Nov 23, 2015 #1 G gn_steve boosted canadian Joined Apr 12, 2011 Messages 554 I saw this upper intake on a gn and was wondering what it is?? Sent from my iPhone using Tapatalk
Nov 23, 2015 #2 V6sleeper Turbo Buick's since 1988 TurboBuick.Com Supporter! Joined Jan 18, 2011 Messages 2,286 Its a Gn1 72mm tb and plenum, happens to work pretty good but not needed over stock.