1999 Pontiac Grand Prix GT Acceleration

0-84mph acceleration in the 1999 Pontiac Grand Prix GT coupe, had to slow down for a sharp corner. Just had new lower and upper intake gaskets done, as well as valve cover gaskets and new MAP/MAF/Oil pressure sensors, plugs, and wires, and new fuel filter. N/A 3800 V6. Stock catback exhaust, stock tune, 87 octane fuel. Mods- -ZZPerformance 2.5” downpipe with high flow catalytic converter -ZZPerformance upper intake manifold -ZZPerformance 4” intake w/ filter -ZZPerformance coil packs -5¢ EGR mod -Bosch Injectors Exhaust work and software in the near future, unless I sell the car. Only 90k miles on it.