This is a set of GN1Performance "EXTREME 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.
