Right i have a question. Got a raceland manifold but need to know how to fit it. Well not the the manifold itself but the pipe that connects the manifold to cat.
Like this Manifold----> Pipe---> Cat.
4-2-1 manifold
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JarnoVWPolo6N
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Re: 4-2-1 manifold
It's to weld it onto the cat. I myself got flanges welded on, on both that connector-pipe, my cat and my decat-muffler, so it's an easy swap for yearly MOT emissions-check 
