Slip on Exhaust - Kawasaki KLR 650 Forum
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

 
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post #1 of 4 Old 05-04-2017, 08:00 PM Thread Starter
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Slip on Exhaust

Hello forumites, I am looking for a slip on exhaust that doesn't change the DB output, but is significantly lighter than the OEM. Any ideas?
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post #2 of 4 Old 05-05-2017, 10:54 AM
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Yep; no such thing. Nothing is as quiet as stock. As far as weight, my Q4 saved 6 lbs over stock, the LeoVince saved 4 lbs. Here's my standard silencer post;

A subjective topic but to recap recent discussions;

I don't like loud but I've replaced the stock silencers on both KLR's for several reasons, namely; lighter weight (5 - 7 lbs), better tone, better looks. .....I wouldn't recommend it thinking there will be a noticeable increase in power, nor would I put much faith in manufacturer's that claim much in the way of HP increases (with no other changes).

After much research and some testing, I like the LeoVince X3 which is relatively quiet at 94db, doesn't require repacking (the only one that doesn't AFAIK, except for the ridiculously expensive Staintune out of Austrailia), looks decent and has a spark arrestor and USFS compliance. Runner up would be the Lexx with the optional trail insert; also around 94db but it does require periodic repacking. I also like the FMF Q4 but it is a bit louder (though still trail compliant) at 96db (keep in mind that the increase in decibels isn't linear).

There are a great many aftermarket silencers on the market that are far too loud IMO and you'd do best to avoid them.

Good luck,

Dave
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post #3 of 4 Old 05-05-2017, 10:58 AM
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IIRC, stock is rated at 89 db.......and if you know how the db rating system works (it's a logarithmic function), the sound power doubles every 10db.

I'm really happy with my LV X3 even though it's a couple lbs heavier than my Q4.....the difference in sound is quite noticeable.

Dave
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post #4 of 4 Old 05-07-2017, 11:35 AM
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I used a Pro Circuit type 496 muffler. I can barely hear it on the highway when cruising, can't hardly hear it at all with ear plugs. Nice bark to it, but not overly loud. It will scream when you go WOT tho. Like Dave, mine was around 4-6lbs saved. Don;t remember the exact weight difference, but the throttle response down low perked up a noticeable amount.

The weight savings and performance gains are not enough to warrant spending any money, though IMO. I picked up my can for $50. That's about all I'd budget for what is essentially bling. JMO, ofc.
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