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TFI Power Box EFI Tuner - 40-R52E

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TFI Power Box EFI Tuner - 40-R52E

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MSRP: $269.99

Price: $224.99 17% off!
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Big Gun TFI Power Box EFI Tuner - 40-R52E
  • Increases horsepower and improves throttle response
  • Installs in minutes
  • Third generation technology
  • No computer needed to adjust EFI
  • Plug-in technology (does not interfere with stock ECU map)
  • Integrated faceplate buttons provide easy adjustment
  • Highly recommended for any EFI unit with aftermarket exhaust

Included Items:

(1) EFI tuner powerbox with wiring harness and (1) 2-pin female connector, (1) 2-pin male connector, and (1) ring terminal
(1) 4-Pin male O2 connector
(3) 5-34/" Cable ties
(1) 1-1/2" x 1-3/4" Hook and loop tabs with adhesive backing

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Part #: 2010442
Mfg #: 40-R52E
Type Fuel Injection Module
Units Each
Weight 0.35 lbs
Resources & Manuals
Fitment for Big Gun TFI Power Box EFI Tuner - 40-R52E

Part 2010442 fits the following machines

  • TRX500FA5 Foreman Rubicon 4x4 2015-2018
  • TRX500FA6 Foreman Rubicon 4x4 EPS 2015-2018
  • TRX500FA7 Foreman Rubicon 4x4 EPS Deluxe 2015-2018
  • TRX500FM5 Foreman Rubicon 4x4 2015-2016
  • TRX500FM6 Foreman Rubicon 4x4 EPS 2015-2017
  • TRX500FM7 Foreman Rubicon 4x4 EPS Deluxe 2015-2016


Reviews & Questions
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How much HP does this add?
Roach on Mar 19, 2018
BEST ANSWER: Sorry, we don't have dyno specs.
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