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      08-31-2011, 07:19 PM   #2
SV Concepts II
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Drives: E90 M3
Join Date: Dec 2008
Location: 1460 White Oaks Rd. Suite F Campbell, CA 95008

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They are dual 80mm tips. I am not sure what the size of the stock exhaust tips are, but you can measure and compare. Active Autowerke makes a great exhaust system. Good choice, you will not be disappointed.