duncan fat boy 4

[ricks450]

where is the power ranges at on the duncan fat boy 4 exhaust? for 05 is it low to mid or mid to high. or all around. thanks guys.

[pudamac12]

when i had mine it didn't have much of a hit anywhere it just has a smooth delivery. However to me it didn't have enough power. I switched to a white bros aluminum pro and it woke my quad up a lot more then the duncan. THen I switched to a rossier and it gave me even more power. I would get the rossier before the duncan