HMF Slip-on For a 400EX

[95300exrida]

hey i was wondering what kind of power gains i should expect from adding a slip-on style hmf sport series pipe and where i would feel these power gains the most. thanks

[underpowered]

it will be a very noticable difference, you get alot of low end with the pipe, but you will gain power throughout the powerband

[ohsobad_chevy]

Originally posted by underpowered
it will be a very noticable difference, you get alot of low end with the pipe, but you will gain power throughout the powerband

I have the full system and I like it well.....remember to rejet accordingly.

http://i32.photobucket.com/albums/d44/ohsobad_chevy/DSC00103.jpg

[chevy400racer]

dude dont get a HMf. i had one and it gave me some problems. i'd either go with a Curtis Sparks, Yoshimura r s-3, or white Bros e-series or R4

[underpowered]

Originally posted by chevy400racer
dude dont get a HMf. i had one and it gave me some problems. i'd either go with a Curtis Sparks, Yoshimura r s-3, or white Bros e-series or R4


elaborate please?

the yosh and sparks are both great pipes. but WB has poor build quality.

[95300exrida]

ok thanks...would i be able to purchase the header later to make it a full system or??

[ohsobad_chevy]

Yeah, I would hold off until you can afford the full system all at once, but its up to you.

[GPracer2500]

http://www.exriders.com/vbb/showthread.php?s=&threadid=246519

[400exrider720]

Originally posted by 95300exrida
ok thanks...would i be able to purchase the header later to make it a full system or??
i would wait and get a FMF powerbomb header. Great addition to the HMF if you are gonna spend the money for a header. I like it.