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Hey everyone im going to install my mopar intake kooks headers , hhp stage 2 cam porting the heads intake and throttle body and high flow cats.. What kind of hp gains am i looking at? Is my MPG going to decrease dramatically? Thnks
 

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You should expect to get new tires
 

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a kick in the @ss (the goof kind) lol.
what engine is all this going on? 5.7 6.1 6.4?
 

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depending on the characteristics of the cam and the tuning it requires, it could affect your MPG.

Often what happens, is with the additional responsiveness, you may tend to 'explore' that newfound power, and that is the culprit for lower MPG.

Restraint will be the watchword...restraint. Otherwise, enjoy what's on tap from your mods.
 

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I would be very surprised if your gains were under 100 rwhp. Id say closer to 110ish. Just a guess though. Probably expect slight drop in mpg due mostly to cam i would think
 
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