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  1. Grom Talk
    Hi I Got an aftermarket exhaust and I did the DIY air box mod. I know when you change the exhaust and put a different air intake like a Chimera Intake you need a reflashed ECU or something like a Boosterplug. Now I am a bit lost cause I don't know/can't find if the DIY mod does enough to get...
  2. Grom How-To's and Guides
    Brand new 2020 GROM, Just ordered a TOCE exhaust for the noise to alert drivers. I do not care about adding power or speed. The exhaust is purely for my safety. Now in regards to my motors safety. After installing and resetting the ECU this im aware is highly recommended so i will do that first...
  3. 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...
  4. 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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