3, Bellmouth OD: 8". 1 X 5" velocity stack. 2, Inlet OD: 5 ". We will do our best to solve it and satisfy you. Hardware as Shown in the Picture Above.
USA 3" INX 8" OD VELOCITY STACK BELLMOUTH FOR COLD/RAM AIR INTAKE/TURBO ENGINE
Blower Idler Pulley 3 1/8 OD 3" Wide RCD GMC 671 871 SBC BBC NHRA Mud
2.5" 3-1/8 OD v band flange .065 304 stainless tig welded turbo exhaust
3/8"NPT MALE TO PUSH TO CONNECT PTC 3/8"OD HOSE SWIVEL ELBOW FITTING 8PK VXA2323
Silver 3/8 OD Hose Barb End Nipple To 3/8 Npt Fitting Adapter 90 Deg - Warranty
3/8"NPT MALE TO PUSH TO CONNECT PTC 3/8"OD HOSE SWIVEL ELBOW FITTING 2PK VXA2323