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Old 03-02-2008, 11:55 PM
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Default Re: gas milage after catback install?

Quote:
Originally Posted by jphh20
I'm stock under the hood.
You could try adding a CAI cold air intake mod or one of these ebay available air mods to increase air flow. Do a search for details...
Adding a header increases exhaust backflow. Without complimenting this on the intake side is incomplete.
Do more research to satisfy your own decision.
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