RAR Pontiac Oversized 2.5" Outlet Round Port Manifolds, 64-79 GM A-Body (GTO), 70-81 Firebird, 69-81 Grand Prix / Mid-late '70's (Pair) RAR-RM-4-OS

Pontiac Oversized 2.5" Outlet Round Port Ram Air Manifolds-64-79 GM A-Body (GTO), 70-81 Firebird, 69-81 Grand Prix / Mid-late '70's (Pair) (May Have to Remove a Frame Brace to Install) (Requires 1- FL-1-OS / 1-FL-2-OS / H-2 Hardware Kit) **WILL NOT FIT 1964-67 FRAME WITHOUT MODIFICATION 1966-67 MAY have to dent/grind frame in 1/2'' to clear flange bolt boss. 1964-65 MUST move engine back 1/2" or grind/dent frame**.