I am thinking about putting an AAEN top end pipe on my 2002 400 scrambler 4x4. The clutch kit that I want to use is the heelclicker, from what I've been reading if you buy the pipe from one company you should probably stick with that company's clutch kit. Can anybody see any downfalls to running the heelclicker+AAEN setup. Or does anyone have an opinion on what pipe/clutch setup I should run. Also does anyone have any experience with either of these products, I would love to know some of their plusses and downfalls.
Thanx in advance

 

The Aaen top end pipe lacks a little in the bottom end torque department. The heelclicker will give a good positive bite on the belt, and that might cause you some loss of low end power. I have the top end pipe on my 2x4 trail bike, and I am not really happy with it. The HPD trail pipe has better response and low end. On a 4x4, I would think about a mid-range pipe or something that adds a ton of bottom end. Just my .02. Bubba

 

Not to bash Aaen's products,but like Bubba said it definitely lacks bottom to midrange.Give Ritter cycle a call he can set you up with everything you need.Like you mentioned get the pipe and clutch kit from the same place ,it can save you alot of tuning headaches.Later.

 

OK here are my thoughts on the Aaen <U>topend</U> pipe. It all depends on where you want the power to be. The aaen powerband is more towards the top end whereas the HPD is a little more linear. I took time to compare both companies dyno's of just the pipe. These are estimations from the dyno chart.
<U>HPD</U> <U>Aaen
</U> 4750 RPM 32hp 33hp
5000 35 35
5250 38 38
5500 39 42
5750 41 45
6000 42 47
6250 42 48
6500 43 47
6750 44 45

As you can see, the Aaen topend pipe has more power toward the top of the powerband than the HPD trail pipe. So, It all depends on where one wants the most power when. I have an Aaen pipe and I am happy with the results with my current mods. Also, cannot tell what the power difference is below 4750 rpm because Aaen doesn't show it on their dyno chart, but I would assume it is much less than the HPD trail pipe. About the Heelclicker, I think that system is good for bigger 4wd's that the owner's are looking more for bottom end grunt than for overall performance. In my opinion it is best to go with the clutch set-up that the pipe maker recommends if you are not familiar with clutches yourself and the tuning involved.