Backfire??

[philblumenfeld]

Occasionally I get a backfire sound when shifting.
I don't know what it means and what to do.
This seems to have started after doing a cat bypass.
Thanks for any advice.
2012 RT-L

 

[mastertek2000]

with less back pressure you will get that

 

[Bob Denman]

:agree: Tinkering around with a carefully thought-out design, can often lead to unexpected consequences... :shocked:

 

[Chupaca]

Here's the thing..!!

you have that and have but when you open up the exhaust you can hear it. It may clear as the computer re-adjusts for the change. Make sure you give the computer a chance, remove the key return and turn the ignition on wait a minute or two then start and let idle again for a few minutes...:thumbup:

 

[samewok]

My bypass has been on for a year it does it also. Bike runs fine .

 

[GunDoctor]

My F3 has the same issue, but I would expect a few pops here and there with less back pressure. No biggie


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