Lexx Exhaust for '09 KFX 450R??

[dirtjunkie85]

Hello I just bought a new KFX 450R 2009 and have been looking for a exhaust for it I am looking at the Lexx Exhaust it is just a slip on but the stock head pipe is pretty good so I think that's all I need. Anyone have any input on the Lexx or any exhaust for the KFX?

[Stoopidbot1]

One of our members recently bought a Lex pipe and it fell apart pretty quick...

[DirtDemon]

That's right, I had one, it performed well, but started falling apart after about 4 months of hard weekend riding. I called RM ATV and they said that there was a plan in the works to fix this problem, so you may call them and ask if they have implemented it yet. Or you can just take your chances, the worst that could happen is that you have a problem with it and have to send it back. They are very good accepting returns. I chose to send mine back and got the Team Alba full exhuast kit off of ebay for $350. You won't find a decent brand new full exhuast system for that price anywhere. They also have thier own fuel controller for only $200 and they will give you custom maps to match the mods on your machine. I have only put one good ride on it, once I got the fuel controller dialed in it works great. Added power everywhere. Then I ran into a tree and broke my shoulder blade, 2 ribs and suffered a grade 3 shoulder separation. So it will be a while before I can speak on behalf of it's reliability. Any way you go, a fuel controller is a must IMO, especially if you want to take the quiet core out and open up the airbox. It is usually best to buy the pipe and controller from the same company, becuase they have maps already made up for using their own pipes. Or the Dynajet PC V has an auto tune funtion, I am wishing that I would have spent a few extra $ and got that one. I got the Lexx controler because I had the Lexx pipe at first. The fuel controller works well, and is easy to adjutst, no problems so far.

Edited February 3, 2011 by DirtDemon

[dirtjunkie85]

Just wanted to let you know they must have fixed any problem there was with the lexx exhaust I have been running one and no problems at all it works great exspecially for 200.00 bucks you cant go wrong!!

[DirtDemon]

The rep I spoke to at Rockymountain told me that they were addressing the problem they were having with the rivets, but she wasn't sure when the new pipes would be hitting the shelves. Sounds like you got a good one. Like I said, performance wise, it worked great, it just started coming apart on me.

[dirtjunkie85]

Ya I did a little more research and checked with Rocky Mountain and the issue has been fixed so sounds like these should be a good pipe now, glad I got a good one!!