One of the first upgrades that should be made on a GN. Eliminates the factory breather & keeps your intercooler from filling with oil.

Helps minimize crankcase pressure by not allowing boost to leak by like the factory PCV can. 

Top off your ported head & cam combination with a fully ported factory intake. It is a must for cars running 9's. =CORE REQUIRED=

Seal off that nasty oil leak forever. The factory o-ring on your filter neck becomes brittle & cracks.

Using the right wires is very important. These wires are a perfect fit. They look factory.

UNAVAILABLE 

These are the best spark plug wires available for the Turbo Buick. Call for prices of different types of MSD wires.

Fully ported iron heads can flow almost as much as aluminum. Truly the best ported iron heads on the market

This is a heavy duty turbo hose that can handle all the boost you can throw at it.