A question for the exhaust specialists out there.....
I'm gonna try to build a custom exhaust for my S4rs over the winter. Does anybody know what type of stainless steel our stock systems are? 304, 316, 321, 409? I'm guessing it's 321, but it would be nice to know for sure.
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“When you have 130 hp connected to your right wrist, an erect riding position that gives you perfect field of view and the mother of all stoppers you don't even ask yourself "why not" and end up riding like a total twat most--if not all--of the time.”
-Yossef Schvetz
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