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Old 01-09-2013, 02:18 PM
BurntCherryCoke BurntCherryCoke is offline
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Originally Posted by RamTech View Post
I agree with much of this. Even with the A/C on while moving at highway speeds, it's unlikely the electric fan will come on. Messing with the cat is a bad idea, IMO. One - because I've never seen any imperical evidence that there's any mileage to be gained and two - it will kill your warranty.
Would it just be smarter to replace the headers and the rest of the exhaust?

If i did mess with a Cat, i'd probably go with a dealer approved high-flow cat.
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