Below are Documents and Articles that reference the Notchback option for the 1988 GTA.
Source: Pontiac
Date: 11/22/93
Contributed by Joe Bush
Source: Motor Trend Magazine
Date: 7/1988
Source: High Performance Pontiac
Date: 3/2006
Source: Motor Trend
Date: 2/1987
Source: Pontiac
Date: 8/1988
Contributed by GTA Source Page
Last Update: 12/08/07