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Old 02-01-2009, 04:00 PM
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BlueZ33
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Default VQ35HR Stock cats

has anyone gutted their stock cats, if so has anyone seen any gains?
Old 02-01-2009, 05:17 PM
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Seb-Specialty-Z
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Not a good idea to gut them for a few reasons.

You'll lose a good set of cats for smog later on down the road.
You'll create more turbulence in the exhaust which can negate any gain you may have by removing the cat material.
Your also keeping the smaller piping diameter.

Your best bet is to invest in some test pipes. I recommend resonated test pipes from Fast Intentions if your looking to get rid of the cat and keep rasp to a minimum.

Check us out for any great deals on Fast Intentions exhaust needs.
Old 02-01-2009, 07:38 PM
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davidv
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Not sure why this is VQ35HR unique. Members have gutted OEM catelitic converters. Its a pain. Decent test pipes will set you back about $150.
Old 02-02-2009, 10:59 AM
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Q45tech
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Most avoid committing the Federal Felony of violating the Clean Air Act by illegal tampering with oem exhaust. If a shop is caught they are subject to jail and $10,000 fine PER CAT.
Selling a tampered vehicle is fraud and allows the future buyer to sue you to force restoration to oem years after a fraud sale! Depending on state you have 7 years to worry.
Tampering can void warranty on engine and allow dealers to refuse to service your car.
Old 02-02-2009, 01:02 PM
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track1z
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Originally Posted by Q45tech
Most avoid committing the Federal Felony of violating the Clean Air Act by illegal tampering with oem exhaust. If a shop is caught they are subject to jail and $10,000 fine PER CAT.
Selling a tampered vehicle is fraud and allows the future buyer to sue you to force restoration to oem years after a fraud sale! Depending on state you have 7 years to worry.
Tampering can void warranty on engine and allow dealers to refuse to service your car.
ANYWAYS You can go to your exhaust shop and have test pipes welded up for $100 bucks.PLUS your cats are worth about 150 dollers to the scrap yard.Wait till summer and you'll get that easy.
Old 02-02-2009, 04:48 PM
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BlueZ33
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the reason i ask is a friend of mine gutted his awhile back and he recently gave them to me to put them on my car if i wanted to, but i never new he did it to his set, or what he might of gained if anything out of it
Old 02-03-2009, 10:50 AM
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singh
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gutting stock cats is f*cking stupid..
Old 02-04-2009, 03:00 PM
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kramykram
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if you want put his gutted cats on, and send me your cats. then i will send you this set of test pipes. =D
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