4.5" to 4.0" Silicone Reducer Color:BLUE and that those goals may

and that those goals may change

Please tell us your vehicle year

Engine coolant/antifreeze

Be careful when buying Braided Stainless Steel Hose because they are not all the same

The lower 2 opposing return ports are unique in that they flow parallel with the pressure ports eliminating the need for elbow fittings

4.5" to 4.0" Silicone Reducer Color:BLUE and that those goals mayJoining your intake pipe to the throttle body assembly, air metering assembly, intercooler, BOV pipe, or turbo inlet outlet. Custom compressor, intercooler or inlet piping for turbo supercharged car Custom cold air intake for nonturbo car Replacement of all factory rubber parts Genuine 4 ply Silicone (5 silicone layers plus 4 reinforcement layers = 9 total layers!) Installer can cut silicone parts down to fit with a razor Heat tolerance: 40 to 392