Move that IAC out of the way! The "Angle Boss" IACV Repositioning Block for the Buick GN, GNX, and 20th Anniversary Trans AM. Features: Replaces existing stock idle air control...
K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or...
Replacement 3.5" MAF Pipe for Turbo Buick Grand National, GNX, and T-Type 86-87 Comes with all of the necessary hoses and clamps for installation. If you require different hoses for...
Buick Turbo Intercooler Hose Kit The stock hoses are thin and blow off all the time. These heavy duty replacement units have a stock look shiny black outside with the...
This is a GN1Performance "Stock Replacement Up Pipe" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item is a...
K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or...
Better Air Flow for More Power. This upgrade will improve your GN's throttle response and horsepower. It's the perfect starting point for future modifications. Exceptional Quality. This throttle body is CNC machined...
