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04-20-2010, 09:44 PM
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Senior Member
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Join Date: Mar 2009
Location: North Carolina
Posts: 6,013
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Quote: Originally Posted by otownrider
has anyone found a good air tube to use on the 450's...like mentioned above the 400's most people used a 400ex. If someone found a good one I'd like to know before I spend 250 on an intake when your mostly buying it for the tube because thats where the airflow restriction is.
The LTR450 tube is what fuelATV uses.
The LT500R tube is what BCS performance uses.
If you are going to run the airbox eliminator intake, just buy an LTR tube and a 400EX filter (Uni/K&N). Slide the metal part of the 400EX filter inside the tube and clamp it down. Then figure out a mount bracket.
__________________
CIRCUS RUNAWAYS RACING #450R_
Procom ECU
'08 KX Cams
Custom Intake
Jardine RT99 Exhaust
Moose Racing Handguards
ProArmor Tether & Install Kit
ProArmor PowerGRIP System
ProArmor full skid protection
Pro(blem)Armor Dominator Bumper
Walsh lower stem bearing
Derisi Racing Suspension
CCP Steering Stabilizer
Maxxis Razr & Razr2
2011 Sponsors: Circus Runaways Racing, Dust Devil, ForceFed, James Racing, Attack Graphics, Custom CNC Parts, Procom, Jardine, Wicked Thunder, Keepitroostin.com
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04-22-2010, 12:01 AM
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Senior Member
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Join Date: Jan 2010
Location: Tulsa, Ok
Posts: 320
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The z400 air boot is a little restrictive, I replaced mine with a honda 450r fuel customs intake, and there was (I believe) a couple horse gain from it. My z400 big bore puts out a total of 43 hp 
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08-02-2010, 06:54 PM
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Junior Member
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Join Date: May 2010
Posts: 17
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what about and intake for trail riding with nasty mud pits like the one here in PR? If you run w/o Air Box you will ruin your power plant in no time!
No Low cost intake setup with the air box?
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08-02-2010, 07:17 PM
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Senior Member
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Join Date: Mar 2009
Location: North Carolina
Posts: 6,013
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Quote: Originally Posted by JPR-450R
what about and intake for trail riding with nasty mud pits like the one here in PR? If you run w/o Air Box you will ruin your power plant in no time!
No Low cost intake setup with the air box?
I'm building one... hopefully final version will be complete shortly.
It's a whole XC setup.
__________________
CIRCUS RUNAWAYS RACING #450R_
Procom ECU
'08 KX Cams
Custom Intake
Jardine RT99 Exhaust
Moose Racing Handguards
ProArmor Tether & Install Kit
ProArmor PowerGRIP System
ProArmor full skid protection
Pro(blem)Armor Dominator Bumper
Walsh lower stem bearing
Derisi Racing Suspension
CCP Steering Stabilizer
Maxxis Razr & Razr2
2011 Sponsors: Circus Runaways Racing, Dust Devil, ForceFed, James Racing, Attack Graphics, Custom CNC Parts, Procom, Jardine, Wicked Thunder, Keepitroostin.com
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08-02-2010, 07:19 PM
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Senior Member
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Join Date: Mar 2009
Location: North Carolina
Posts: 6,013
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On a side note, I have no idea why anyone would want to use a KFX400/LTZ400 tube on a 450.
Changing the tube was so popular on the 400 that an aftermarket company actually made a special box that was designed for using the 400EX tube on the KFX400... as it is much larger.
__________________
CIRCUS RUNAWAYS RACING #450R_
Procom ECU
'08 KX Cams
Custom Intake
Jardine RT99 Exhaust
Moose Racing Handguards
ProArmor Tether & Install Kit
ProArmor PowerGRIP System
ProArmor full skid protection
Pro(blem)Armor Dominator Bumper
Walsh lower stem bearing
Derisi Racing Suspension
CCP Steering Stabilizer
Maxxis Razr & Razr2
2011 Sponsors: Circus Runaways Racing, Dust Devil, ForceFed, James Racing, Attack Graphics, Custom CNC Parts, Procom, Jardine, Wicked Thunder, Keepitroostin.com
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08-03-2010, 08:26 AM
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Junior Member
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Join Date: May 2010
Posts: 17
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Quote: Originally Posted by Duster
Quote: Originally Posted by JPR-450R
what about and intake for trail riding with nasty mud pits like the one here in PR? If you run w/o Air Box you will ruin your power plant in no time!
No Low cost intake setup with the air box?
I'm building one... hopefully final version will be complete shortly.
It's a whole XC setup.
I think this weekend I will star in building one for me... I will keep you huys posted...(I just got my KFX 3 months back..., my old quad was a TRX250R sold it TEN years ago and then I realized I should've never retired from riding,anyhow good thing is Im back...)
 
Thanks to all the KFX community, you KFX guys are one hell of a team when talking about custom builds!!! )
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