How interchangeable are exhausts

[BaNsHeeJuNkEy]

Ok this is the deal I have FMF fatty's and power core2's on my shee right now. and i want to go to cpi's down the road but for now i want to put cpi stingers and silencers on my shee with the fatty's till i finish everything elsa. so if anyone could tell me if i could put the cpi's on my fatty's or not that would be great. if so then i will sell my power core2's.

[FireHead]

As a bump to this thread.......................I already said I had no idea about the interchangeability here. :thumbsup:

[Snopczynski]

Are you planning to ride this thing mostly on dirt?

[375hp banshees]

dont know how soon you need to know ,but i plan on taking my cpi's off & putting my fmf's back on soon... i'll let ya know if you haven't got an answer by then

[FireHead]

dont know how soon you need to know ,but i plan on taking my cpi's off & putting my fmf's back on soon... i'll let ya know if you haven't got an answer by then

I don't think he is in a terribly big hurry. :shrug:

[fastbanshee8]

I had FMF Fatty's, and switched to CPI's, and if you plan on switching back, and forth, plan on rejetting with every pipe change. The FMF's like a fatter pilot, than the CPI's, and the CPI's like a fatter main, than the FMF's. It will be a lot easier, to pick one set of pipes, and figure your jetting out for those, than it will be, to switch back, and forth.

[BaNsHeeJuNkEy]

Are you planning to ride this thing mostly on dirt?

 

it is going to see a little of everything from the road to snow and the track. but mostly the trails and the pits

 

I had FMF Fatty's, and switched to CPI's, and if you plan on switching back, and forth, plan on rejetting with every pipe change. The FMF's like a fatter pilot, than the CPI's, and the CPI's like a fatter main, than the FMF's. It will be a lot easier, to pick one set of pipes, and figure your jetting out for those, than it will be, to switch back, and forth.

 

na i was plaining on keeping the cpi's on the bike for good and sell the fmf's.

 

i know a lot of ppl say they are not good for trails and stuff but i plain on going with a 421 cub for next summer. and as far as being in a rush not that much i still need 35mm airstitker carbs, a intake manifold and a clutch cover for a clutch lock up.

[375hp banshees]

I had FMF Fatty's, and switched to CPI's, and if you plan on switching back, and forth, plan on rejetting with every pipe change. The FMF's like a fatter pilot, than the CPI's, and the CPI's like a fatter main, than the FMF's. It will be a lot easier, to pick one set of pipes, and figure your jetting out for those, than it will be, to switch back, and forth.

true mine's the only one i've heard of that likes a stock piolot,i just wanted to track test the theory on no gain w/ stock port on cpi's, but the track closed b4 i could so i'm going back they suck in tight trails LOL

[FireHead]

I had FMF Fatty's, and switched to CPI's, and if you plan on switching back, and forth, plan on rejetting with every pipe change. The FMF's like a fatter pilot, than the CPI's, and the CPI's like a fatter main, than the FMF's. It will be a lot easier, to pick one set of pipes, and figure your jetting out for those, than it will be, to switch back, and forth.

The jetting issue is not just with respect to the pipes, but how your porting moves air through the pipes. ANothoer person may have different results with the same pipes. :thumbsup:

[FireHead]

it is going to see a little of everything from the road to snow and the track. but mostly the trails and the pits

na i was plaining on keeping the cpi's on the bike for good and sell the fmf's.

 

i know a lot of ppl say they are not good for trails and stuff but i plain on going with a 421 cub for next summer. and as far as being in a rush not that much i still need 35mm airstitker carbs, a intake manifold and a clutch cover for a clutch lock up.

If you ride in open areas and are an experienced rider, then CPI's can be a decent multi-disciplinary pipe. :geek:

[Snopczynski]

Ok, you got kind of weird thing going here. Inherently the cubs will lose bottom end power when bolted on, but gain a huge amount of top end power. So the way I see it, is your kind of screwed here. You bolt on the cubs and run cpi's, you have a top end rocket thats not trail or dirt happy at all. Or, if you port the bike for bottom end, then the cpi is not an optimal pipe to run with it. See, what I am trying to convey here.

[fastbanshee8]

The jetting issue is not just with respect to the pipes, but how your porting moves air through the pipes. ANothoer person may have different results with the same pipes. :thumbsup:

 

 

I realize that, but from the reading I've done, what I stated will be the case 90% of the time. You will always have a few cases that differ. :beer:

[FireHead]

I realize that, but from the reading I've done, what I stated will be the case 90% of the time. You will always have a few cases that differ. :beer:

This is true. I suppose there is a large area of normalization between the extremes in stock'ish Banshee porting (stock, no port, jugs and Cheetahs. :thumbsup:

[BaNsHeeJuNkEy]

I know the bottom end wont be that great but will still be better then what i have now. and the top end well ya that is a hole other story. the trails i am riden in are like roads big enough to fit a truck down so i can get on it no problem. and ya i am a little nuts "balls to the walls". but i am going to have the stock top end on my shee till summer who knows maybe i wont go cub and just port and bore the stockers. haven't got that far yet just know i want to go with cpi's since i am always on the gas no matter what. unless i am jsut wheeling around being dume.

[375hp banshees]

I know the bottom end wont be that great but will still be better then what i have now. and the top end well ya that is a hole other story. the trails i am riden in are like roads big enough to fit a truck down so i can get on it no problem. and ya i am a little nuts "balls to the walls". but i am going to have the stock top end on my shee till summer who knows maybe i wont go cub and just port and bore the stockers. haven't got that far yet just know i want to go with cpi's since i am always on the gas no matter what. unless i am jsut wheeling around being dume.

 

if it turns out anything like 91banshee's 421 it'll be a trail grunting fool ...he's got plenty of low end (w/ sheerers i think)