1994 Pontiac Trans Am Mufflex Cat Back System Install - Fresh Start GM High-Tech Performance Magazine Though the Formula's N/A LT1 didn't currently need more volume or pressure, despite adding over 150 hp with the RaceKrafters rebuild, ... |
1994 Pontiac Trans Am Mufflex Cat Back System Install - Fresh Start GM High-Tech Performance Magazine Though the Formula's N/A LT1 didn't currently need more volume or pressure, despite adding over 150 hp with the RaceKrafters rebuild, ... |