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post #1 of 4 Old 06-03-2008, 06:11 PM Thread Starter
Join Date: May 2008
Posts: 5
Aftermarket exhaust

ANY and ALL input on air exhaust modifications deeply appreciated. Been looking around the internet for a few months now and I am probably more confused than ever.
Could Newton have been theorizing KLR exhaust? I find that for every good review, there seems to be one to contradict.
I do mostly two lane blacktop with an occasional foray into town. I don't mind a little sound as long as it's done right. I am looking forward to your input!
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post #2 of 4 Old 06-03-2008, 06:13 PM Thread Starter
Join Date: May 2008
Posts: 5
Aftermarket exhaust addition

Sorry all
Forgot to mention I have a stock 08. Oops!
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post #3 of 4 Old 06-03-2008, 06:25 PM
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Join Date: May 2007
Location: Richmond, Ky
Posts: 1,980
My buddy and I just got thru doing the same thing this past winter during our down time. Ended up with a Jardine Slip on from, their jet kit and an open elment air filter. Thru many trials and tribulations and some help from those with much more experience and Dyno testing, this is what we are currently running on our Pre 08's, altho the theory will be the same with yours.

Jardine and or Studebaker slip on exhaust from
Used the adjustable Studebaker needle with e-clip on middle position
Kept stock jet, which is a 148 on ours, yours should have a 145. You might have to upgrade to a 148. Stick with a Kawasaki 148 if so.
Eagle Mike said to stick with the factory air cleaner as it flowed best.
Did the airbox mod ie: 5 or 6 one inch holes in the top of the airbox. Make sure not to drill holes past the wall that seperates the airfilter from the Carb intake. Remove the OEM plug from the idle mixture screw and from a soft seat, "means to turn the screw in till it just seats" then turn it out 2.5 turns. The instructions say 3, but that is too much. The Jardine seems a little loud at first, but to be honest, I don't even pay attention to it anymore. They do make an quiet insert for the pipes, an extra $25 or $30. It does make a pretty good difference in sound output, but also kinda kills some of the gained power increase. With these mods, the front end will rise easily with just throttle input in first gear. Some have been able to get 2nd gear wheelie, but I can't with my gut hanging onto the tank, LOL. Hope this helps some.

I know there are a bunch of other exhausts out there that are outstanding, but this is the only one I have experience with.


2008 DL650 VStrom Yellow and Black
Previous ride was a 2007 KLR Black/Silver, I miss it..
Looking to get back into KLR's sometime soon.

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post #4 of 4 Old 06-03-2008, 11:24 PM
2nd Gear
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Join Date: Oct 2006
Location: Rainier, ORYGUN
Posts: 357
Scorpion stainless on my '06. No nothin and get 55 mpg to boot (3 mpg better than stock)

'06 KLR650
'06 DL1000 V-Strom
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