deleting cats
08-14-2005, 12:42 AM
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deleting cats i'm considering deleting my cats since pa doesn't test emissions in my county. What would be the cheapest way to go through with this? getting a new off road y pipe? or just getting pipes that replace the cats with straight pipes? I also know that i need o2 sims for the second set of o2 sensors. My car is pretty much stock except a slp lid and a Tsp rumbler cat back. Wouldm that make my car louder cause the rumbler isn't loud enough...lol.
08-14-2005, 02:26 AM
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deleting the cats will make your car alot louder. im waiting on my o2 sims to come to cut mine off, since i jsut had a true dual setup installed. o and it sounds so nice. just put pipes inplace of the cats you have. thats all i did on my lt1 firebird and it took about an hour.
08-14-2005, 02:09 PM
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removing cats on a stock exhaust should be worth around 5-8rwhp.
if i were you i would buy some cheap long tubes, and just have a coustom y pipe made.
and keep your cat-back..... will be loud, but you should pick up around 15-20rwhp!
if i were you i would buy some cheap long tubes, and just have a coustom y pipe made.
and keep your cat-back..... will be loud, but you should pick up around 15-20rwhp!
08-14-2005, 02:23 PM
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Originally Posted by M6HuggerSS
removing cats on a stock exhaust should be worth around 5-8rwhp.
if i were you i would buy some cheap long tubes, and just have a coustom y pipe made.
and keep your cat-back..... will be loud, but you should pick up around 15-20rwhp!
if i were you i would buy some cheap long tubes, and just have a coustom y pipe made.
and keep your cat-back..... will be loud, but you should pick up around 15-20rwhp!
is there a place that sells test pipes that go where the stock cats go? or should i just go with a new y pipe that doesn't have cats?
08-14-2005, 03:07 PM
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since they don't have emissions in your county they will do a visual inspection and you will fail your safety inspection. you'd be better off just gutting them.
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08-14-2005, 03:48 PM
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08-14-2005, 03:53 PM
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Originally Posted by fguy1998
since they don't have emissions in your county they will do a visual inspection and you will fail your safety inspection. you'd be better off just gutting them.
08-14-2005, 04:22 PM
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SLP (and probably others) sell replacement pipes for the cats. Kinda pricy, though, and for another $100 or so you can get LT headers. Same with the ORY pipes for stock exhaust headers. If you can find a friendly exhaust shop they could take your cats and cut off the flanges and weld up something.
08-14-2005, 04:34 PM
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Originally Posted by gwj
SLP (and probably others) sell replacement pipes for the cats. Kinda pricy, though, and for another $100 or so you can get LT headers. Same with the ORY pipes for stock exhaust headers. If you can find a friendly exhaust shop they could take your cats and cut off the flanges and weld up something.
08-14-2005, 07:12 PM
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Originally Posted by M6HuggerSS
you will not have a problem driving around with headers and no tune!
you will make more power with a tune, but youll be fine with out.
you will make more power with a tune, but youll be fine with out.
08-15-2005, 01:26 AM
#14
Just gut the Cats and get O2 sims thats what im doing, had SLP LM exhaust and wanted something louder but couldnt afford LT's so I just got some O2 sims and gutted the cats. Just a thought keeps from spending too much before the headers.