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  1. Raptor 700 dying at idle after new rs-2 slip on exhaust

    Raptor 700 Maintenance
    Hey guys I just recently bought a Yoshimura Rs-2 slip on exhaust on my 2011 raptor 700, and was told I didn't have to remap it because its only a slip on. So now when I start it occasionally it will start sound fine for about 30 secs then die, but if I give it a rev or 2 it runs/sounds fine...
  2. streetbike muffler on 660???

    Raptor 660 Mods
    I have a couple slip ons from my 05 gsxr 750 hanging around (yosh tri oval and hindle stainless). Im thinking about chopping it down 6-8" and tigging it back then cut the angled pipe off the stock muffler, clean it up and weld it to an enlarger that will fit the slip on. First question. . . . ...
  3. Yoshi Data Box n Dual Exhaust

    Raptor 700 Mods
    i have a 2006 700. i have a DMC dual exhaust which is two seperate pipes from the motor back. I have the yoshimura ems pim2 Computer now and I need to get the yoshi data box to do the full computer programing. My question is will the O2 sensor work even though it is dual exhaust?
  4. please help my new mods...

    Raptor 700 Mods
    hello i need your help i have a raptor 700r 2009 and i put on a yoshimura full exhaust a dynojet programmer and k&n air filter, what can i add if i wish have more power on my stock engine raptor?? i'm searching for the hot cams stage 1 but i dont know if this stuff help me to have more power in...
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