Gutted the catalytic converter with fantastic results!
So my cat went bad and got all clogged up so i paid this redneck guy to do it for 50 bucks, and wow my car runs so much better, like i am pretty sure it has more power than it did out of the factory now and its completely stock. For example i can run in first at 3500 rpms and if i slam the gas my wheels will spin, and i have new yokohama radials, thats pretty damn good! i highly reccomend that you gut your cat if you have issues with it, unless youre a 1998 or newer cuz the obd2 has o2 sensors on the cat unlike the obd1 which has it before the cat!
Copious dyno results show that a test pipe on a stock B-series engine yields about 1-2 WHP. Gutting the catalytic converter would have a similar result. I'm sure that your car runs markedly better since the catalytic converter was previously clogged.
Gutting the cat will actually make less power than a proper good working cat due to the turbulance it causes. But yes is if the cat is clogged it will obviously run better gutted.
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If not he's an idiot, you could have sold the cat for at least $50, bought a test pipe for about $10 and profited the rest. Instead he lost $50.
How can I tell if my cat has been gutted? I tapped on it and it made a wind chime noise (catback aftermarket exhaust). I tapped on the resonator that's about a foot and a half downstream and it made a similar, but not exactly the same, noise. D16Z6, full 3 inch stainless exhaust, and a 4.5 inch fart cannon.
Ha, your sig quote was in a golden thread. Wasn't it that guy who wanted to figure out how to put the blue H emblem on his grill without gluing it?
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muffler man
All Motor / Naturally Aspirated
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Aug 4, 2011 01:37 PM








