Our 4.5″ race intercoolers are hand crafted and pressure tested to 35 PSI. High quality Bell  “MADE IN AMERICA” cores along with 2.5″ end tank piping optional for maximum flow. Our very own 4.5″ race intercooler is on some the highest HP cars dialing in at 1200 HP.  We tested these intercoolers at the track trapping 154 mph as well as running 4.2 seconds 60 to 130 mph.