Ihave H2O/Methanol injection kit, I'm to place the injector after the mass air sensor which is in the front of the throttle body. All TB spacer for this vehicle say's won't fit supercharged.
1999 Pontiac Grand Prix 2 Dr GTP Supercharged Coupe
Got a minute?
Take our two-question survey!
Your answers will help make CarGurus better for shoppers everywhere.