pro circuit vs hmf [Archive] - ATV Riders Forum

81 clark racing

10-15-2006, 06:01 AM

which pipe is louder?. i have pro now and its preatty loud. i was thinkin about gettin the hmf. is it anybetter? performance gains? and where do you notice the power gain thanxs

ilpadrino113

10-15-2006, 12:25 PM

It depends on which HMF pipe your getting. Personally i liek the HMF, but a lot of the top ones are the same. some of the HMF pipes are really loud.

krt400ex

10-16-2006, 10:18 AM

hmf is better... without the qiet core they r the same, but with it the HMF is 97dec. i am not sure about the pro circuit though

idontknowwhoiam

10-16-2006, 11:31 AM

my HMF is pretty damn loud...iv only heard a t-4 on a ktm 520 and its louder then my quad

TeamYamaharider

10-16-2006, 05:36 PM

HMF My friend has 1 on his 400ex and I love the sound of it

81 clark racing

10-16-2006, 05:43 PM

all right thanxs guys