This is a USED Midget 4 cyl header collector, 2 1/8" ID in and 4" OD out.
Header Collector 2 1/2 Out 4 1/2 BC Midget Sprint ASCS IMCA WISSOTA KN NHRA IHRA
Flowmaster 15925, Ball Flange Header Collector Kit 3In To 2.5 Performance Parts
Header Collector Exhaust Reducer - 2.5" Collector to 2.5" Outlet - AWHC212
FLO-PRO Header Collector Kit w/ Gaskets - Reducer - 3" Collector to 2.5" Outlet
Header Collector Exhaust Reducer - 3" Collector to 2.25" Outlet - AWHC300
