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 pipe, 4" K&N air filter, and the hose and clamps. This is item is for Buick owners who are running a stand alone fuel management system (fast, BIG stuff, etc).
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