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TFI Power Box EFI Fuel Controllers

TFI Power Box EFI fuel controllers designed to adjust fueling for improved throttle response and stronger performance, especially when paired with aftermarket exhaust upgrades. Find the right TFI Power Box for your machine and dial in fueling for your setup.

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TFI Power Box - Honda CRF 250L (17-19)

TFI Power Box - Honda CRF 250L (17-19)

$514.42
All ATV Parts & Exhaust Honda ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Honda Rincon 680 (15-19)

TFI Power Box - Honda Rincon 680 (15-19)

$514.42
All ATV Parts & Exhaust Honda ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Honda Rancher 420 IRS (2014)

TFI Power Box - Honda Rancher 420 IRS (2014)

$514.42
1277
All ATV Parts & Exhaust Honda ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Yamaha YZ 450F (10-18)

TFI Power Box - Yamaha YZ 450F (10-18)

$514.42
1058
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers Yamaha ATV Exhaust Parts
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Suzuki LT-R 450 Quadracer (06-10)

TFI Power Box - Suzuki LT-R 450 Quadracer (06-10)

$552.40
1048
All ATV Parts & Exhaust Power Boxes and Rev Boxes Suzuki ATV Exhaust Parts TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris RZR 4 800 (2010)

TFI Power Box - Polaris RZR 4 800 (2010)

$552.40
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris RZR RS1 (18-21)

TFI Power Box - Polaris RZR RS1 (18-21)

$571.57
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Can Am Commander 1000 (11-13)

TFI Power Box - Can Am Commander 1000 (11-13)

$571.57
All ATV Parts & Exhaust Can Am ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris Ranger XP 900 (13-15)

TFI Power Box - Polaris Ranger XP 900 (13-15)

$552.40
1041
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Can Am Commander 800 (14-19)

TFI Power Box - Can Am Commander 800 (14-19)

$571.57
1207
All ATV Parts & Exhaust Can Am ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris RZR Trail S 1000 (16-23)

TFI Power Box - Polaris RZR Trail S 1000 (16-23)

$571.57
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Suzuki King Quad 450 (07-10)

TFI Power Box - Suzuki King Quad 450 (07-10)

$514.42
1047
All ATV Parts & Exhaust Power Boxes and Rev Boxes Suzuki ATV Exhaust Parts TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Honda Talon 1000X-4 (19-24)

TFI Power Box - Honda Talon 1000X-4 (19-24)

$571.57
All ATV Parts & Exhaust Featured Products Honda ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris Ranger XP 900 (16-19)

TFI Power Box - Polaris Ranger XP 900 (16-19)

$571.57
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
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TFI Power Box - Arctic Cat Wildcat Sport (15-17)

TFI Power Box - Arctic Cat Wildcat Sport (15-17)

$571.57
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Kawasaki Teryx 750 (09-13)

TFI Power Box - Kawasaki Teryx 750 (09-13)

$552.40
1031
All ATV Parts & Exhaust Kawasaki ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Redline Revolt (09-13)

TFI Power Box - Redline Revolt (09-13)

$571.57
1051
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
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TFI Power Box - Redline Riot (09-13)

TFI Power Box - Redline Riot (09-13)

$571.57
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris RZR XP 4 1000 (2014)

TFI Power Box - Polaris RZR XP 4 1000 (2014)

$571.57
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris RZR XP 4 1000 (15-23)

TFI Power Box - Polaris RZR XP 4 1000 (15-23)

$571.57
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris RZR XP 4 1000 (18-19)

TFI Power Box - Polaris RZR XP 4 1000 (18-19)

$571.57
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Arctic Cat Wildcat 1000 / X (15-17)

TFI Power Box - Arctic Cat Wildcat 1000 / X (15-17)

$571.57
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris RZR S 1000 (16-23)

TFI Power Box - Polaris RZR S 1000 (16-23)

$571.57
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Arctic Cat Wildcat Trail (14-17)

TFI Power Box - Arctic Cat Wildcat Trail (14-17)

$571.57
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Can Am Defender HD8 (16-22)

TFI Power Box - Can Am Defender HD8 (16-22)

$571.57
All ATV Parts & Exhaust Can Am ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Kawasaki Teryx 4 750 (12-13)

TFI Power Box - Kawasaki Teryx 4 750 (12-13)

$552.40
All ATV Parts & Exhaust Kawasaki ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Arctic Cat Wildcat 4 1000 / X (12-14)

TFI Power Box - Arctic Cat Wildcat 4 1000 / X (12-14)

$552.40
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Arctic Cat Prowler 700 (08-13)

TFI Power Box - Arctic Cat Prowler 700 (08-13)

$514.42
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Arctic Cat Thundercat 1000 H2 (08-13)

TFI Power Box - Arctic Cat Thundercat 1000 H2 (08-13)

$552.40
1015
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
*** This product is not ARB / CARB compliant and cannot be sold in the state of California. *** Increases horsepower and throttle response Installs...
TFI Power Box - Can Am Maverick Trail / Sport (19-23)

TFI Power Box - Can Am Maverick Trail / Sport (19-23)

$571.57
All ATV Parts & Exhaust Can Am ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Textron Wildcat 4X (2018)

TFI Power Box - Textron Wildcat 4X (2018)

$571.57
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Textron Wildcat X (18-19)

TFI Power Box - Textron Wildcat X (18-19)

$571.57
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Textron Wildcat XX (18-19)

TFI Power Box - Textron Wildcat XX (18-19)

$571.57
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Textron Wildcat XX (18-19)

TFI Power Box - Textron Wildcat XX (18-19)

$571.57
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Textron Wildcat X / LTD (18-19)

TFI Power Box - Textron Wildcat X / LTD (18-19)

$571.57
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Yamaha Wolverine X2 / R-Spec (2019)

TFI Power Box - Yamaha Wolverine X2 / R-Spec (2019)

$514.42
1285-1
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers Yamaha ATV Exhaust Parts
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Suzuki RM-Z 250 (10-18)

TFI Power Box - Suzuki RM-Z 250 (10-18)

$514.42
1060
All ATV Parts & Exhaust Power Boxes and Rev Boxes Suzuki ATV Exhaust Parts TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Textron Wildcat Trail (2018)

TFI Power Box - Textron Wildcat Trail (2018)

$571.57
All ATV Parts & Exhaust Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Arctic Cat Wildcat XX (18-19)

TFI Power Box - Arctic Cat Wildcat XX (18-19)

$571.57
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
TFI Power Box - Polaris RZR 4 900 (15-19)

TFI Power Box - Polaris RZR 4 900 (15-19)

$571.57
All ATV Parts & Exhaust Polaris Polaris ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...
Sold out
TFI Power Box - Arctic Cat 550 EFI (08-14)

TFI Power Box - Arctic Cat 550 EFI (08-14)

$514.42
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in minutes...
Sold out
TFI Power Box - Arctic Cat 450 EFI (11-13)

TFI Power Box - Arctic Cat 450 EFI (11-13)

$514.42
All ATV Parts & Exhaust Arctic Cat ATV Exhaust Parts Power Boxes and Rev Boxes TFI Power Box EFI Fuel Controllers
**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in minutes...
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