TheAlaskan Posted January 14, 2008 Posted January 14, 2008 Anyone on have a YFZ450 and running a Thunder Alley pipe? I'm thinking about ordering one up and just wanted to hear others opinions. Quote
mineurbiz Posted January 14, 2008 Posted January 14, 2008 Why would you go with that pipe? If you are looking for a great pipe for the 450, bet the Sparks big core. Quote
TheAlaskan Posted January 14, 2008 Author Posted January 14, 2008 I've heard good things about them and the fact that they're hand built makes me like them even more than the cookie cutter high production pipes out there. Quote
Gazlay43 Posted January 14, 2008 Posted January 14, 2008 sparks or nmotion i heard that the nmotion is pulling the best numbers 4 the yfz Quote
mineurbiz Posted January 14, 2008 Posted January 14, 2008 I've heard good things about them and the fact that they're hand built makes me like them even more than the cookie cutter high production pipes out there. GP performance also make hand made pipes for the YFZ, that is what I have on my bike. He use to make the pipes for nmotion. Quote
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