4 Inch Aluminum Maf Air Flow Pipe

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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.

This item will not work with the factory air box.

*Air filter is not included, but is available

***Please note, in order to run this large of a diameter intake pipe you will need to have the IAC sitting at a 45 degree angle. You can achieve this buy running the IAC Angle Boss adapter plate we sell, or running our 72mm TB which has the angle boss built into it.