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Tuning Management

$329.00
VisionAir - TRX450R V5 Carbon Fiber Intake Kit:  Introducing the revolutionary V5 Intake system for the TRX450r!  Featuring a 100% Carbon...

$251.00
Honda TRX450R  2004 to 2005 Intake System Includes: Transition Ring Outerwear 8 ply filter Rubber Booty for stock carb...

$799.95

The result is more power, better power, easier starting and ultimately faster lap times. This unit comes pre-programmed with 10 Performance Fuel & Spark timing maps as well as having 3 additional switches for user trimming (adjusting) of Fuel in Lo, Mid and Hi throttle openings.



$99.00 $94.05
Quickshot 2 Accelerator Pump fills the pump chamber with fuel, and provides instant fuel delivery, eliminating hesitation and bog.
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$89.00
DynoJet offers a wide range of kits to fit any application. Several jets come in each kit can be applied to your specific needs. Whether your running an...

$32.95
Why continue burning your fingers, attempting to adjust a rigid fuel screw? Or worse, deal with fuel screws that vibrate loose while riding. R&D introduces...
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$119.95 $113.95
Stock accelerator pump covers permit only a 60% - 70% fuel charge in the pump chamber. Turn the throttle and air trapped in the chamber is compressed...
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$249.95
The new Dyna Fuel Injection Controller is a plug in module that offers 3 user selectable base fuel curves that are designed to improve engine operation and...

$249.95
The Power Bowl is a complete float bowl , accelerator pump, and fuel supply system for the Kehin FCR carburetor. It keeps fuel from sloshing away from the...
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$179.95 $170.95
Hot engine starting is no longer a problem for all Keihin FCR Carbs. The patented performance of the proven quickshot system, now with adjustable leak jet...
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$129.95 $123.45
Boyesen Power Wing Highlights: INCREASES horsepower and torque in 2-stroke, 4-stroke and 85cc engines AERODYNAMIC design maximizes velocity...

$0.00
K&N
The least restrictive filter element you can buy. K&N Filters have won more Baja races than all others combined . If your concerned about dust and mud build...

$150.00 $141.00
K&N
Replaces stock airbox lid . Snaps in place, no air box modifications required. Increases airflow while maintaining the stock air box. Eliminates restrictive...

$89.00
Magnum jet kit includes: pilot jets  main jets Magnum custom needles

$17.95 $16.87
K&N
Dust and water repellent, outerwears pre-filters extend the life of your filter by providing additional protection though a special microfiber polyester that resists dirt, water, and debries.

$0.00
Pro Design K&N Filter Kits replace your faulty stock and restrictive air filter and adaptor to give you the performance you want. Your filter can now...

$142.95
The Power Pump is an accelerator Pump cover that features an adjust able leak jet, allowing you to make easy changes with a screw driver even while the...
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$9.95 $9.35
Uni
This filter vent is made for added air flow in your ATV or MX bikes air box. Great for racers and weekend warriors alike! Sold in pack of 6.

$19.95
If your are a new four stroke owner do yourself a favor and get one of these. It makes adjusting the fuel mixture a breeze and it's a must to have the fuel...
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$139.95 $131.55
Intimidator Filter Kits replace your faulty and restrictive stock air filter and adaptor to give you the performance you want. Includes a billet aluminum...

$249.99 $212.49
FMF EFI Programmer Features: Pre-programmed with best settings to compliment FMF Exhausts Stand alone programming compatibility if needed - no...

$150.00
RD
These High Precision Brass carburetor jets are available in dealer selection kits. Mikuni Hex 2 pcs each size. 70 through 230 and 240 through 500 and Keihin...

$19.95
Allows “No tools” tuning to obtain crisp, clean, positive off idle throttle response. CNC’d 7075 T-7 billet aluminum to precision tolerances. “EZ Dial”...
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$220.58
The TFI features simple plug & play installation along with quick and easy adjustment. No need for computers and complex maps, just a screwdriver. Uses...

$259.95
The exclusive DMC Fuel Map optimizes air/fuel ratio at all RPMs for maximized throttle response and horsepower. The DMC EFI Control unit offers more advanced...

$39.95
The DMC Power Chip clips into the LT-R450 diagnostic plug and increases the RPM ceiling by 1000 RPM. It also reduces the stock fuel map restrictions to maximize engine performance.

$39.00 $36.66
Every Twin Air Filter is constructed from two layers of open-power foam that are bonded together to provide maximum filtration and superior airflow. A...

$129.95
Don't let the stock set-up rob you of power and engine reliability, these kits eliminate

$35.95 $33.79
Don't let the stock set-up rob you of power and engine reliability, these kits eliminate

$299.95
Fuel Injection is a step forward but stock mapping is just that, stock mapping. If racers choose to modify their ATV or bike, the stock fuel map needs to be...

$14.95 $14.05
Maxima ProFilter Air Filters Improves airflow and Horsepower Dual stage open foam matrix Pre-Oiled with Maxima Spray Dyno Tested and race...

Minimum quantity for "Maxima ProFilter Air Filters" is 1.


$620.00
Features: Plug in stock wiring harness Use a manual idle control valve for a precise idle 45mm bore give instant power gain across the...

$350.00
Increases throttle response Works great on stock or modified engines Air fuel tuning necessary Works with or without the OEM airbox...

$175.00
The new YFZ450R GNCC-style airbox from FCI improves the seal, keeps debris away from the filter, and houses the relay, and battery using factory hardware....