YEP YEP and YEP!!! You also need to turn the oil pump up a notch too!! Originally posted by SLEDFX
[br]It depends on pipe condition if it is in fact a good deal. But if they are ok I would pick them up for that price even if I didnt have an ultra. you could sell them for way more.
and for those pipes to work proporly you would have to change your main jets. Prolly need poisition. adjust your carbs fuel air screw. Then clutch the sled to the appropriate RMP which means for sure changing weights and primary spring. And possible your helix and secondary spring as well.