Quote:
Originally Posted by torqdork
What do we have stock? I like the sound of whichever it is with the Perrin unres catback. Is there some benefit to changing the remaining pipe between the header and catback and if so, which is compatible with either EL or UEL header?
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Stock Header is EL.
There's two pipes between the header and catback. The Front Pipe and the Over Pipe.
There are benefits to changing these as the stock front pipe contains a catalytic converter. Changing this to a hi flow cat or removing it completely can produce decent gains.