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Old 06-10-2011, 11:39 PM   #4
JEM
Ironmonger
 
Join Date: Dec 2004
Location: SF Bay Area, CA
Posts: 127
Re: Thorley 399Y-3 Headers, Magnaflow muffler

bumpity-bump.

Oh, and after further research looks like the part # for this set is 399Y-1S. Only difference is still the Y-pipe-to-muffler connector.

Last edited by JEM; 06-11-2011 at 12:35 AM.
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