NA Motor Discussions regarding N/A KA24E, KA24DE, and SR20DE

test pipes or high flow cats?

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Old 11-29-2005, 03:26 PM
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test pipe or high flow cat brands?

i know there is a megan and kazama test pipe. a sard and catco high flow cat. any else that i am missing. just looking around for a replacement.

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Old 11-29-2005, 03:41 PM
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test pipes will be a bit louder but alil more horse power than cats but the cats wont be as loud
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Old 11-29-2005, 03:58 PM
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( Its off the subject but) I ordered a hi flow cat from ebay and i took my car to the muffler shop yesterday. the guy told me that my original one is better because the cat was hallowed out already while the one from ebay had all that stuff inside of it.
Would it make a difference if i hallowed out the cat from ebay and put it on or just sell it and make a little money.
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Old 11-29-2005, 04:10 PM
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^no one really wants a hollowed out cat... i guess it looks like a cat then... but thats why people get test pipes. Hollow yours and keep it
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Old 11-29-2005, 07:12 PM
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ok i found uras has one too.
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Old 11-29-2005, 07:17 PM
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Originally posted by nsn240
^no one really wants a hollowed out cat... i guess it looks like a cat then... but thats why people get test pipes. Hollow yours and keep it
well didnt chiroke say they are a little bit louder? how much louder are they?? because i really like the way mine sounds right now. and wont you fail inspections with a test pipe?
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Old 11-29-2005, 07:22 PM
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wow thanks for the thread jack! and to answer your question yes you will fail with a test pipe because it takes out the cat. if your state has emissions then it will fail. hawaii doesn't!!!!
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Old 11-29-2005, 07:35 PM
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lol o0o0 my bad dude didnt mean to steal it.
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Old 11-29-2005, 07:42 PM
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High flow CAT... Respect the air we breath, or make us all die of cancer early.........
Don't be a *** for a 1HP incentive and a no torque gain.
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Old 11-29-2005, 07:45 PM
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Originally posted by *Tx_BLooD_240*
well didnt chiroke say they are a little bit louder? how much louder are they?? because i really like the way mine sounds right now. and wont you fail inspections with a test pipe?
yea, it would be louder, its straight though instead of being stopped/muffled by the the stuff inside the cat... i dont know if you will fail or not, usually it depends where you live in TX.. or find a hookup
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Old 11-29-2005, 08:28 PM
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Originally posted by *Tx_BLooD_240*
the guy told me that my original one is better because the cat was hallowed out already while the one from ebay had all that stuff inside of it.
S14 have pre cats that come right off the ex. manifold the second "cat" is hollow.

Thats all S14's.

S13's just have the cat under the driver seat.

My s13 had test pipe and 3" exhaust.

Car was loud as **** on the road and gangsta on the track.
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Old 11-30-2005, 03:10 PM
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i use to have a test pipe, it made the car loud and would back fire now and again, i went out and got a catco high flow cat, and the car seemed to have a little more power and more responsive, not to mention more quiet, which is what i wanted in the first place. its a nice investment, and will not poison the air.
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Old 11-30-2005, 04:15 PM
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well i still have stock exhaust. if i get the catco it won't match up because my pipes will be smaller right? i am thinking i'll just get a stock cat.
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Old 11-30-2005, 04:33 PM
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Originally posted by Monkey Boy
well i still have stock exhaust. if i get the catco it won't match up because my pipes will be smaller right? i am thinking i'll just get a stock cat.

???????
As long as they have the same bolt/flange pattern you can get a freakin' 3" diameter if you wanted to. You might as well get it in 2.5". Catco cats are cheaper than stock OEM, and they get the job done....
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Old 11-30-2005, 04:50 PM
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so even if i have stock diameter i can get the 3" catco from phase2?
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