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  1. Grom Talk
    I have a 2015, Twin Bros Exhaust and Chimera intake. I love the throttle response and power from 2 simple upgrades. I live in Utah, somewhat higher elevation. When I accelerate from a stop, while in 1st & 2nd gear, the bike seems to hesitate and does not accelerate very smooth, its like it...
  2. Grom Talk
    Hi I'm new to the Forum I'm hoping to pick up a Grom this weekend I was talking to the dealer and he said that he has had 3 come back with blown heads from running too lean from people modifying the airbox so they have to check for tampering and it voids the warranty if any bolt is removed. That...
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