K&N Air Filter

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Jul 8, 2004 | 01:44 AM

SickRider

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Joined: Jun 2004

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K&N Air Filter

I have a 2004 400EX completly stock and I haven't put on my K&N Air Filter yet. Do I need to have it jetted or anything else?

Jul 8, 2004 | 12:08 PM

speeeedy

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Joined: Mar 2004

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K&N Air Filter

if just a k&n no you dont have to rejet.

Aug 14, 2004 | 08:34 PM

QuadZillas

Trailblazer

Joined: May 2004

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K&N Air Filter

speedy is correct but if you do not rejet you will not see any HP increase.

Aug 15, 2004 | 02:07 AM

reconranger

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Honda, accept nothing less!

Joined: Dec 2002

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K&N Air Filter

We covered this the other day, in another post. If I put a K&N on a stock 400, it will hardly run, stock airbox or not. You need a rejet!

http://forums.atvconnection.com/mess...keyword2=REJET

Aug 22, 2004 | 01:00 AM

Tyson150

Range Rover

Joined: Aug 2004

Posts: 166

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K&N Air Filter

i have a kn and took of the airbox and i can feel the difference. it pulls alot harder and is deeper sounding

Aug 29, 2004 | 03:44 AM

13inc

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Joined: Jan 2004

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K&N Air Filter

recon is right.......

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