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  1. Yamaha YFM350 Raptor/Warrior ('87-Present)
    Have any of yal guys done this? I read that it will be about 300 installed, but not sure if it would give any notice able gain. Just that it gives very little hp but more torque. I just figured when I rebuild it would be a good mod to do.:shrug:(if it give a notice able gain)
  2. Yamaha YFZ450/450R (2004-Present)
    Just bought an 06 yfz450. I am used to my 01 Raptor and it has power everywhere. Lots of grunt down low and pulls up top. Open air box, full yoshi exhaust, jetted...My goal is to get the 450 to have a broad HP and TQ range not just top end. What combos do you guys have actual experience with? I...
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