I have a recently purchased 91' N/A and i want to upgrade the exhaust on it.
I am interested in the NATKO dual exhaust. What is the difference in the TIPS regarding single wall or dual wall?
Second question, is the B-pipe for stock muffler compatible with the 5sfe, or just the turbo?
If it is compatable with the 5sfe, is it then compatible with the NATKO?
Will you ever make a header for the 5sfe, or can i buy one and have you ceramic coat it, so it doesn't blue?
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