i got a 2006 crf 150f 4 stroke dirtbike ( i know this is an atv website but mine as well ask ) but anyways it runs 65 with the k&n air filter anybody have any opinion on how it will run with an high performance pipe and new Bomb headers?
The pipe/header combo should work wonders I would think. My neighbor had a Banshee a couple years ago, and he said the header made more of a difference than the intake and pipe together by far. But if you get the header, I bet you have to get the pipe too, or the header won't perform to its full potential.
If you just want more top end then change your sprocket on the engine side. More teeth = More top end performance. However, when on the trails you may find you are geared to tall. I dont care about top end on my bike (XR400) so I added a sprocket with less teeth for more torque down low. If you have any questions just holler.
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