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So from what I hear if you have a 98 and older you should just replace your cat with a high flow one that has the 2 bolt on one side and a 3 bolt on the other? Rather then go and buy a flange and a flex pipe?
-Mike
98 Contour SVT
Toreador Red #49 of 6535 Built on 3/25/97
WR Headers, Borla Cat-Back, Torsen T2 LSD, K&N Short Ram, S-AFC and Focus Shift Tower
85 Camaro
1969 358ci, 97 TA interior, 91 Z28 GrdEfx and Aero Wing 255rwhp
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Originally posted by CSVT#49:
So from what I hear if you have a 98 and older you should just replace your cat with a high flow one that has the 2 bolt on one side and a 3 bolt on the other? Rather then go and buy a flange and a flex pipe?
if you want, and its mid 99-98 cars that need them.
Like i said in the FAQ, you can do 3 things, modify the stock one, buy a hi-flow cat, or run a test pipe.
99 TRed Contour SVT # 1853 out of 2760
230.2 WHP @ 6500
237.0 WTR @ 2250
Originally posted by MxRacer:
Originally posted by RawBurt:
I'll be keeping it to myself, until the time comes. It'll be hard to find. 
much like your weiner.
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Apologies for my confusion....
I have a MSDS Y-pipe ready for installation, using the stock manifolds (for now). Since I'll be using the stock cat, where would a flex pipe go? I thought the MSDS flange was supposed to bolt right up to the cat, so I don't quite see how I can cram a flex pipe in there.......
Also, MSDS doesn't have the install kit listed anymore, unless I missed it.
EDIT: I think I'm an idiot. There's a flex pipe before the cat in the stock system, isn't there?
'98 Contour SVT - Please pardon our dust, under heavy construction.
'96 Escort LX - Pretender to the throne.
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Yes the flex pipe is before the main cat, but if you are only installing headers they should be a direct fit if they are the same flange, so therefore you dont have to install a flex pipe. The reason you have to install a flex pipe is because the WR y pipe does not come with one so you have to make up for that 8 inches lost.
I'm pretty sure of that, I am still yet to install mine, i have them sitting at home.
wish me luck though
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Originally posted by ContourSVT93:
Yes the flex pipe is before the main cat, but if you are only installing headers they should be a direct fit if they are the same flange, so therefore you dont have to install a flex pipe. The reason you have to install a flex pipe is because the WR y pipe does not come with one so you have to make up for that 8 inches lost.
correctomundo!
#0009
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Well, the MSDS doesn't have a flex pipe either, but I presume you mean that it has the correct flange for the stock flex, whereas the WR won't. Right? Man, we'd never have these issues if we all had bought Civics.... 
'98 Contour SVT - Please pardon our dust, under heavy construction.
'96 Escort LX - Pretender to the throne.
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MSDS uses the stock 2 bolt donut flange (if you have it). That provides the give needed. The 3 bolt doesnt have that, thats why it needs a flex pipe.
#4559 of 6535 born on Feb 17, 1998
Black 1998.5 CSVT
FOR SALE [cleaning house]: SVT rear swaybar. Reasonable offer and its yours!
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The flange that mounts up to the flex/cat? My MSDS has a three bolt, triangular jobby.
'98 Contour SVT - Please pardon our dust, under heavy construction.
'96 Escort LX - Pretender to the throne.
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Originally posted by Matty K:
The flange that mounts up to the flex/cat? My MSDS has a three bolt, triangular jobby.
My guess is it's for a later year Contour or for a Cougar...
And I looked underneath my car since I forgot what I will be working with when it's install time... Hmmm... maybe I should snap a pic, but I changed my plans!
For one, my mufflers are rusted from the inside out and leaking, the muffler in the resonator spot may/may not be ok (has a few dents), and the flex pipes (yes, I mean PIPES) have some of the metal fabric jobby ripped up.
So since it has custom manifold pipes (set up for true duals) and the y-pipe is about where the main cat used to sit... I may just have all that 3" dealy taken off and do a true dual setup. 
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Well with the MSDS you could specifiy 2 or 3 bolt flange. If you got the 3 bolt, you have to get a flex pipe.
#4559 of 6535 born on Feb 17, 1998
Black 1998.5 CSVT
FOR SALE [cleaning house]: SVT rear swaybar. Reasonable offer and its yours!
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