The bore size of the outlet is 4" OD

- High quality aluminium radiator

The large bellmouth design with 3 inch diameter piping is manufactured from high quality cast stainless steel for superior heat resistance and strength

or if you are having a custom CAI made

si monta sui punti di fissaggio originali di Subaru Impreza GD 00-07

MERCEDES W117 BOOT LID SPOILER AMG-CLA45 2013 On - REPLICA - Celica (Mk7 (T230)) (1999-2006) The bore size of theMANUFACTURER : M2 Motorsport SPECIFICATION : Boot Lid Spoiler MATERIAL : Hard ABS Plastic MODEL YEAR : MERC W117 2013 Onwards Hard PU accurately moulded body panel that can easily except modern plastic primers for re finishing by professional auto body technicians. W117 2013 onwards rear boot spoiler in abs plastic.