This is a GN1Performance "EXTREME FRONT MOUNT INTERCOOLER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Its custom hand built aluminum front mount intercooler with the bar and plate core. This intercooler comes complete with all the aluminum pipes and hardware needed to put on your car today! The dimensions of this intercoolers core are 24x11x3, and from tank to tank is 30.5 inches in total length featuring 3" inlet and outlets. Tube sizes are all 3 inches in diameter and are mandrel bent aluminum pipes. This intercooler is light weight and good for up to 800hp. This intercooler has no turbo lag. When purchasing please specify whether you have a stock or aftermarket throttle body.

• Please specify when purchasing whether you have a stock or aftermarket throttle body and what size your turbo outlet is so we can provide you with the correct hoses.

This is a GN1Performance "STOCK LOCATION STRETCHED INTERCOOLER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. It has 23 rows, this intercooler features a beautiful highly polished finish and an adjustable air scoop. The beauty of this intercooler is that it helps avoid over heating issues, when compared to the front mount intercoolers, this is the perfect everyday driver setup. The intercooler mounts directly to your original up pipe and turbo just as the stock one does. The sizes of this unit are; 13.5" wide (just like the factory) 15.5" tall, and a 3" thick core with a 2.5" inlet and a 2.5" outlet. Also included in this kit are hoses and clamps.

• Please specify when purchasing whether you have a stock or aftermarket throttle body and what size your turbo outlet is so we can provide you with the correct hoses.

This is a GN1Performance "SUPER EXTREME FRONT MOUNT INTERCOOLER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.This SUPER EXTREME model is a custom hand built aluminum front mount intercooler that has a bar and plate core .This intercooler comes complete with all the aluminum pipes and hardware needed to put on your car today! The dimensions of this intercoolers core are 27x17x3.5 Tube sizes are all 3 inches in diameter and are mandrel bent aluminum pipes.

• Please specify when purchasing whether you have a stock or aftermarket throttle body and what size your turbo outlet is so we can provide you with the correct hoses.

   

This is a GN1Performance "WATER COOLED INTERCOOLER ICE TANK" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item is for the people who are running a water cooled intercoolers. This is to be mounted in the trunk and filled with Ice water which is connected to a pump that circulates the ice cold water through the intercooler to get the extremely cold air  into your engine.

• Please specify what size throttle body and turbo outlet you have when purchasing.

This is a set of GN1Performance "SE Intercooler Pipes" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This combo feature Mandrel bent 3" polished aluminum pipes with heavy duty silicone hoses and clamps.

• Please specify what size throttle body and turbo outlet you have when purchasing.