Hi, I’m looking for a FMF high mount header for the 14-15 grom. Or a header that will fit the fmf 4.1 RCT slip on exhaust. The fmf slip on outside diameter (OD) 34.5mm and inside diameter is 31.6mm. The 14-15 chimera stainless header fm steady garage didn’t work. The outside diameter is too...

So I just bought a 2018 Honda Grom and I have began modding. First things first I wanted to get a high-mount FMF exhaust and a Chimera Intake. I will most likely end up getting the Aracer RC Mini Plus2 ECU. My question is, should I buy the FMF from steady garage and have them weld the O2 sensor...

Recently bought an FMF slip on exhaust and the Power Commander V to install with it. I'm looking for the best map for stock everything except for the new exhaust. I was surprised the Dynojet/Power Commander site only lists 6 maps total for the 2014 Grom. None for stock air box and slip on...