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I recently completed a full tune up with timing belt. I don't know what would be causing the cat to go bad. Since gas is getting more expensive I am using 89 octane instead of the 93. I think I going to buy two MagnaFlow cats and have my buddy weld them in. I found a great deal at performancepeddler.com two for $137.88. I hope the Magnaflow wil help with some performance at the exhaust.
Last edited by zman : 05-12-2008 at 03:27 PM.
Reason: miss spelled a word
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