Rockymountain ATV has this pipe listed but it isn't in stock. It looks sweet. I like how they have the 2 in 1 idea. It look even hotter on the dual exhaust for the kfx 700. If anyone finds any dyno sheets let me know!
I dont think W/B will ever make a exhaust with their name on it for the predator, I believe they will always be sold as "pure polaris".
Havent heard anything about a DG exhaust. I honestly hope Pro Circuit will make a exhaust for the predator. They make top quality stuff. And their pipe has been proven to make more hp then any other pipe in the z400,400ex, and kawi400. So im hoping it will be the same wayf or the pred.
I just got the Pro circuit and I think its a really nice slip on, all aftermarket pipes will be loud but the pro circuit I would say is one of the quieter of the loud to say that I am not running the quiet core. Its loud when you are in the throttle but they all are. Also one other thing about the pro circuit that I like is that they offer the head pipe seperate so you can add it on later if you ever want to unlike other companies who are not offering a headpipe like WB,HMF,etc. Some will say the headpipes are not needed but at least with PC they are offered.
I always believed the alien exhaust was just some stupid looking expensive exhaust system made by some cheap no name company. Last weekend I was proved wrong. I saw a raptor with the full system DMC up close, tell you the truth, that pipe barks, I mean you couldn't sneak up on a deaf man with this thing, but it's not just good for attracting attention and making your quad sound throatier than ever, it has gobs of performance. Right now I have a pure polaris slip on, i'm waiting for that DMC so bad too, or the trinity I can't make up my mind which to get but I really want a full system, none of this slip on crap.
from what is available now, the pure polaris slip-on is making more or equal power than most of the full systems out there. For example, take a look at the dyno chart on the yoshi full system, you get less power than the polaris slip on, yet it costs $200 more. Thats why pure polaris dropped the head pipe, the stocker is working so well that they couldn't get much more with the several head pipes that they tried, they got slight gains, but polaris did not think it was enough to justify the extra cost of the headpipe.
I think the only way a full system will make more power than a slip on is for people who go to the clamp-on air filter.
I'm still happy with my WB pipe. Once more systems come out and others start experimenting with them, then I may switch... for now, I dunno. The Trinity is still my favorite, at least based on appearance, but the Alien one sounds interesting too.
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