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Guys/ Gals I put a set of Rush slip on mufflers on my 08 Springer. They sound much better than the factory pipes. My question is I did not do anything to the computer and the bike runs fine. It idles and does not miss on acceleration but when I let off the gas the pipes do backfire some. Its not a loud backfire I just think its the compression from the engine. Is this normal ?
I would not put any type of exhaust mods on a 110 motor without adding the fuel management system. These motors run extremely hot to start with and need the fuel/air ratio modified IMO.
I am not sure if the SERT is available for the 08 models yet?
The problem I see here is the air cleaner on a S.E. bike is a hi-flow,with that air cleaner you have to run a tuner of some sort to accomadate for the added air flow.
I called the dealer and they have a SERT avaible for my bike. I guess I will get it and have the bike put on the dyno. I am second guessing myself for doing this becuase I am reading all kinds of e mails about voiding my engine warranty. And from the sounds of some other guys problems with these 110 engines I am geeting scared. I guess if the SERT makes the engine run cooler thats one good thing.
I called the dealer and they have a SERT avaible for my bike. I guess I will get it and have the bike put on the dyno. I am second guessing myself for doing this becuase I am reading all kinds of e mails about voiding my engine warranty. And from the sounds of some other guys problems with these 110 engines I am geeting scared. I guess if the SERT makes the engine run cooler thats one good thing.
The part # for the tuner is 32107-01H
Talk to your service manager that will be adding the SERT and express your concern over the warranty issue. If you have a good dealer it will not be a problem if they install it and perform the download.
You also do not have to dyno the bike. If you are using "common" pipes they probably have a download for your application. You couldget a few more hp's out of a dyno but the bike should run fine with a canned download.
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