catted downpipe or no cats??

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01-09-2008 | 04:22 PM

#46

MyNikonLens

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From: mobile home

Car Info: Porsche 911 GT3

Quote:

Originally Posted by so steezy

aghhh damn, now im unsure...how bout someone buy me either a catted or catless DP and surprise me?

you want to buy my stock TBE? I will sell it to you for $2300. otherwise, you have to wait until next xmas.

01-09-2008 | 04:27 PM

#47

so steezy

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From: FatLaCe

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$2300 for a stock TBE?!?

01-09-2008 | 04:38 PM

#48

wagonrex

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yeah.. like ur little 4 banner with no cat is going to give off any more pollutant then those big rigs and those nasty old trucks.. go catless..

01-09-2008 | 04:57 PM

#49

MyNikonLens

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From: mobile home

Car Info: Porsche 911 GT3

Quote:

Originally Posted by so steezy

$2300 for a stock TBE?!?

ok, you're right, that is too much. about $2299.95?

01-09-2008 | 05:26 PM

#50

cal

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From: SF

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Quote:

Originally Posted by maddhatteroo7

Well I went catless for these reasons:

- I'm an older body style so I don't get noticed
- It was MUCH MUCH cheaper to get a catless dp vs. a catted dp
- I didn't care about smog so I decided I was going to kill the earth with my car
- Since it was cheaper and would make a few more ponies...why not. I could always put my 3rd cat in since I have a 3rd cat eliminator so I always have a choice when I feel like it.

I think that if you're concerned about the "catless smell" then get a catted version. I've had a Helix catted DP and now a Stromung DP and prefer the stromung

Sorry for the thread jack, but can you pass smog with just the 3rd cat and a tune?

01-09-2008 | 05:33 PM

#51

subie OCD

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From: Concord

Car Info: 04 STi

Quote:

Originally Posted by cal

Sorry for the thread jack, but can you pass smog with just the 3rd cat and a tune?

Its possible, some have done it but many have failed.

I always recommend keeping the stock exhaust for when the time comes.

01-10-2008 | 12:23 AM

#52

verc

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From: Palo Alto

Car Info: GT35R, Meth

Quote:

Originally Posted by Onizuka

IMHO, it doesn't matter. The gain for catless vs catted is 1-5 whp... not a big difference.

Take it for what you will: I made 271 AWHP and 308 WTQ with a high flow catted DP:

https://www.i-club.com/forums/vendor-tuning-service-parts-review-152/1-ed-eq-tuning-176397/

Those are the charts.

yah that's kinda like TGV deletes though - probably doesn't make much of a difference on stock turbo but eventually hella matters.

Hell, part of the reason cars w/ larger turbos gain so much from EWG because the 3" exhaust itself isn't enough. I would imagine catted would be sucking a lot more power then.