so i was looking at some speed daddy headers and i noticed they had more for the grand prix

1.7" DROP SUSPENSION LOWERING SPRING SPRINGS 97-03 PONTIAC GRAND PRIX V6 YELLOW | eBay

T04E T3/T4 .63 TURBO TURBOCHARGER 300+HP W/ INTERNAL WASTEGATE V-BAND DOWN PIPE | eBay

UNIVERSAL 27"X5.5"X2.5" INTERCOOLER+2.5" RED PIPING+TYPE-RS BLOW OFF VALVE+HOSE | eBay

Anyone think that turbo or intercooler is trustworthy?