10-30-2008, 12:01 AM
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#1
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Registered User
Join Date: Sep 2006
Location: California
Posts: 713
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Anyone want to grab a set of Stebro bypass pipes? PM me...
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Some stuff for sale: M030 S 24mm front sway bar, M030 base 19.6mm rear sway bar, 996 GT3 OEM Porsche Motorsport front strut mounts monoball "camber plates"
WTB: looking for some 5-7mm spacers with extended bolts
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11-01-2008, 04:57 PM
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#2
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Registered User
Join Date: Oct 2008
Location: Milford, Ks.
Posts: 73
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After thought
Another thing that you can also do is put a spark plug defouler in around your second O2 sensor and then you may be able to go completely catless w/o a CEL
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-Jeff-
"I'm a glutton for punishment when it comes to my boxster"
'03 S/ PSS9/ B&M short throw/ EVOMS intake/ NHP full exhaust w/ headers / Cantrell MS custom tune
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11-01-2008, 05:42 PM
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#3
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Registered User
Join Date: May 2008
Location: Toronto
Posts: 2,656
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11-02-2008, 07:00 AM
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#4
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Registered User
Join Date: Jan 2007
Location: Depends on the day of the week....
Posts: 1,400
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Quote:
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Originally Posted by ekam
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Am I the only one who found this hilarious?
Patrick
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11-02-2008, 09:24 AM
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#5
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Registered User
Join Date: May 2002
Location: San Jose
Posts: 1,889
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I have a 1997. There is a sensor before and after the cat. You need the one before. You do not need the one after. The one after talks to the one before to see if the cat is working. It was forced by the EPA to monitor cat efficiency.
If you disconnect the rear sensors the car runs fine, but you get a check engine light and you will not set all the rediness codes. This is important only for a smog inspection. I have had 5 inspections, every 2 years in smog-nazi California. Now they are going to put video cameras in to make sure the visual inspection is done. Here you would fail visual with bypass pipes, and not even go on the dyno. Some shops even have a floor mirror to see if the cats are there.
I have replaced the bank 2 after the cat sensor 5 times when I get ready for smog. I probably have a bad bank 2 cat and it is not the sensor.
Inspection #6 is due in a few months. What I am going to try is to reprogram the DME for a ROW car. ROW cars do not have the sensors after the cat. I have PST2 and the DME programming code. Then I will find out if the smog machine can detect the change.
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11-02-2008, 10:57 AM
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#6
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Registered User
Join Date: Jan 2007
Location: Depends on the day of the week....
Posts: 1,400
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Tool Pants I (along with many others I"m sure) are VERY interested to find out if you can pass CA SMOG with the RoW program.
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Boxster S
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11-01-2008, 08:54 PM
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#7
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Registered User
Join Date: Sep 2006
Location: chicago
Posts: 3,510
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Quote:
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Originally Posted by boxster_s_boy_34
Another thing that you can also do is put a spark plug defouler in around your second O2 sensor and then you may be able to go completely catless w/o a CEL
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where do i get that from?
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"I couldn't find the sports car of my dreams, so I built it myself." ~F. Porsche
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exhaust cutouts::EVOcoldair intake::OEM smoked tails & sidemarkers::
colormatched bumperettes::Top Speed Pro-1 exhaust::
my cardomain/pictures page
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11-02-2008, 01:13 AM
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#8
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Registered User
Join Date: Oct 2008
Location: Milford, Ks.
Posts: 73
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Looking into it
Quote:
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Originally Posted by djomlas
where do i get that from?
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It's usually a mod that's found on a lot of gutless wonder japanese cars, but you should be able to find one to fit your bung. All it really does is pull the O2 sensor out a little ways so that it doesn't get as much of a reading as it would normally installed and it fools the computer into thinking that there is still a CAT installed. 
__________________
-Jeff-
"I'm a glutton for punishment when it comes to my boxster"
'03 S/ PSS9/ B&M short throw/ EVOMS intake/ NHP full exhaust w/ headers / Cantrell MS custom tune
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11-02-2008, 04:02 PM
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#9
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Registered User
Join Date: Oct 2008
Location: Milford, Ks.
Posts: 73
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I got it
Quote:
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Originally Posted by djomlas
where do i get that from?
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Okay, you can find them at ANY auto parts store, but you have to get 2 per sensor. One of them has to be drilled out and screwed into the other so that there is enough length for the O2 sensor to fit. After that it's all pretty much plug-n-play.
__________________
-Jeff-
"I'm a glutton for punishment when it comes to my boxster"
'03 S/ PSS9/ B&M short throw/ EVOMS intake/ NHP full exhaust w/ headers / Cantrell MS custom tune
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12-20-2008, 09:15 PM
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#10
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Registered User
Join Date: Feb 2008
Location: San Diego, CA
Posts: 88
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With all this talk of "cat bypass pipes" I visited the www.fabspeed.com web site. $495 for a pair of pipes? Wouldn't it be more cost effective to have a local muffler shop fabricate a pair for my car? Any draw backs with the custom fabrication route?
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12-21-2008, 04:21 PM
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#11
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Registered User
Join Date: Oct 2008
Location: Milford, Ks.
Posts: 73
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You can DO anything you want
You could have a set fabricated by a local guy, but is he going to use mandrel bends and flow test everything for max gains? Probably not and if he did, it would be HELLA more money for a custom on off peice like that. 
__________________
-Jeff-
"I'm a glutton for punishment when it comes to my boxster"
'03 S/ PSS9/ B&M short throw/ EVOMS intake/ NHP full exhaust w/ headers / Cantrell MS custom tune
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12-21-2008, 04:23 PM
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#12
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Registered User
Join Date: Oct 2008
Location: Milford, Ks.
Posts: 73
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Quote:
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Originally Posted by boxster_s_boy_34
on off peice like that. |
I meant one off piece, my bad, my bad.
__________________
-Jeff-
"I'm a glutton for punishment when it comes to my boxster"
'03 S/ PSS9/ B&M short throw/ EVOMS intake/ NHP full exhaust w/ headers / Cantrell MS custom tune
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12-21-2008, 07:47 PM
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#13
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Registered User
Join Date: Jan 2007
Location: Depends on the day of the week....
Posts: 1,400
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Quote:
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Originally Posted by boxster_s_boy_34
You could have a set fabricated by a local guy, but is he going to use mandrel bends and flow test everything for max gains? Probably not and if he did, it would be HELLA more money for a custom on off peice like that. |
Exactly. $500 for those pipes isn't cheap, but they are done properly. Don't get me wrong, FabSpeed makes money, but they also have a good bit invested in the equipment to do things right.
Also, keep in mind, that even if your local muffler shop fabbed up a set for you, they would likely not be stainless, but cheap aluminized pipe.
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Boxster S
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