Any body using this on their 11 and up apex. Just need to see if anyone else is having the same issue as me with it blowing sut out the exhaust first few minutes of warm up. I asked about this last year and still looking for answers. I called ulmer on the fuel mod and that's not it. Another memeber said the exhaust isn't breathing right with the hauck silencer choking it out. It also seems like the gas milege isn't that great.
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