Aluminum Stock Up Pipe Replacement 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 great upgrade from the factory steel throttle body up pipe. It is polished 2.5"... MSRP: Was: Now: $89.00 Choose Options
Intercooler Extreme Front Mount 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... MSRP: Was: Now: $749.00 Choose Options
Intercooler Super Extreme 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... MSRP: Was: Now: $749.00 Choose Options
Pipes Hoses and Clamps Extreme Intercooler 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... MSRP: Was: Now: $335.00 Choose Options
Pipes Hoses and Clamps SE Intercooler 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... MSRP: Was: Now: $335.00 Choose Options
Precision 50mm Blow Off Valve This is a "Precison 50mm Billet Blow Off valve" .This is the solution you’ve been waiting for! Building upon its heritage as a one-stop shop, Precision Turbo & Engine (PTE) has designed, engineered, and manufactured the all-new PTE 50mm Blow... MSRP: Was: Now: $269.00 Add to Cart
Stock IC Hose Kit This is a GN1Performance "Stock IC HOSE AND CLAMP UPGRADE KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Kit includes (2) 2.5" silcone hose (1) 2" silicone hose and (6) heavy duty t-clamps... MSRP: Was: Now: $55.00 Choose Options
Stock Intercooler Aluminum Shroud This is a GN1Performance "STOCK INTERCOOLER ALUMINUM SHROUD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This shroud bolts directly to your stock intercooler and features a large opening to maximize the... MSRP: Was: Now: $225.00 Add to Cart
Stock Location Stretched Intercooler SLIC 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. This Intercooler features a newly designed 1 piece aluminum shroud! The Intercooler has 23... MSRP: Was: Now: $759.00 Choose Options
Turbosmart Gen-V Race Port Blow-Off Valve This is a "Turbosmart Billet Blow Off Valve". The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and... MSRP: Was: Now: $325.00 Add to Cart
Twin Turbo Intercooler This is a GN1Performance "TWIN TURBO 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 twin turbo intercooler with the bar and plate core. The core itself is 24x7x3. Overall... MSRP: Was: Now: $599.00 Add to Cart