Is anyone running one yet?How has yours been working Highoctane,did you get a programmer yet or do they need it?I asked awhile back but have not seen any updates on this or other sites.

 

No programmer yet..haven't checked on it lately..
I had a K&N and a modded airbox and it was a little lean for my taste when I read the plugs,I put the stock filter and put the airbox back to stock to richen it up some..
I don't think I've mentioned the power increase..kind of got lost in the mix as when I was doing some WOT accelration testing I notced that the clutches didn't seem to be upshifiting fast enough with the 27's..that's another story though..
Back to the exhaust..I put the stock tires back on so I could beat on it a little without overrevving and the power gain with exhuast is noticable IMO..I had gotten used to the 850's power and the exhaust brought a smile back to my face..felt like raw retarded power again! My neigbor came over while I was playing..he's a ATV rider and he was extremely impressed..he's seen me play on it when it was stock and he commented that it seemed to have alot more power...
I know that the stock tires are a joke but it felt like it broke them loose even easier..I play in a grass field and it will roast the stock tires at pretty much any speed. I can nail it from a stop and decimate the tires up to about 40mph in the grass .lol

I am the first to say that the Seat of the Pants dyno is very inaccurate,so many factors,especially when it comes to exhaust,the sound can make it feel more powerful..
But I know a guy who is a very experience rider and doesn't own an 850 so he is more unbiased..he does have alot of seat time one the 850 though,both stock and with the HMF exhaust and he swears the power difference is very noticable to him..his yardstick is how easy the machine wheelies..he says it pulls the front alot easier with the exhaust..
I know I love the sound! It has really grown on me!

 

HO you say you can feel the difference do you think you gained any on the top-end or lost any or no difference? Where did you get it & how much are they?

 

<div class="FTQUOTE"><begin quote>Originally posted by: Nightclerk

HO you say you can feel the difference do you think you gained any on the top-end or lost any or no difference? Where did you get it & how much are they?</end quote></div>

Amazingly I really think it gained throughout,definitely gained up top..the motor pulls hard to over 7000 rpm..I haven't taken it out for a top speed run with the exhaust but it has to be faster than stock...provided it isn't hitting the clutch limiter stock..which there is a good possibility it is..in anycase it should get there faster..
I was more worried about loosing low end...but I think it actually gained a little there as well..

I think the XL(extra loud) retails for $369...you can order from HMF,there is someone on e-bay selling them a little cheaper..I got mine from my dealer..