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Old 01-26-2013, 11:29 PM   #1
robdogg OP
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Leo Vince LV One or FMF Q4?

These two seem pretty even on price/function. They both come with spark arrestors.. which is a must for me, and both are around $550 or so.. which is way less then the all the other brands.. but I think I have read about people having to futz around with the LV's.. either with the mounts, or with fitting on the headers?? or is that some other brand that has that issue? I guess both have fairly frequent repacking needs since they are straight through design?

personally I think the LV is a little more pleasing to the eye.. but that is last on my list, I'm happy as long as they don't look uglier then the stock cans.. heh

any other tips, advise to help me decide?

oh, and a 2010 990A would be the recipient
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Old 01-27-2013, 12:56 AM   #2
T-Mac
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I had the LVs and loved them.
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Old 01-27-2013, 04:20 AM   #3
DeepInIt
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My LV has done a lot of miles. My only complaint is the mounting system if you will be seriously offroading. The combination of a lot of weight behind the mount point and a wrap around band hanger allows things to loosen up in hard riding. One part of the assembly is a press fit. I only have had problems after 40K but... Best is a welded mount point that keeps the can secure in all directions.
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Old 01-28-2013, 04:48 PM   #4
Off Road Ryder
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Quote:
Originally Posted by DeepInIt View Post
My LV has done a lot of miles. My only complaint is the mounting system if you will be seriously offroading. The combination of a lot of weight behind the mount point and a wrap around band hanger allows things to loosen up in hard riding. One part of the assembly is a press fit. I only have had problems after 40K but... Best is a welded mount point that keeps the can secure in all directions.
I have had lots of issues with the Leo joint. Nice pipe and I really like the Spark arrestor. The pipes been welded and still comes lose after a good ride. Anyone found a better solution to this issue? Based on the mount I would go another direction next time.
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Old 01-28-2013, 07:22 PM   #5
robdogg OP
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good feedback.. thank you very much.. while I won't be racing my 990a offroad, I do like riding some pretty rough terrain..

FMF it is.. I had them on my 950, and never had a problem..

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Old 01-28-2013, 07:29 PM   #6
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I have a 2 into 1 with a FMF Q4 and have never had any problems with the pipe. I aslo like the way the pipe has the mount welded to the pipe. Very strong and looks good.
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Old 01-28-2013, 11:42 PM   #7
robdogg OP
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Originally Posted by KTMADV View Post
I have a 2 into 1 with a FMF Q4 and have never had any problems with the pipe. I aslo like the way the pipe has the mount welded to the pipe. Very strong and looks good.
that's a fantastic idea.. thanks.. and I see advtank is selling the 2:1 with an FMF Q4 for $400. seems like a great way to go..
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Old 01-29-2013, 05:20 AM   #8
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If you wanted to save money you can make your stock mid pipe into 2 into 1. Thats what I did
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Old 01-29-2013, 06:17 AM   #9
robdogg OP
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Originally Posted by KTMADV View Post
If you wanted to save money you can make your stock mid pipe into 2 into 1. Thats what I did
how would I do that? I don't have a welder, but if I did, got any plans or a how to write up?
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Old 01-29-2013, 08:01 AM   #10
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how would I do that? I don't have a welder, but if I did, got any plans or a how to write up?
I took mine to a local Auburn Wa Muffler shop who makes custom headers. Cost was 50.00 a single pipe is nice.
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Old 01-29-2013, 09:06 AM   #11
robdogg OP
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Originally Posted by Cyclops Motorsports View Post
I took mine to a local Auburn Wa Muffler shop who makes custom headers. Cost was 50.00 a single pipe is nice.
could you PM me the shop info please? I have a welding shop that has done some stuff for me, but I'd prefer folks that have experience with exhaust, particularly bikes.
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Old 01-29-2013, 09:48 PM   #12
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For those that did a 2-1 what pipe did you use? I've been trying to find something compatible with the 950, but most of the single pipes sold are dirt bike sized, and won't flow enough exhaust.
Alternately, is there a reason a slip-on for a liter bike wouldn't work? If an engine is just a big air pump, and given that the 950 is similar in displacement to a liter bike, any reason not to go that route? Ignore the mid-pipe and mount differences- shouldn't be too hard to have a mid-pipe made to fit, and use an exhaust hanger strap to get the placement right.
A quick search on-line shows a Ti Yoshi pipe for a CBR 1000 for $450. Not bad, and a fair bit less expensive than the Remus/Akra/Wings option.
Thoughts?
FWIW, I'm currently running a 2-1 with an FMF Powercore, but I think the pipe's too restrictive. I had the carb jetted, but the mileage is pretty bad: 25 mpg. Based on what I've read here, I should be able to get closer to 35 with a 2-1 and well-tuned carb. Just need to find the right pipe/jet combination. What's your secret?
G
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Old 01-29-2013, 07:07 AM   #13
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You could tig weld it. Take it to a shop. Dont use a wire welder. Here is a pic of mine. My friends shop only charge $75.

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Old 01-29-2013, 10:02 PM   #14
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Your bike should be getting better fuel milage. Here is what Iam running. Here is the link.

http://advrider.com/forums/showthread.php?t=839023
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Old 01-29-2013, 10:57 PM   #15
gweaver
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Originally Posted by KTMADV View Post
Your bike should be getting better fuel milage. Here is what Iam running. Here is the link.

http://advrider.com/forums/showthread.php?t=839023
I'm not sure what the current jetting on my bike is. I had the carbs done about a year ago- 2-1 with the Powercore and the pre-filter. Ran great, tons of torque, but about 120 miles to the fuel light. Took the shop about 20 hours of shop and dyno time to get there. Mine was the first bike they'd seen with a 2-1, so they had no baseline to start with. I was hoping for more mileage, so they suggested pulling the prefilter. Did that, I can go about 125-127 to the light, but there's a nasty flat spot right around 6700-7000 rpm. Called the shop about 4 months ago, but apparently the jet settings weren't entered in to their customer database, so no luck there. I do remember them saying they had to go down a size (apparently very unusual) to make any significant improvement. Can't bring myself to spring for another round of dyno time, esp. considering I think the exhaust is choking the bike. I'd like to try to find some solid setup info- pipe plus jetting, that I might be able to try at home and save myself dyno costs. Or at least use setup info to get me close, so I can minimize dyno costs.
G

Robdogg: might be interested, but my concern is that after my current experiences, one pipe might not flow enough exhaust. I'm curious to see if anyone has any thoughts on using an exhaust designed for a liter bike. Something to consider...
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