Alright, lets see, who makes these...
What?? Nobody does? Oh, okay, guess we'll have to then!
Available in mild steel or stainless steel, these are the same dimensions as the factory header flange, used on the SC430 for instance. If you're looking to make a set of headers that bolt up to the factory H or mid piping, this is what you'll need. Or perhaps your exhaust is rusted, and you just need replacement options.
As seen in the pictures, they match perfectly over a factory header, but still give plenty of room for improvement when it comes to flow.
We also make the flange that goes from the manifold to the head! That can be added as well.
Factory exhaust manifold not included. Why would you use one of those anyways? Ew.