I'd do the 3/4" NPT bcs the inner diam is a good size for flow, more than the littlle 1/2" npt esp if your going for more top end. the smaller one's ID could only be like 12mm
I'd do the 3/4" NPT bcs the inner diam is a good size for flow, more than the littlle 1/2" npt esp if your going for more top end. the smaller one's ID could only be like 12mm
I just got done grinding filing scraping sawing and welding and brushing everything and i finally got the muffler welded onto the expansion chamber The sound is more meaty then the stinger that comes on the end of them my pipe has no internal baffles(other then the Muffler)
(i know my bike it dirty alright)