running a test pipe, better mpg?
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Rep Power: 294 Yes, unless you are flooring it everywhere you go, then you may decrease a hair.
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Rep Power: 272 No it will not increase your MPG. I have a Megan test pipe and you will notice a huge lost in my MPG. And I am considered as a "Granny Diver" BTW. I might be wrong but this is what I have encountered for all most two years now.
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Rep Power: 251 looks like i should be putting my cat back on.
same question applys to a catback exhaust system...will an aftermarket (specifically the apexi world sport) increase or decrease my mpg?
same question applys to a catback exhaust system...will an aftermarket (specifically the apexi world sport) increase or decrease my mpg?
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Originally Posted by D17thgen
looks like i should be putting my cat back on.
same question applys to a catback exhaust system...will an aftermarket (specifically the apexi world sport) increase or decrease my mpg?
same question applys to a catback exhaust system...will an aftermarket (specifically the apexi world sport) increase or decrease my mpg?
Bigger piping will in theory decrease you MPG because you have shifted you power band up, meaning it now requires the engine to produce more less effiecent power (read more fuel for the same power at lowwer RPMS). In practice, I don't think it will make a difference untill you start flooring it.
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