I had Rinehart slipons installed last summer along with a Power Commander III and an SE airbox. My bike runs OK, but backfires and pops on decel and between shifts! I HATE that. Dealer says that's "normal". I've seen other bikes with this setup and they sound much better with no popping. What do you think the problem is? Oh yeah, 2007 RKC.

BTW, my bike makes a "chirp" when I shut it off. Sounds like a bird "chirp". I only hear it when I shut the bike off though. Could it be an exhaust leak, and could that also cause the popping?

 

Should be able to tune out the decel pop@ 0% and 2% throttle on upper rpms. See where you are getting the pop and try 45 in the boxes, if that doesn't work use -45

 

I had a dealer tell me that some of the poppig on decel is due to the ethanol in the gas.

 

HaHa!!! The things dealers say to cover bad tunes.

To the OP. Before anything else, you MUST make sure there are NO leaks in the exhaust. Leaks will cause pops and will sound like hell.

 

Take it in to someone who is a tuner, and have it tuned.....And by "tuner," I mean someone who can tune, not just someone who has a dyno. As already mentioned, you can tune out the decel pop.