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bballbraedon

M4 slip on exhaust

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bballbraedon
Does anybody know if i need a power commander or something after installing my M4 slip on exhaust? Dont want to wreck my pistons...dealer said to pull out a spark plug to check but that is a mission to take the bike apart...
 

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mjh937
You figured out how to start a thread ?. Some guys do not use a fueling solution and others have. If you do not you will probably get popping on deceleration and the fuel mixture will not be optimum. You can do an ECU flash or an EJK. There is a great vendor for each in the supporting vendors area. Having proper fueling for your setup is definitely the best idea.

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606shark
I have the M4 with EJK no 02 sensor. Sounds awesome!
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