everyone is gonna have a different opinion on this, your gonna have to make you own choice on this. I went with the FMF Ti4 pipe and think that without the quiet core it is loud as all hell, but it also rocks power wise - james
I agree with the jeepman, I also have the Ti4. It is loud but has awesome power. I can easily outrun two buddies of mine who both have the white bros pipes. If you ride anywhere that has db limits get the quiet core.
Well I do'nt agree with with any can, just open the end cap on it, 2" will do it. The dyno on my mach showed that it was only 1 1/2 H.P. off from the W/B pipe. Yes less, but for a cheap mod I'LL live with it.
Your preference on the pipe, they are all pretty good. From what I have seen and heard they are all waaaaay louder than stock. I have the HMF, I'm pretty happy with it. The pure Polaris (White Bros) pipe is also good. Personally I just don't like messing with the discs. I have had good luck with Pro Circuit and FMF I just haven't ridden A Predator with those pipes on it, yet.
That is what every pipe maker I've talked to has said, that the stock header flows better than it needs to even for for pretty heavily modified mahines. Really the only reason to get one would be looks.
help me pick...... big gun race series $287, pro circuit t4 $259, hnf $229, fmf ti-4 w/ mid pie 269, white bros e series s bend 218, fmf power core iv w/ spark arrestor 242 or I can get packages .........
fmf ti-4 slip on w/ mid pipe, k&n + outer wear dyno jet kit for 379.95
pro circuit t-4 slip on , k&n + outer wear, k&n dyno jet, oil & filter cleaner for 369.95
some one please help me pick....I want something i'll be happy with ... like I said earlier it takes alot of work to get that front end up the way it sits, I want to be able to get it up in 3rd if I want to
THE_PREDATOR I will cut you a better price than $229 on the HMF brand new in the box I'm a dealer for them. Send me a email to [email protected] for a price as always powdercoating or polished is always avalible also.
Go with the FMF Ti4 or the HMF and you will be happy. Avoid the systems with discs if you want real power from top to bottom. Mine will pull the front end all the way up in third with just a slight pull of the bars.
the w/b system with the disks make more power through the rpms than the straight through designs out there, pipes like the hmf may rev a slight bit quicker because of the loss of backpressure, but you loose the bottom end torque.
Backpressure robs power, it does not make it. Disc type systems do not flow well, they make decent power on the bottom end be cause they create a vacuum, this is the opposite of back pressure. But they only create a vacuum on the very low and seldom used rpms. After this they create back pressure and as we discussed earlier this robs power. That is why almost all pipe makers have gotten away from discs, as white bros is in the process of doing with it's new e2. Look at the Z400 pipe shootout at dirtwheels website. The Z400 and the Predator are very simular bike, higher compression, high revving, free breathing machines. Look at the dynographs, the FMF Ti4 and HMF make better power top to bottom than the white bros. Its easy to see, just look.
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