4.0" to 2.5" Silicone Reducer .92ar Fin pitch is 15 fins/inch

Fin pitch is 15 fins/inch - 8 external and 7 internal

"in your face" design is sure to turn heads each and every time you pop your hood

and model and leave the rest to us

Click Here for our Installation Instructions

4.0" to 2.5" Silicone Reducer .92ar Fin pitch is 15 fins/inchJoining 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