ATV Fuel Management Systems

Powersports Fuel Management Systems
  • Dynatek® - Dyna Fusion EFI Fuel and Ignition Controller
    Dynatek®Dyna Fusion EFI Fuel and Ignition Controller
    0
    # sp179062
    Dyna Fusion EFI Fuel and Ignition Controller by Dynatek®. Available for most Harley-Davidson, Sportbike, Metric Cruiser, and Off Road vehicles, the New Dynatek Fusion EFI uses RPM and throttle position inputs to base fuel adjustments...
    Allows +/-20 degrees of timing adjustmentAdjust timing per cylinder
    $349.99 - $414.08
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box
    1
    # sp174343
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $269.99 - $329.99
  • Procom® - PowerJet Fuel Controller
    Procom®PowerJet Fuel Controller
    1
    # sp161565
    PowerJet Fuel Controller by Procom®. Most fuel injected engines run very lean and this is fine except for when demanding maximum power output on the track, especially when you have sport exhausts installed. Being able to simply adjust...
    Created by professionals to meet your requirementsManufactured with cutting-edge technology
    $111.98
  • HMF Racing® - Gen 3/3.5 Fuel-Injection Optimizer
    HMF Racing®Gen 3/3.5 Fuel-Injection Optimizer
    1
    # sp178059
    Gen 3/3.5 Fuel-Injection Optimizer by HMF Racing®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Pre-Programmed with the best settings for your HMF exhaustPush Button Interface Unique load based technology
    $204.98 - $332.45
  • Dynojet Research® - Power Commander V
    Dynojet Research®Power Commander V
    0
    # sp179071
    Power Commander V by Dynojet Research®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Made to the highest quality standardsReady to serve reliably for years to come
    $406.92 - $433.70
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R57D)
    0
    # mpn4634765884
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R54S)
    0
    # mpn4634765882
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $329.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R54G)
    0
    # mpn4634765880
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R54E)
    0
    # mpn4634765879
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R50F)
    0
    # mpn4634765875
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R50A)
    0
    # mpn4634765873
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R63)
    0
    # mpn4634765721
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R57G)
    0
    # mpn4634765718
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R57E)
    0
    # mpn4634765717
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R57B)
    0
    # mpn4634765715
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R57A)
    0
    # mpn4634765714
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R56C)
    0
    # mpn4634765713
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R56B)
    0
    # mpn4634765712
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R54R)
    0
    # mpn4634765708
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R54Q)
    0
    # mpn4634765707
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R54N)
    0
    # mpn4634765706
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R54J)
    0
    # mpn4634765703
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R54C)
    0
    # mpn4634765700
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R54B)
    1
    # mpn4634765699
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R53A)
    0
    # mpn4634765697
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R53)
    0
    # mpn4634765696
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R52H)
    0
    # mpn4634765695
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R52E)
    0
    # mpn4634765692
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R52C)
    0
    # mpn4634765691
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $318.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust®TFI Power Box (40-R52B)
    0
    # mpn4634765690
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $296.99




It is no secret that the performance of a piston engine greatly depends on accurate fuel supply. When it comes to the electronic fuel injection system, its settings have to be adapted to constant engine characteristics (displacement, compression ratio, the presence of a forced induction system, exhaust configuration, and some others) and several variable parameters such as the positions of the crankshaft and throttle, air rarefaction in the intake manifold, and signals coming from the oxygen sensor. Once any of the constant factors are changed due to engine modifications, it’s recommended to reconsider fuel supply and, probably, change its adjustments.

Aftermarket fuel management systems offer you such an opportunity in several different ways. Some of these devices are electronic engine controllers that can work instead of the stock ECU with or without the O2 sensor, others operate together with the factory or aftermarket engine control module allowing you to enrich or lean the mixture in different working modes and at various RPMs. Many models come with a wideband oxygen sensor enabling you to tune the system in the most accurate way. In our online store, you will find advanced fuel controllers and related electronics for different tastes and budgets.

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