
  • 8 Rib Conversion
  • 15 psi supercharger pulley included as your base pulley
  • 8 Rib SFI approved crank pulley (stock size or you can upgrade to an overdrive pulley)
  • 4L Whipple Conversion Kit that includes necessary brackets, pulleys, etc...
  • K-Member Spacing Kit
*Lowering motor mounts required to fit under most stock hoods

*This is a tuner kit.  Injectors, fuel system, throttle body, and air induction not included.  OEM Roush Throttle Body, air intake, injectors and fuel rail will work but are not optimized for max horsepower or recommended at this power level.

Contact our Brenspeed Service Center for an Installation quote by calling 574.594.9559 or emailing

Ordered the cold air and tuner combo. Best tune I have had. Really woke up my 5.0

- C. Faulkner

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