exhaust

[rooney]

i am getting ready to purchase a duncan fat boy 4 full system and i want to no the power differences ill get rite now i have on an white bros e series slip on should i stick with that or go ahead and get the duncan i am wondering about bottom end power will i lose any b/c i do quite a bit of hilclimbing so its cinda handy ne help will be much appreciated

[Chin_Chilla]

What bike will it be going on?

Duncan is a good low-mid end pipe which will help you out for those hill climps.

Will it give you more power than the E-Series? Depends on what machine and what mod's you have.

[Chin_Chilla]

What bike will it be going on?

Duncan is a good low-mid end pipe which will help you out for those hill climps.

Will it give you more power than the E-Series? Depends on what machine and what mod's you have.

[rooney]

its going on my 02 400 ex and ive heard a lot of good things about the slip ons but i didnt no if it was ne different from a full system