[tylerquadboy1]

HONDA 3D CNC EXHAUST MUFFLER TIP TRX 400EX 400 EX 400X | eBay
Billet Power Tip for Honda 400EX / 400X ATV Exhaust | eBay

i ment do insted of di

 

[chaas5010]

Are you talking about jetting Or actually hooking it up to a machine that gives you info on your quad like power HP peek power gains etc?

 

[Here 2 help]

You don't need to dyno any engine unless you need specific power at specific rpm's