The Yamaha Raptor 90 is available as a Full System in the Performance, Mini-Exhaust Series. It features a 9", 1.75" DIA exhaust shell with a mini-end cap design and a Header that's .25" larger in diameter than the stock system. Switching to the Performance, Mini-Exhaust Series will drop weight off the machine and add 10-15% more horse power to the 90cc engine.
Fits: (16-21) Raptor 90
FUEL TUNING IS NOT TYPICALLY REQUIREDLEARN MORE
Typically, fuel tuning is not required when installing an HMF Exhaust on this machine. However, other modifications to the machine may require the need for fuel tuning to ensure the machine runs properly, and there is no damage to the exhaust system. See the tuning settings below for possible tuning solutions or Contact Us for more information.