Will jdm dc 4-1 header fit my stock CAT???
07-26-2003, 01:18 PM
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I am buying a jdm dc 4-1 header. It has a 2.5" collector. Will i have to change my stock CAT to fit it???? or will it just bolt on??? Is there something i can buy to make it fit???
07-27-2003, 12:54 PM
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It will not fit your stock cat...you will have to buy one with a 2.5" collector to fit...might I suggest a carsound cat. They are the preferred cat of most Type R owners, including myself.
07-28-2003, 03:55 PM
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Not only that, the header collects further back than the stock catalytic converter. You will need one that is shorter than stock w/ a 2.5" collector. I'd recommend getting a Carsound cat through http://www.testpipe.com
08-01-2003, 05:16 AM
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Originally Posted by 98 CW ITR 322
So kabob, with the JDM header and carsound cat,do you then have to modify stock R exhaust, or does cat bolt up on exit side?
Right now, I have a test pipe that I got from testpipe.com that I'll try installing this weekend. I'm a little wary of it since it's not resonated at all (just literally a straight section of pipe with flanges welded on either end) but I'll see how it works out
But if I ever get that Carsound Cat, I'll be installing that, instead.
08-01-2003, 07:49 AM
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Look at www.hybridgarage.com for custom made cats to fit your application for great prices. Good service too.