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  1. Grom Builds
    I’m new to this but I just got first grom. I already have the chimera intake, tb cam, zoom loop exhaust and the DHM ecu installed. Is it normal for the bike to be boggy at first after installing the dhm while it figures everything out or did I do something wrong. The bike has only 25 miles...
  2. Grom Performance
    I installed the TB cam on my 2015 OG a couple weeks ago and at high RPMs the motor don't sound right to me.. Valves making a slight noise as the RPMs increase. Not noticeable at idle. At first I went with the recommended I.004 & E.007 valve clearance.. That didn't sound right so I called Hard...
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