Question about 1984 Chevrolet S-10

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1984 chevy s10 exhaust

If I order a catalytic converter do I order the same exact size pipe? like if the pipe that goes into the catalytic converter is 2 1/4 inch do i order a catalytic converter that has a 2 1/4 pipe will it fit or does it have to be smaller?

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No, 2 pipes the same size will not go together. You will need to probably buy an adapter. Lets say you have a pipe 2 1/4 outer diameter "od" " that is measuring from the out side edges across the pipe, you will need a pipe with an inside diameter "id" of 2 1/4 . you get that measurement buy measuring the inside of the pipe. so a pipe with a 2 1/4 od will fit a pipe with 2 1/4 id. .. hope that helps

Best thing to do is take a piece of pipe from the truck and take the cat to the auto parts store and get all the adapters that way. That way you know for sure you got all the right parts.

Posted on Feb 20, 2009

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SOURCE: 1984 s10 sound

Pipes are usually measured by what is known as ID and OD. ID simply stands for inside diameter while OD stands for outside diameter. If the pipe you have going to the converter is 2 1/4 OD you would need the converter to have a 2 1/4 ID in order for the pipe to fit properly inside and to assure good sealing with a 2 1/4 clamp. Or welding is always an option...either way same rules apply.

Posted on Feb 20, 2009

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Pipes are usually measured by what is known as ID and OD. ID simply stands for inside diameter while OD stands for outside diameter. If the pipe you have going to the converter is 2 1/4 OD you would need the converter to have a 2 1/4 ID in order for the pipe to fit properly inside and to assure good sealing with a 2 1/4 clamp. Or welding is always an option...either way same rules apply.

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Yes, you have to order the same size. You also need a coupler that joins the pipe to the Cat.

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it will work you can always put a sleve inside and weld around your pipe and clamp your converter

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Order the catalytic converter for that make and model and you will get the right size, assuming that the installation was done at the factory and has not been modified.

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I suggest using a factory cat with a y-pipe behind the cat to your dual exhaust. LMC Truck makes a great bolt on duel exhaust with resonators. Easy to install and great sound.

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a stock CAT will suffice. unless you want duel cat. than two stock. but a really good website with free shipping that i use for my s-15( gmc version s10) is autopartswarehouse.com and another Extremely good one is lmctrucks.com

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you can do it without weldind. If the old one is welded on then you will have to get another pipe to extend the pipe or get a cat long enoungh to fit the space than muffler clapit in place.

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