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'99 - '06 GM Truck Modifications
Engine & Performance
ebay cold air intake
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<blockquote data-quote="hotrodpc" data-source="post: 276" data-attributes="member: 27"><p>So how true is it that a CAI hurts the mpg? And for how long until the ECM learns what to do with the added air? </p><p></p><p>I've also heard CAI can permanently hurt the mpg until you do something with the exhaust, that when you modify the exhaust, that's when you can really tell the difference and get a better gain from a CAI. Also been told the MAF doesn't know what to do with all the extra air and it gets confused so that's why the mpg goes down, that a CAI, some Flowmasters and then a chip tune that the 3 together as a package is real trick to gaining performance and gaining mpg, but to just bolt on a CAI is not all the beneficial. </p><p></p><p>Curious to see if that seems true with you guys who have added the CAI already.</p></blockquote><p></p>
[QUOTE="hotrodpc, post: 276, member: 27"] So how true is it that a CAI hurts the mpg? And for how long until the ECM learns what to do with the added air? I've also heard CAI can permanently hurt the mpg until you do something with the exhaust, that when you modify the exhaust, that's when you can really tell the difference and get a better gain from a CAI. Also been told the MAF doesn't know what to do with all the extra air and it gets confused so that's why the mpg goes down, that a CAI, some Flowmasters and then a chip tune that the 3 together as a package is real trick to gaining performance and gaining mpg, but to just bolt on a CAI is not all the beneficial. Curious to see if that seems true with you guys who have added the CAI already. [/QUOTE]
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'99 - '06 GM Truck Modifications
Engine & Performance
ebay cold air intake
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