stainless steel, for the last 15 years or so
Saab belonged to GM during this model year...so yes, GM made those cars. They made them in the Saab factory in Sweden.
The exhaust valve is always smaller.
yes
It is gm general motors and any car that is made from a factory company. in order to get their name on their cars they have to be proccesed from the companies factory only
You need a gm scanner to program a factory gm remote fobs.
that would depend on where in the country you are.
all engines have exhaust headers but the headers your thinking of are aftermarket performance headers, the ones on the 440 from the factory are made of cast iron.
3.5 inch from factory
$150-$200
It is made by GM. It is made by GM.
The bigger valve is the intake.
You might want to double check, but GM was using "Header-Like" exhaust manifolds from the factory. If that's the case, you won't get much improvement by putting on headers.