FMF Q4 Slip-On Exhaust Kawasaki KLR650 2008-2018
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  • FMF Q4 Slip-On Exhaust Kawasaki KLR650 2008-2018 - Stainless Steel/Aluminum/Stainless Steel

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MSRP
$379.99
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$38.00
Price
$341.99

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Video Reviews (2)

FMF Q4 Slip-On Exhaust Kawasaki KLR650 2008-2018 Videos

This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

FMF Q4 Slip-On Exhaust Kawasaki KLR650

FMF is the leader in high performance, quiet exhaust technology and the Q4 Slip-On muffler is the perfect choice when looking to decrease sound levels without sacrificing horsepower. The Q4 exhaust employs intricate chambers, baffles and proprietary multi-stage packing material, making it one of the best performing quiet mufflers available. With the Q4, FMF has proven you don’t need to settle for a plugged up, horsepower-robbing muffler to keep noise levels down.

Features:

  • Developed over years of championship off-road racing
  • Max Sound output 96 dB; most models below 93 dB
  • Constructed from aircraft grade aluminum
  • Removable spark arrestor included
  • Can be used with stock or FMF Header
  • Weight: 5.7 lbs
  • 100% Made in the USA
4.8 / 5
Bang For The Buck
4 / 5
This Product Fits:
Kawasaki
KLR650 20082018
Product Style RevZilla Item # Manufacturer Product # Availability
Stainless Steel/Aluminum/Stainless Steel 1007867 042321 In Stock: Ships next business day

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5.0 / 5.0
2 Reviews
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Bang For The Buck
4.0 / 5
Bang For The Buck
4 / 5
Lawn Mower Upgrade
I needed a pipe that would make my bike sound less like a riding mower and more like a bike. Also needed the throttle response opened up a little bit. Did both!

2015 KLR
May 24, 2016
Purchased
1 year ago
Ride:
2015 Kawasaki KLR650
Bang For The Buck
4 / 5
It braaps, it barks, it really is sweet!
No reviews!? Half the people I know with KLRs have this slip on.

Has anyone ever told you your KLR sounds like a lawn mower? Well not any more sucka!!

I just realized that I would sometimes ride my klr slowish because I was ashamed of the stock mechanical sound, almost more engine than exhaust, but this slip on its all exhaust note. It just sounds..good!

Yes, it is substantially louder than stock, particularly with short little inputs...it'll bark/pop/braap much louder than stock. That being said, YOU CAN RIDE IT QUIET (but you won't want to very often haha) by being smooth, and at cruising or constant throttle or even decelerating it is really quiet and low, doesn't drone.

Install was maybe the easiest thing I've done to a bike other than mirror replacement...fit was PERFECT, no trimming or wiggling or drilling. perfect.

Its way lighter than stock, looks cool, sounds amazing, and I swear it feels faster...but everyone thinks that I guess.
April 7, 2016
Ride:
2013 Suzuki GSX-R600
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Browse 3 questions Browse 3 questions and 6 answers
Why did you choose this?
RevZilla Store
I initially chose this exhaust to have a bit more of a robust exhaust note. The FMF Q4 definitely provides this though it's really too much for my liking. I've since gone back to the OEM exhaust setup.
outdoorx4 on Jun 18, 2017
Good quality
gary T on Oct 6, 2016
I initially chose this exhaust to have a bit more of a robust exhaust note. The FMF Q4 definitely provides this though it's really too much for my liking. I've since gone back to the OEM exhaust setup.
outdoorx4 on Jun 18, 2017
Based on various experiences related on the web
EB on Nov 23, 2016
Good quality
gary T on Oct 6, 2016
I chose this muffler in order to drop some pounds and pickup a bit more HP (mileage) from the bike. However, the increase in noise level was SIGNIFICANTLY more than anticipated.
Steven C on Jun 16, 2016
Saw this on internet hope it works as good as they say. Find out soon.
Brad S on Feb 26, 2015
Based on various experiences related on the web
EB on Nov 23, 2016
I chose this muffler in order to drop some pounds and pickup a bit more HP (mileage) from the bike. However, the increase in noise level was SIGNIFICANTLY more than anticipated.
Steven C on Jun 16, 2016
Will I need to change jets with the installation of this pipe?
Sal B on Apr 23, 2017
BEST ANSWER: I did not change the jetting.
Everything seems to be ok.
I live in CA. can I run this on the street without getting myself in trouble?
George D on Jul 11, 2017