I have a custom 3inch exhaust. Downpipe all the way back. Designed for the S13 chasis with an SR20DET swap in it. I paid over $550 for it from Unnatural Inc. It's never been installed and comes with all gaskets/bolts/nuts. Reviews from it say that it is a quiet n low sound at cruising speeds, and throaty at WOT.
I'm looking for $300 + shipping.
For pics, check out this thread:
http://www.zilvia.net/f/showthread.p...05#post1951405
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-Rik