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Old 12-31-2011, 08:34 PM   #1
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thoughts on cutting of catalytic converter

Im thinking about cutting off my catalytic converter or hollowing it out, wat r some pros and cons of this?
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Old 12-31-2011, 09:26 PM   #2
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Re: thoughts on cutting of catalytic converter

pros....higher exhaust velocity...more noise...less things to scrape on a lowered car...

cons....illegal, but who cares if you know how to work around it
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Old 12-31-2011, 09:45 PM   #3
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The illegal part wouldnt b a problem
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Old 12-31-2011, 09:48 PM   #4
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Wouldn't waste time hollowing them out unless you knew you'd have to pass a visual check. The extra noise is the only downside IMO and for me it's an upside too
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Old 12-31-2011, 10:40 PM   #5
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The only reason Im thinking about hollowing them out is because the mechanic we use is one of my dads best friends, we dont wanna get him n trouble if we get caught bc he does the inspection, would there b a sound or hp difference between hollowing them out or cutting them off?
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Old 12-31-2011, 11:19 PM   #6
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Quote:
Originally Posted by shsfresh87
The only reason Im thinking about hollowing them out is because the mechanic we use is one of my dads best friends, we dont wanna get him n trouble if we get caught bc he does the inspection, would there b a sound or hp difference between hollowing them out or cutting them off?
That my friend I don't know. If that's the case you need to save for a new mid pipe w/ high flow cats, that way you get the Benefit of the larger diameter piping. Macs pro chamber pipe is a great option VS. the cost. Keep hearing ppl mention the pro chamber
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Old 01-01-2012, 01:08 AM   #7
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Re: thoughts on cutting of catalytic converter

i'm a prochamber fanclub guy for life lol...i had one on my GT with an o/r setup and i put a prochamber on my v6
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Old 01-01-2012, 07:56 AM   #8
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Quote:
Originally Posted by shsfresh87
The only reason Im thinking about hollowing them out is because the mechanic we use is one of my dads best friends, we dont wanna get him n trouble if we get caught bc he does the inspection, would there b a sound or hp difference between hollowing them out or cutting them off?
Just pay him cash and take the old cats with you. Replacing cats with a pipe is no time at all to a professional.
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Old 01-01-2012, 01:41 PM   #9
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I would recommend judt getting a catless PIPES x-pipe. It will cost you about $150 shipped to your house from AmericanMuscle.com
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