Saw an HMF pipe for a Bruteforce 750 on ebay and they were advertising 9hp extra. Is this true? Can anyone here attest to this? Is the HMF pipe for a Prairie 650 same as a Brute 750? And if they are intercangeable, will it produce the same gains on both machines?
Also saw advertisement for Dyna CDI claiming 5hp extra. Is this true? How much power will the copperhead VDI make? Thanks.

 

I have a hmf pipe on my 700 and you will not get 9 more hp out of just a pipe and jets. Now don't get me wrong I really like my pipe it sounds and looks great and helps a little but not 9 more ponies. I don't know if the 650 and 750 pipe will interchange. If I had to guess I would say no because hmf mistakenly sent me a 650 pipe and it didn't line up properly on my 700. Sure you could force it on but it wasn't right. I can't speak as to the vdi copperhead, and truthfully no one else can either because they are not out yet,they can only tell you what the've been told. But from what I hear they are going to be very good. The dyna cdi will give you atleast 5 more hp. I have one on my wheeler and other than the boonedocker nos kit it was the largest power gain out of all of my mods.

 

Thanks,that's what I wanted to know. Ordered CDI today.

 

dyno graph's show the HMF pipe making about 3hp on the BF750....this is rear wheel horsepower, and that's pretty good, that would be 5-6hp more at the crank on these CVT tranny machines......

 

I agree with FFB....I put the Dyno CDI on and its one of the best upgrades $/Fun.

I actually flipped mine the first time out with the CDI on.