With less intake restriction you'll see faster spool and shorter rear tire life! If you'd like to get a 3.5" LS1 MAF to go with this kit I have themHERE.
3" Clamp Weld in MAF Pipe Tube aluminum GM MAS sensor Intake IC pipe
1986-1987 Grand National MAF Pipe Turbo Intercooler Hose T-Bolt Clamp Set BLACK
3.5" MAF PIPE - Grand National - intake kit - mass air flow -Black-
For Thermotec SE19/35-105X60 cooling system pipe SE19/35-105X60 cooling system
BCP 3.5" 89mm Inlet MAF Mass Air Flow Sensor Adapter Intake Pipe Tube
2.75" OD Opening MAF Mas Sensor Aluminum Air Intake Pipe For Toyota Mazda