This car seems to come with quite a few thing others dont from the factory. Didn't know they were high flow. Oh right and what i thought was the 3rd cat at first is just the y pipe i believe.The stock cats are high flows. Hollowing them out will hurt performance unless they were clogged to begin with.
That I did not know!The stock cats are high flows. Hollowing them out will hurt performance unless they were clogged to begin with.
On the 97 and only 97 models, the Y-pipe is a 3rd CAT. Just an FYI.This car seems to come with quite a few thing others dont from the factory. Didn't know they were high flow. Oh right and what i thought was the 3rd cat at first is just the y pipe i believe.
The most use of aftermarket “high flows” is the increase in pipe diameter to match the rest of your system. You won’t see a performance gain with them in a A-B testThat I did not know!
97 are the same as 94-96, only exhaust change is 94-95 has a resonator behind the third cat, 96-97 doesn’t.On the 97 and only 97 models, the Y-pipe is a 3rd CAT. Just an FYI.
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I wasn't aware AED was still even considered an "option" .. far and few between these days, that was a long time ago.. Anyways back on the allen option who near Fresno had one or is there somewhere i could buy the full kit new or "like new", and how difficult is all this paperwork ive seen people running forced induction around so it seems doable. Oh and the image you put up says its broken
Don't mess with your cats unless they are bad its illegal in all 50 states. This exhaust system is not going to gain you any performance value whatsoever .. mufflers will make the car louder. That is all.How have you guys done the cats did you have them hollowed(i think thats the term) or buy new high flow ones?
So that is a 3rd cat how does that work with the mandrel dual setup, you just discard it?The most use of aftermarket “high flows” is the increase in pipe diameter to match the rest of your system. You won’t see a performance gain with them in a A-B testThat I did not know!
97 are the same as 94-96, only exhaust change is 94-95 has a resonator behind the third cat, 96-97 doesn’t.On the 97 and only 97 models, the Y-pipe is a 3rd CAT. Just an FYI.
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Ahem.On the 97 and only 97 models, the Y-pipe is a 3rd CAT. Just an FYI.
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Basically, yeah. Put an X or H pipe in its place run to the mandrel rear pipes. This may be difficult for you in California, the front two cats alone will usually meet minimum standards through a sniffer, but by the book it’s law that the third cat remains and you’ll fail visual without it. You could install a Y pipe off the third cat into the duals if all else fails.So that is a 3rd cat how does that work with the mandrel dual setup, you just discard it?
Yes, the Y-pipe is in all model years. However, in the 97 model year specifically, the Y-pipe is the 3rd CAT.Ahem.
No, the Y pipe is a cat on my 1991 Cougar XR7 also.
Or was ...
There's a resonator bolted to the end of it, before anyone claims it's the resonator.
Walker claims the rear cat is a 15022
RwP
In regards to X or H pipes here in California, I spoke with my emissions guy regarding this. He told me that so long as there is a secondary set of CATs behind the primary CATs, it would still meet California sniffer standards. I'm going to be following this when I get to my exhaust mods.Basically, yeah. Put an X or H pipe in its place run to the mandrel rear pipes. This may be difficult for you in California, the front two cats alone will usually meet minimum standards through a sniffer, but by the book it’s law that the third cat remains and you’ll fail visual without it. You could install a Y pipe off the third cat into the duals if all else fails.
That’s not unique to 97, it’s a third cat in all 4.6 cars as well as others. It was a third cat in my 94.Yes, the Y-pipe is in all model years. However, in the 97 model year specifically, the Y-pipe is the 3rd CAT.
That’s good! That’s how my exhaust is right now, using a stock 4 cat 03 Cobra midpipe for the front half.In regards to X or H pipes here in California, I spoke with my emissions guy regarding this. He told me that so long as there is a secondary set of CATs behind the primary CATs, it would still meet California sniffer standards. I'm going to be following this when I get to my exhaust mods.
The way I plan do it on my car would be to attach the secondary CATs directly behind the X-pipe.
The further downstream cats are from the engine the longer they take to adequately light off and do their job.Damn your gonna have 4 cats? Do they sell them with the cats on behind the x pipe or the guy is gonna put it all together
And in my 1991; not just 1997.Yes, the Y-pipe is in all model years. However, in the 97 model year specifically, the Y-pipe is the 3rd CAT.
My 91 LS 5.0 had the third cat, then resonator at the Y, too. Sounds like it was maybe a V8 thing.And in my 1991; not just 1997.
RwP
I was also looking at the Yukon units i was just wondering if anyone here had used those before and if it worked. Some came with a factory limited slip by ford right? How do you figure out which have it and which dont without tearing it apart?After reading their product info, I'm not confident it'll work out of the box. If you read the product fitment, just about all of those Ford vehicles it fits into are solid rear axle, and you must remember we have IRS. If anything, this is one of those times I'd get something from SCP. I say this because the FRPP unit is no longer being made.
AFAIK, the track-lok unit from SCP is a Yukon unit. Someone who has purchased the unit would be better able to tell you that information.