2016 duals grizzly

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How does splitting a singles’ exhaust into two pipes do anything. Not being a smartass, just wondering. Is the increase in HP not just from the change in fuel mapping?

bobcaygeon
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Great video, Love the info. I like how those Duals sound, and the gains are sweet ! I am just not into the looks of two pipes on a single.. Don't know why, but it messes with my head..lol
BTW, I wish I had your tuner instead of HMF !!

POHLHAMMER
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eric have you tried cutting out or modifying the tube coming out of the throttle body into the air filter?

tech
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eric what size primary are you running out of the head?

tech