JMCHstore Header Pipe for Lifan 79cc/105cc Engine for Coleman B100 RB100, Mega Moto MMB80 MMB105, Phatmoto Gas Bike, Motovox MBX10 Orxyearth Dirt Kids Mini Bike MMK80 Go Kart (Silver)

Sounds wicked hahaha looks good

Ordered this upgrade kit for my son's Oryxearth 105cc minibike before Christmas in Dec. 2025. The one I got no longer uses Allen socket head screws to attach the header to the engine. It came with regular cap screws where you can use an 8mm wrench from the side to tighten them. This improves assembly because there is no longer a problem tightening the inside bolt with a regular size Allen hex key. I appreciate the design with the header running inside the frame and well away from the legs. It gets very hot and will burn you if any part of your body comes in contact with it. Performance and sound is great! It is not too loud at idle, but gets loud in a good way at full throttle! It also helps performance, as long as you also do the Stage 2 carburetor mod that removes the engine governor. With the stock carb and governor still in place, there is no top speed improvement (24 mph on Oryxearth 105cc minibike) because you are still being limited by the governor. Together with the new carburetor and disabling the governor, the minibike gets to a solid 35 mph, which is a 46% increase in speed!

Not bad for price an how short it is

Easy installation, fits my B100. Bumps up the volume a bit. This little Coleman sounds like a chopper! The flat black appearance is nice. We'll see how it holds up durability wise, but so far it seems like it was worth the money! .

Quedó de show al nene le gustó