Stock header collector flange size,2010 ranger sport 4.0 rwd extended cab

[Matt1977]

Allright guys I have looked all over but can't find the answer, I had someone steal the cats off my truck so I have to fix it myself because of the cost ,but my question i need to come off the stock exhaust headers with extensions, what size is the header to the header extension flange,2.25"? I no thats the pipe size but just not sure if the flange is bigger

 

[sgtsandman]

Do you have headers or exhaust manifolds? There is a difference. If headers, what brand? Headers are welded tubing. Exhaust manifolds are a cast metal. Normally cast iron.

 

[Matt1977]

Sorry about the lack of info, I have stock exhaust manifolds. So I'm looking to come off the stock exhaust manifold on both sides with a (2.25"??) Pipe just for the life of me cannot find the flange size that meets with the exhaust manifold

 

[sgtsandman]

Unfortunately, I never did any customization work. Just pulled parts and put parts in that I was told fit.

The info you gave will help. I think the tubing for the exhaust is 2 1/4” though.

 

[Matt1977]

Ok great ill run 2 1/4 to where I can tie in to existing exhaust, I guess I could safely assume it's just 2 1/4" pipe flared for the flange?

 

[sgtsandman]

If yours is set up like mine, the pipe is flared and you will probably need new donut gaskets on the exhaust manifolds. You might want to consider have a couple extra studs on hand just in case. I had one snap on me when I replaced the driver's side cat. Once I had everything apart and the broken stud out, I replaced the other one just to be safe.

Depending on what you get, the studs might come with the passenger side pipe for where the two bolt together to make a Y. Since I didn't replace that side, I can't say whether nuts will come with it if it comes with studs. I had to cut the old studs off and knock them out. I bought some stainless steel bolts and nuts from the hardware store to reattach them.