Intakes & Air Induction (14)

Replacement 4" 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...

PTE Upper manifold for 70MM throttle body This new design upper manifold will help air distribution and improve performance. Stock as cast appearance

1" Plenum Spacer for Stock 86-87 Intake Manifold

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...

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...

Accufab MAX 70mm Black Throttle Body for Buick GN 1986-1987  Better Air Flow for More Power. This upgrade will improve your GN's throttle response and horsepower. It's the perfect starting point...