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Contour Enthusiasts Group Archives Forums Modifications Duratec Performance SVT Cat vs SE Cat.

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Re: SVT Cat vs SE Cat. #115002 03/06/02 09:16 PM
Joined: Jun 2000 Posts: 3,248 The 3rd Rock from the Sun D Dan Nixon Member
Dan Nixon Member D Joined: Jun 2000 Posts: 3,248 The 3rd Rock from the Sun	Let me also say that the stock cat has a nice 3" opening ( perfect match for 3" collector on MSDS Y or if you modify your stock Y). The inside looks virtually the same as a Catco 3" which I bout but decide not to install as it looked the same when I had it all apart. Unless you are going to a trick metal matric cat or something I dont think any ceramic brick aftermarket cats are likly to be better than stock. Probably is a gain going to straight pipe (but not gutting cat). 1999 Amazon Green SVT Contour (#554/2760) Stock SVT Duratec V6 with: Intake- K&N filter/75mm MAF meter Exhaust- MSDS Y-pipe/Bassani catback Durability-Ford "dual mode" damper, Mobil 1/K&N oil filter 179.2 FWHP at 6900 RPM

Re: SVT Cat vs SE Cat. #115003 03/06/02 09:44 PM
Joined: Sep 2001 Posts: 294 NW Chicago Burbs K Kirill Member
Kirill Member K Joined: Sep 2001 Posts: 294 NW Chicago Burbs	Quote: Originally posted by Big Jim: I had understood that the SVT had different cats that flowed better, but now I'm not so sure. When my CEL was acting up from a code that showed that the rear car was below threshold effeciency, I priced a replacement. To my surprise, it had the same part number as the non SVT. My cat started working properly again, so I did not follow up on this to confirm that the part number was the same. BTW, i just had my cat replaced free under emissions waranty 8/80 Regards, Kirill 98.5 Contour SE Silver Frost (powered by Duratec 2.5L) Nakamichi CD-45Z -> Phoenix Gold XS4300 -> Infinity Kappa 693.3i \_ Blaupunkt ODx694

Re: SVT Cat vs SE Cat. #115004 03/07/02 12:19 AM
Joined: Feb 2002 Posts: 25 North Carolina D DaveNC OP Junior Member
OP DaveNC Junior Member D Joined: Feb 2002 Posts: 25 North Carolina	Thanks, You guys confirmed what I thought. It will be very easy to get rid of the 2" restriction from the cat to the flange. I looked again tonight when I got home from work and there is at least 1" of 2.25 inch pipe coming out of the cat before it gets necked down to 2". I can weld the new 2.25 pipe and flange up this weekend. I might even fix the y pipe and do the Mystery Mod as well since I'm going to be under the car anyway. Dave

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