ExhaustPost your questions and suggestions about stock or aftermarket exhaust setups. Third Gen exhaust sound files and videos!
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Hi,
I've been browsing around the site for some time now and just can't seem to find an answer to a question I have regarding header options for stock exhaust Y-pipe.
I did a full custom 3" exhaust from the stock y-pipe/collector back. The entire system is welded and there is no cat, so I can't just bolt in a new Y-pipe. Are there any header options that can bolt directly to the stock Y-pipe, replacing only the stock the manifolds and nothing more?
Thanks a bunch for any suggestions!
Edit: I guess it would be pertenant to mention some details about the car...
It has a slightly tuned 350 that is naturally aspirated and has NO computer controlled equipment on it except the stock trans.
There is NO emissions equipment left on it and the car is emissions exempt.
FWIW!
How did you get the stock ypipe to fit a 3: exhaust? Wait, I know, you took a 3" pipe and cut the ypipe back far enough, crimped the 3" for it to fit onto it, right? Why would you constrict the header system designed for better flow by using the stock ypipe? I think that is why you have not found any info on here about that. Glad to hear you used 3" and welded everything. I think that most ypipes supplied with headers are 2-1/2", not the small ones that are stock.
__________________ 92RealSwift-All stock except for these mods: Hooker 2460 coated shorties-(non air), Hooker y-pipe modified for a 3" exhaust system, cat delete, Flowmaster muffler w/ dual outlets. Hypertech cool fan switch.
92Z-28-Edelbrock headers-3" system w/cat to Magnaflow S/S muffler w/ dual outlets, K&N air filters.
How did you get the stock ypipe to fit a 3: exhaust? Wait, I know, you took a 3" pipe and cut the ypipe back far enough, crimped the 3" for it to fit onto it, right? Why would you constrict the header system designed for better flow by using the stock ypipe? I think that is why you have not found any info on here about that. Glad to hear you used 3" and welded everything. I think that most ypipes supplied with headers are 2-1/2", not the small ones that are stock.
A shop I was near to had a custom fit y-pipe collector to bring both pipes into
the single 3".
A shop I was near to had a custom fit y-pipe collector to bring both pipes into
the single 3".
What do you think my best bet would be then?
Option 1 would be to cut the stock y-pipe off of the 3inch exhaust, and get a new set of headers and y-pipe. The stock y-pipe is really restrictive, its double walled. that means that if the outside diameter is 2inches, its really only 1 1/2 inches on the inside, which is just junk.
or, you can get a set of shorty headers of your choice, and build your own y-pipe. if u use the y pipe in the link below, then when you cut the stock y-pipe out of the system, this should be long enough to cover the gap you will have. I personally would build my own y-pipe all 3 inch from the headers back, going to be the best bet for flow.
A shop I was near to had a custom fit y-pipe collector to bring both pipes into
the single 3".
What do you think my best bet would be then?
What I said earlier is prolly what they did. I agree w/ what Cruisanman said to get a proper y pipe. I have Hooker shorties w/ their y pipe and it works great. Don't know why your shop did not say anything to you about that. Maybe they did not know you were going to go w/ headers later.
Option 1 would be to cut the stock y-pipe off of the 3inch exhaust, and get a new set of headers and y-pipe. The stock y-pipe is really restrictive, its double walled. that means that if the outside diameter is 2inches, its really only 1 1/2 inches on the inside, which is just junk.
or, you can get a set of shorty headers of your choice, and build your own y-pipe. if u use the y pipe in the link below, then when you cut the stock y-pipe out of the system, this should be long enough to cover the gap you will have. I personally would build my own y-pipe all 3 inch from the headers back, going to be the best bet for flow.
Thanks for the advice and link!
It looks like this project is going to be too expensive for me right now unfortunately. I was hoping to just pick up some affordable headers and use the existing exhaust.
Oh well....
Thanks again for all the advice everyone!
