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2018 KLX250 Looking for Aftermarket Exhaust but where are the maps?

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  #21  
Old 02-28-2018, 10:43 PM
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Originally Posted by Topher749
I just installed a KLX300 pipe and headder on my 18". I also installed the O2 sensor bypass that I got off of ebay. I got some backfiring on deceleration for the first couple runs down my street. Seemed to work itself out though. Maybe the ECU adjusting the the O2 sensor being bypassed?

Didn't notice much difference between the two pipes. 300 is louder, maybe a bit better throttle response. They weighed about the same with the 300 being slightly lighter. Time will tell.

Topher
What brand of pipe did you install?
 
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  #22  
Old 03-01-2018, 01:51 AM
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Looking to change the exhaust on my 18 Camo as well. For giggles, I’m going to ask my dealership and see what they say.
 
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  #23  
Old 03-01-2018, 11:33 AM
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Default Thank you.
Thanks for all all the great replies.
 
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  #24  
Old 03-01-2018, 12:25 PM
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Originally Posted by Cormace
What brand of pipe did you install?
It's a OEM KLX300 pipe.

Toph
 
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  #25  
Old 03-01-2018, 01:50 PM
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I’m planning on buying the bike in the next month. I have settled on a 2 Brothers pipe. I really like their sound.
 
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  #26  
Old 03-01-2018, 03:47 PM
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Did you find a video or sound clip?
 
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  #27  
Old 03-01-2018, 04:11 PM
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Originally Posted by Ramajama
Did you find a video or sound clip?
There are lots, but here is a good one ...

 
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  #28  
Old 03-01-2018, 04:38 PM
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Originally Posted by Chubbycop


There are lots, but here is a good one ...

https://youtu.be/--RUc1zkLeU
Thanks! That does sound and look great! I dont know why my searches are coming up slim pickings? Im doing it wrong! I guess.
 
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  #29  
Old 03-01-2018, 05:29 PM
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Guys I found this - Kawasaki KLX250S FI MAGNUM EVO-Tech Motorcycle Performance Chip

The company- Magnum - is irrefutably reputable. This kit ties in to the O2 sensor. So it is likely that "closed loop" operation is still a working function of the EFI system. If so, this is quite sophisticated. Closed loop ops allow great fuel economy for cruising and during lower performance riding..
 
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  #30  
Old 03-01-2018, 06:03 PM
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I just spoke with my dealership and they recommend a Yoshi slip on. He said that I can install it then bring it back up to them and they will tweek the FI mapping. He said, it doesnt really NEED any changes but they can make some changes that would be beneficial. Im probably going to take them up on that.

Yoshimura Exhaust and Accessories - Kawasaki KLX250S/SF 2018

http://www.yoshimura-rd.com/product/...14301bc350.asp

 
Last edited by Ramajama; 03-01-2018 at 06:07 PM.
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