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  • 72mm Throttle Body and power 6 Plenum 72mm Throttle Body and power 6 Plenum 72mm Throttle Body and power 6 Plenum 72mm Throttle Body and power 6 Plenum 72mm Throttle Body and power 6 Plenum

    72mm Throttle Body and power 6 Plenum

    This is a NEW AND IMPROVE "GN1Performance BILLET ALUMINUM 72mm THROTTLE BODY AND POLISHED UPPER PLENUM" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. With this throttle body and plenum kit you...

    $589.00
  • 4 Inch Cold Air Intake Without MAF 4 Inch Cold Air Intake Without MAF 4 Inch Cold Air Intake Without MAF 4 Inch Cold Air Intake Without MAF 4 Inch Cold Air Intake Without MAF

    4 Inch Cold Air Intake Without MAF

    This is a GN1Performance "HUGE 4" COLD AIR INTAKE SYSTEM" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.The kit includes a custom fabricated huge 4 inch aluminum...

    $225.00
  • 4 Inch Aluminum Maf Air Flow Pipe 4 Inch Aluminum Maf Air Flow Pipe 4 Inch Aluminum Maf Air Flow Pipe

    4 Inch Aluminum Maf Air Flow Pipe

    This is a GN1Performance "4" ALUMINUM MAF AIR FLOW PIPE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item features a beautiful high polished finish. It comes complete with hoses and clamps...

    $105.00
  • 3.5"  Inch Aluminum Maf Air Flow Pipe 3.5"  Inch Aluminum Maf Air Flow Pipe 3.5"  Inch Aluminum Maf Air Flow Pipe 3.5"  Inch Aluminum Maf Air Flow Pipe 3.5"  Inch Aluminum Maf Air Flow Pipe

    3.5" Inch Aluminum Maf Air Flow Pipe

    This is a GN1Performance "3.5" MAF ALUMINUM AIR FLOW PIPE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a 3.5" MAF pipe for your Buick Grand National, perfect for those who are running a...

    $105.00
  • 3 Inch Cold Air Intake Kit with Filter 3 Inch Cold Air Intake Kit with Filter 3 Inch Cold Air Intake Kit with Filter

    3 Inch Cold Air Intake Kit with Filter

    This is a GN1Performance "3" COLD AIR INTAKE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.The kit includes a custom fabricated 3 inch aluminum pipe, K&N air filter, and our custom mass air flow...

    $289.00
  • 3 Inch Aluminum Maf Air Flow Pipe 3 Inch Aluminum Maf Air Flow Pipe

    3 Inch Aluminum Maf Air Flow Pipe

    This is a GN1Performance 3" "ALUMINUM MAF AIR FLOW PIPE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item features a beautiful mild polished finish. It comes complete with hoses and clamps.This...

    $105.00
34 of 34 Items