Sorry I couldnt help you out. I live in the Northern Virginia area. But if you are looking for a great exhaust with 65mm piping, I highly recommend this one. Thats one reason the n1 wasnt in the running for me. Plus I hear that the n1 is louder. I wouldnt want it any loader than the hiper. Im lovin this thing <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/inlove.gif" border="0" valign="absmiddle" alt='
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