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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 3.5" Mass Air Flow sensor. It comes complete with hoses and clamps.
This item will not work with the factory air box.
*Air filter is not included
*With this item you will have to adapt your air filter to the front side of your 3.5" MAF Sensor
***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.
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