I have for sale a used intake manifold removed from a 1999 Pontiac Grand Prix 3.8 Supercharged car. This is in very good condition, 

This will fit:
96-03 Bonneville 3.8 SC
96-99 Olds Eighty-Eight 3.8 SC
97-03 Grand Prix 3.8 SC
04-05 Impala 3.8 SC
04-05 Monte Carlo 3.8 SC
96-05 Park Avenue 3.8 SC
97-04 Regal 3.8 SC
96-99 Riviera 3.8 SC

I will ship immediately upon receiving payment.

Shipping is $27.00 to the lower 48 states.
I will ship on UPS, includes insurance.