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Tuning Management

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FCI GNCC-Style Airbox Only
$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....
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YFZ450R
RP Race Intake Kit
$350.00
Increases throttle response Works great on stock or modified engines Air fuel tuning necessary Works with or without the OEM airbox...
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RP Race Throttle Body
$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...
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Maxima ProFilter Air Filters
$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.

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Twin Air Replacement Power-Flow Air Filters
$35.95 $33.79
Don't let the stock set-up rob you of power and engine reliability, these kits eliminate
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Dr D Mod Box
$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...
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Twin Air Power-Flow Kits
$129.95
Don't let the stock set-up rob you of power and engine reliability, these kits eliminate
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Twin Air Air Filters
$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...
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DMC Power Chip
$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.
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DMC EFI Control Unit
$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...
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Works Connection Fuel Screw
$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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Dobeck Fuel Controller
$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...
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RD Precision Main Jets
$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...
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Magnum Intimidator Filter Kit
$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...
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FMF EFI Programmer
$249.99 $212.49
FMF EFI Programmer Features: Pre-programmed with best settings to compliment FMF Exhausts Stand alone programming compatibility if needed - no...
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Magnum Fuel Mixture Screw
$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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Uni Filter Air Box Vents
$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.
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Keihin-FCR Power Pump
$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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Pro Design K&N Filter Kit
$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...
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K&N Outerwear Filter Covers
$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.
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Magnum Jet Kit
$89.00
Magnum jet kit includes: pilot jets  main jets Magnum custom needles
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K&N Replacement Filters
$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...
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Boyesen Power Ring
$129.95 $123.45
Boyesen Power Wing Highlights: INCREASES horsepower and torque in 2-stroke, 4-stroke and 85cc engines AERODYNAMIC design maximizes velocity...
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Boyesen QuickStart
$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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