Maintenance & Technical > KX250 / KX125

FMF OR PRO CIRCUIT ???

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blackkx:
 the silencer on my bike now is stock and i usually repack it once evry couple of months . But around here as every where i am sure the 2 stroke is slowly dissapearing so i kinda like it loud the people hating the noise can kiss my ass as far as i am concerned. with a fresh packed silencer my bike sounds great . I dont have that much against 4 strokes but i hat the way they sound , i miss the old days when 4 strokes where in the woods , I am just old school i geuss but i aint changing . nothing against all you thumper guys just not my cup of tea .

don46:
You don't say how your going to use the bike, woods riding, MX? First of all the 98 has a monster motor, if your going to the track, no doubt get the PC, it makes the bike a rocket, it has an explosive power band, if your going to the woods get the FMF it will, mellow out the monster motor.l

gowen:

--- Quote from: don46 on February 05, 2007, 03:04:11 AM ---You don't say how your going to use the bike, woods riding, MX? First of all the 98 has a monster motor, if your going to the track, no doubt get the PC, it makes the bike a rocket, it has an explosive power band, if your going to the woods get the FMF it will, mellow out the monster motor.l

--- End quote ---

Depending on the FMF pipe used. If you use a fatty it doesn't mellow it out at all, but gives a little more juice down low and up top, making the "hit" not so bad up top.. Just a false feeling of power when there is no low then alot up top. FMF Gnarly does mellow it out quite alot, but if you get the Gnarly Rev or the SST pipe that changes alot.

As for the turbine vs. the powercore.. The powercore gives alot up top and is louder than the turbine.. The turbine has a spark arrestor in it and gives more bottom end.

blackkx:
 If the pc pipe makes it hit harder than that or the fatty are my only 2 options aside of buying a used stock pipe off ebay . I dont want anything that will mellow the bike , i like the hang on for dear life power . what do guys think about a stock pipe , the only reason i ask is there is one on ebay for $50.00 that has been nickel plated and has no dents or cracks or blemishes for that matter and seems like a good deal . I  am not by any means complaining about the bikes power with the fatty but the last thing i want to do is get a pipe that will lessen the power that i am already used to , if anything like i said i want it to hit harder ... I dont mean to be a pain in the but with all these questions , but you guys seem pretty noligeable and i appriciate all the input so far ... 

alan:
I like the FMF Gnarly pipes because the are supposed to be made from heavier metal! Since my KX has to drag my 220#s around an extra few ounces doesn't matter anyway!

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