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yfz450r 2009
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11 Posts
Discussion Starter · #1 ·
I have a yfz450r with a better transmission and a dasa exhaust, i want to buy an fci intake but i dont know if it will add good hp i did re search and dyno tune says 4-6 hp.
Please Help Me Out!
 

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I dont know what else the mechanic said but something of the pistons, is it bad if i only have those mods with an fci?
If you do not get a vortex or power commander. Vortex is the best. Your quad is is getting more air with exhaust and or intake but no extra fuel it's running lean and can shorten the life of parts or worse Total failure. You have to have a tunner these thing don't have o2 sensor like cars and adjust for bolt ons.
 

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Registered
yfz450r 2009
Joined
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11 Posts
Discussion Starter · #7 ·
If you do not get a vortex or power commander. Vortex is the best. Your quad is is getting more air with exhaust and or intake but no extra fuel it's running lean and can shorten the life of parts or worse Total failure. You have to have a tunner these thing don't have o2 sensor like cars and adjust for bolt ons.
What if i get the MSD BLASTER FI?!
 
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