need exhaust parts for old blazer

Where is the best online place to get a complete exhaust system for an 1985 S10 Blazer.... street legal, and whats the difference between OE and a Direct Fit part?

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don wrote:

If by complete you mean from front manifolds to tailpipe then the BEST place is likely not online. That is because there are some parts where the shipping will be more expensive and kill the price difference from your local parts store.
BUT if you still want online try www.rockauto.com. They offer you different pricing levels and the prices are good.
Check the manifolds over VERY well, they have a bad habit of cracking between the ports on that vintage Blazer. BTDT on a few of them. IF they are broken the easiest way to go is to grind/cut the heads off, then use vice grips or weld larger nuts to the studs and remove them from the block. Usually they will rot about halfway between the head and block and just twist off there.
OE parts are supposed to be the exact same as factory parts. Same material, thickness, all bolt holes/threaded holes the same and in theory they are even made by the same company that produced the originals.
Direct fit are parts that fit the same as factory parts BUT may have differences. That means that if the OE pipes were mandrel bent the direct fit parts may have accordion bends. They may use a shorter muffler with a longer pipe, or possibly the only difference is that the maybe the OE part was made by Maremont and the DF part is a Walker.
I have used both with no problem. One thing with a direct fit that sometimes works in your favor. It is possible that the factory part has a known problem and the newer direct fit part has an updated design that helps with that problem. I believe that is the case on at least one make of the exhaust manifolds, they used a slotted hole and better gasket to help with the cracking between ports.
--
Steve W.

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