D DDot690 Member Joined Jan 11, 2004 May 31, 2014 #1 Looking for a 3.5 Downpipe stainless external wastegate that clears ATR / KB headers.
TR Custom Parts Mark Hueffman - Owner Joined May 25, 2001 May 31, 2014 #2 http://buickgn.com/downpipes3.5inch.htm
