Okay, i just put an exhaust on my 2012 yfz 450r. Its seems like its running good without a Fuel controller. Do you guys think i need to get one? my local cycle shop said i didn't, but i wanted a second opinion. Thanks.
Dillon5
I know Dubach Raching claims you don't need a fuel controller with their exhaust, but Yoshimura recommends a controller. I can't say for sure if you "need" one based on the information you provided, but if you decide to get one go with one the MSD Blaster FI. In my opinion it's the best fuel controller available for the YFZ450R. The MSD is worth an extra 1-3 horsepower due to the timing advancement feature.
Take Care
MSD Blaster FI Controller
Take Care
MSD Blaster FI Controller
Yes I would get a controller if I was you. It will run alot better with one. I only have a slip on GYTR race style. I'm about to order a MSD and FCI..
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