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Joined: Jun 2000
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Gutted pre-cats and SHO Y pipe = big gains!!! I got the SHO y-pipe with the cat on it...I'm not totally heartless enough to be that mean to our environment. 
95 Mystique LS Young America edition, V6, MTX, Yeah...it's stock. Now with new underhood wiring!!! My Profile Moderator of the Florida Contour Enthusiast Group
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Joined: Jun 2000
Posts: 1,375
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Has anyone dyno'ed there SVT or any contour/ mystique?
I would love to see what kind of gains you actually get, If so please list your mods.
Thanks
99 SVT Tropic Green #151 of 503/ 2760 total Born on 10/07/98 Adopted 7/15/00 LETS GO RANGERS (looking good this year)
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Joined: Mar 2001
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i love free mods  if I did this, i'd still pass e-check, right?
-Dan M.- 98.5 Black SVT -It's faster than walking
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Posts: 878
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Originally posted by DubbaDooz: i love free mods if I did this, i'd still pass e-check, right?As long as you retain the main cat, the theory goes, you should pass at "normal operating temps." But some places might have a test process that gets around this trick. No smog tests in KS!
"Function before fashion."
'96 Contour SE
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Joined: Aug 2001
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How about the Zetec model? Will this mod work on the Zetec?
=========================================== 1999 Contour SE 2.0 Zetec KKM Sound Enhancer (soon to be tossed aside... D DAVIS) Front Bra Beautiful Girlfriend for a passanger
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Joined: Jun 2000
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"Has anyone dyno'ed there SVT or any contour/ mystique?" In the Chicago region, we had a few dyno days. Check in there, 
2000 SE fleet, V6, ATX, ABS, no spoiler, T-Green/tan. Built 01/2000 in MO. Added 12 spoke factory SE rims, K&N. Biggest mod: ESP Plan!
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Joined: Aug 2001
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Just for the record this "gutting" is mucho illegal (federaly) to the tune of up to $10,000 fine! I know of a MOTORCYCLE dealer who took cats off of a bike and got caught,$$$$$ paid. Be forewarned guys.
96 GL ZETEC MTX 00 MAZDA MILLENIA S Rogers Dead Pedal Blaupunkdt Houston
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Joined: Oct 2000
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Originally posted by Supertouring Mike: Just for the record this "gutting" is mucho illegal (federaly) to the tune of up to $10,000 fine! I know of a MOTORCYCLE dealer who took cats off of a bike and got caught,$$$$$ paid. Be forewarned guys. Of course, but we're talking "off-road" systems here, right?
"Function before fashion."
'96 Contour SE
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Originally posted by DemonSVT: Sorry, but having a big chamber in the middle of your exhaust pipe is not good for scavaging. It is good for causing lots of turbulence and slowing down the flow of exhaust gasses though.
The theory you are refering to is talking about the pre-cats being empty. (Again the "Mystery Mod" vs gutting the main cat)
If you must remove the cat. Put a patch piece of pipe in. Do not just gut it. Hey Demon this is the thread that I vaguely remembered, and reading it again, I hope you understand why I might have been confused. 
"Function before fashion."
'96 Contour SE
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Originally posted by Supertouring Mike: Just for the record this "gutting" is mucho illegal (federaly) to the tune of up to $10,000 fine! I know of a MOTORCYCLE dealer who took cats off of a bike and got caught,$$$$$ paid. Be forewarned guys. Here's the real scoop. (11) What may happen if I don't use the correct converter? First, it is a violation of Federal law because it is likely to increase the amount of pollution coming out of the vehicle. Penalties for violations by individuals, service or repair shops or fleet operators are up to $2,500 per violation. (Each improper installation is considered a violation.) New car dealers can be penalized up to $25,000 per violation. Any person who causes a violation could be subject to the same penalty as the installer. This and more from the EPA\'s website . Now, I'm all for environmental responsibility, and giving it up for the greater good, but after reading this whole EPA fact sheet, I'm convinced this is another case of bloated central government run amock. Here's more: When can I install an aftermarket converter? Generally, there are only 3 situations when you can install an aftermarket converter. They are: (1) if the converter is missing from the vehicle when brought in for exhaust system repair; or (2) if a State or local inspection program has determined the existing converter has been lead poisoned, damaged, or otherwise needs replacement; or (3) if the vehicle is more than 5 years old or has more than 50,000 miles* (8 years/80,000 miles for 1995 and newer vehicles) and a legitimate need for replacement has been established and appropriately documented (e.g., a plugged converter or unrepairable exhaust leaks). Kinda makes me want to buy that '72 Capri.
"Function before fashion."
'96 Contour SE
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