View Single Post
Old 03-27-2013, 04:12 AM   #7539
Gnarly Adventurer
deejay_xr's Avatar
Joined: Mar 2012
Location: Netherlands
Oddometer: 496
Originally Posted by Royal Club View Post
as I mentioned, stock header :)
Yeah, the numbers the interwebs mention are completely stock too, so header & muffler.

I find it hard to believe that a high comp piston and aftermarket cam will make less power with the steel header than the original setup would have.

What's going on here fellas ?
Can anyone chime in on whether the original numbers were THAT much exagerated or not?
'87 XR600R, 17's and fully black
deejay_xr is offline   Reply With Quote