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Mid Atlantic Impreza Club Forum sponsored by Annapolis Subaru |
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02-07-2008, 12:34 PM | #1 |
Scooby Newbie
Member#: 168136
Join Date: Jan 2008
Chapter/Region:
MAIC
Location: Harrisburg, PA
Vehicle:2004 WRB WRX VF-39 2.5 hybrid |
Catless UP and DP and emissions testing in PA
First a dumb question - how many cats are on a 04 WRX and how many cats are required to pass PA emissions testing?
Will converting to a catless UP and DP then getting a CB exhaust not allow me to pass emissions testing in PA? Would it be better to get a TBE?
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02-07-2008, 12:37 PM | #2 |
Scooby Specialist
Member#: 81246
Join Date: Feb 2005
Chapter/Region:
MAIC
Location: 512 whp
Vehicle:. .13 EVO X MR .03 Cosworth Wrx, 14 Jeep |
3 cats are on it i think u just need the one in the dp to pass
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02-07-2008, 12:37 PM | #3 |
Scooby Specialist
Member#: 81246
Join Date: Feb 2005
Chapter/Region:
MAIC
Location: 512 whp
Vehicle:. .13 EVO X MR .03 Cosworth Wrx, 14 Jeep |
go catless and do cel fixs
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02-07-2008, 12:47 PM | #4 |
Scooby Newbie
Member#: 168136
Join Date: Jan 2008
Chapter/Region:
MAIC
Location: Harrisburg, PA
Vehicle:2004 WRB WRX VF-39 2.5 hybrid |
how do you go about doing the cel fix?
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02-07-2008, 12:49 PM | #5 |
Scooby Newbie
Member#: 168136
Join Date: Jan 2008
Chapter/Region:
MAIC
Location: Harrisburg, PA
Vehicle:2004 WRB WRX VF-39 2.5 hybrid |
I kinda want one cat so when all these people are b*tching about global warming I don't feel too guilty and I can feel kinda like I am doing my part. I was thinking of getting a DP with a high flow cat and then getting a TBE either catless or with a high flow cat.
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02-07-2008, 04:42 PM | #6 |
Scooby Specialist
Member#: 38477
Join Date: Jun 2003
Chapter/Region:
MAIC
Location: New Market, MD
Vehicle:2018 AMG C63 White w/ Night Package |
First off you need to understand the TBE is turbo back exhaust, which includes the downpipe. There is no cat in a catback exhaust, hence the name cat back. There is one cat in the stock DP, one cat in the front mid pipe and a pre-cat in the uppipe. An aftermarket DP normally replaces the stock DP and front mid pipe, replacing both cats.
Some DPs have cats and some dont. You can easily find one that does. |
02-07-2008, 06:26 PM | #7 |
Scooby Newbie
Member#: 145642
Join Date: Apr 2007
Chapter/Region:
MAIC
Location: Sellersville, PA
Vehicle:2005 Forester XS Cuz Chicks Dig The Wagon |
For an 04 car in PA, it only has to LOOK like there's at least as many as stock, whether it's functional or not. Most Emission inspectors will not know how many a given vehicle is supposed to have; it can vary wildly from one to as many as four, so the majority of the time just having one present is sufficient. They do a visual inspection, as well as an OBDII plug-in test.. the CEL must be off; commanded off by the ECM, and no codes present to pass. So if you want, gut the uppipe, buy a cheap catted DP( or full TBE), gut it, so the housing is intact, and hook it up to whatever exhaust you like. It will look like two perfectly functional cats. And do the CEL fixes for the 02 sensors/ catalyst monitors to keep it out for good. Hope this helps
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02-07-2008, 08:40 PM | #8 | |
Scooby Specialist
Member#: 40736
Join Date: Jul 2003
Chapter/Region:
MAIC
Location: Pittsburgh, PA / FairFax, VA
Vehicle:2005 WRX STI Aspen White |
Quote:
I always pass and I'm completely catless TBE... have been for 3 years. As long as you don't throw a CEL normally your good. I've never run into an issue of cats nor have my friends..etc. But I do think it depends on where you take your car so in that point you would be definatly correct... so places are super strict. -Nigel |
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02-08-2008, 12:08 AM | #9 | |
Scooby Newbie
Member#: 145642
Join Date: Apr 2007
Chapter/Region:
MAIC
Location: Sellersville, PA
Vehicle:2005 Forester XS Cuz Chicks Dig The Wagon |
Quote:
My 98 Legacy was also catless.. I gutted it after an incident with a rock in the Pine Barrens...long story short, the light only came on once in the four years I had it after that....my guess is if you drive it just hard enough, the conditions for running the catalyst efficiency monitor are never met. No monitor test = no codes = no CEL = passed emissions |
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02-08-2008, 12:22 AM | #10 |
Scooby Newbie
Member#: 142754
Join Date: Mar 2007
Chapter/Region:
SWIC
Location: Phoenix
Vehicle:2009 Forester XT |
Just go to a local garage and ask. You'll get the most accurate answere there.
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02-11-2008, 05:38 PM | #11 | |
Scooby Newbie
Member#: 169803
Join Date: Jan 2008
Chapter/Region:
TXIC
Location: Cedar Park, TX
Vehicle:2011 WRX Ltd Hatch Satin White Pearl |
Quote:
I don't know if there are any "in between" counties, where there's only a tailpipe-at-idle sniffer these days. At any rate, it's not like California. Depending upon the garage, the mechanic might not even look to see if there's more than one cat. |
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02-11-2008, 11:11 PM | #12 |
Scooby Newbie
Member#: 145642
Join Date: Apr 2007
Chapter/Region:
MAIC
Location: Sellersville, PA
Vehicle:2005 Forester XS Cuz Chicks Dig The Wagon |
AWD cars are only exempt from dyno testing, cause the crap-ass machine they give us to work with is only a two wheel, 35 mph MAX floor dyno. If a car requires a tailpipe test, it is done at 2500 rpm, and idle, with no load on the engine, off the dyno. Certain counties are just a visual inspection as part of the regular state inspection.. anything missing and you fail; this is mostly northern counties where there are fewer cars per sq. mi. Some counties are OBDII- the plug in test.. which his would qualify, being 96 or newer. Very few cars today actually get a dyno/ tailpipe test...mostly 95 and older cars in the metro area, and some 3/4 ton and up trucks. Like previously mentioned.. what determines the specific test criteria is the county you are registered in, and the year of the vehicle, and in some cases, GVW.
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02-12-2008, 08:55 AM | #13 | |
Scooby Specialist
Member#: 55541
Join Date: Feb 2004
Chapter/Region:
MAIC
Location: BFE, Pennsylvania
Vehicle:05 325ciC 98 Legacy Wagon |
Quote:
In my local counties, we have emission testing that's only visual (for cats and CEL) and gas cap. The sniffer is supposedly coming, but not yet. |
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02-12-2008, 09:18 AM | #14 |
Scooby Guru
Member#: 120152
Join Date: Jul 2006
Chapter/Region:
MWSOC
Location: Indy
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Maddad makes a 3rd pipe cat delete pipe with a fake cat welded onto the outside of the pipe. It doesn't affect flow at all, but looks like a cat.
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