my header with a cat?
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Honda-Tech Member
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From: Oakland, CA, USA
my header with a cat?
i think my header is a little less than 2.0" collector. what kind of cat can I get to work with that? or is it not worth it for such a small header?
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From: WeHo, CA, USA
Re: my header with a cat? (dFreezy)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dFreezy »</TD></TR><TR><TD CLASS="quote">which header is it? stock size is under 2" so a stock cat would work fine. a high flow cat probably wouldn't be very beneficial.</TD></TR></TABLE>
, if it's the DC 4-2-1 in your sig, it is around 2" (1.94 maybe?) and works fine with the stock cat. No use for a high flow cat unless you switch to a JDM ITR or another 2.5" collector header and a larger diameter exhaust.
, if it's the DC 4-2-1 in your sig, it is around 2" (1.94 maybe?) and works fine with the stock cat. No use for a high flow cat unless you switch to a JDM ITR or another 2.5" collector header and a larger diameter exhaust.
Darth ModerVader
Joined: Jan 2001
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From: Mustafar
Re: my header with a cat? (purplegsr (Exospeed))
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by purplegsr (Exospeed) »</TD></TR><TR><TD CLASS="quote">
, if it's the DC 4-2-1 in your sig, it is around 2" (1.94 maybe?) and works fine with the stock cat. No use for a high flow cat unless you switch to a JDM ITR or another 2.5" collector header and a larger diameter exhaust.</TD></TR></TABLE>
I don't necessarily agree that there is "no use" for a high-flow cat if you aren't running a 2.5" collector. Although people running larger collectors replace their stock cats with high-flow versions out of necessity (since the stock cat won't bolt up), that doesn't mean that a setup with a smaller collector wouldn't also benefit from the improved flow characteristics of an aftermarket cat. The stock cat is quite small and restrictive, so replacing it with a larger, better-flowing model would certainly be an improvement.
, if it's the DC 4-2-1 in your sig, it is around 2" (1.94 maybe?) and works fine with the stock cat. No use for a high flow cat unless you switch to a JDM ITR or another 2.5" collector header and a larger diameter exhaust.</TD></TR></TABLE>I don't necessarily agree that there is "no use" for a high-flow cat if you aren't running a 2.5" collector. Although people running larger collectors replace their stock cats with high-flow versions out of necessity (since the stock cat won't bolt up), that doesn't mean that a setup with a smaller collector wouldn't also benefit from the improved flow characteristics of an aftermarket cat. The stock cat is quite small and restrictive, so replacing it with a larger, better-flowing model would certainly be an improvement.
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Joined: Oct 2003
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From: WeHo, CA, USA
Re: my header with a cat? (Padawan)
I think it is probably not all that beneficial in his current setup, his sig says he has a 4-2-1 header and an AEM intake. There may be a small benefit to getting a high flow cat now, with a 2" collector header and a stock exhaust, but that will change with the introduction of other modifications. I do see your point, and I certainly would recommend a high flow cat down the road when you introduce cams, im, exhaust, etc to the mix.
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