High Performance Cat
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Senior User
Joined: Oct 2006
Posts: 179
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From: SOUTH JERSEY
High Performance Cat
How Much Mileage Can I Gain With A High Flow Cat Vs. Stock Cat? Does Anyone Have This Set Up And What Is The Cost? Will This Compliment My Existing Mods?
K&n Fipk, Gibson Exhaust And Y Pipe Conversion.
K&n Fipk, Gibson Exhaust And Y Pipe Conversion.
Elder User
Joined: Apr 2004
Posts: 782
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From: Sweet Home Alabama
you may gain some but it would be negligible and more associated with margin of error or driving habits. It will only hurt mileage if you drive it harder, other than that it has to reduce back pressure some and therefore improve (albeit slightly) mpg or not change it. As far as the other mods, it will increase noise some just due to less restriction/muffling. If you can get one cheap and do it yourself, I say go with it. If you are doing it for mpgs, probably will not be happy
Let us know what you decide.
Let us know what you decide.
