Hooker BlackHeart Long Tube Headers - 1-7/8 in Primary - 3 in Collector - Stainless - Brushed - GM LS-Series - GM A-Body 1968-72 (Pair) Tin Snips no heim joints to wear

no heim joints to wear out and make noise

12 AN Female Outlet

Twist Lock

1967-2002 Pontiac Firebird

Hooker BlackHeart Long Tube Headers - 1-7/8 in Primary - 3 in Collector - Stainless - Brushed - GM LS-Series - GM A-Body 1968-72 (Pair) Tin Snips no heim joints to wearIncludes 3" merge style collectors and velocity spears Compatible with factory A C evaporator case and stock GM LS engine spark plug wires Bolt in compatible with both sets of Hooker 1968 72 A body specific engine brackets Does not require relocation of brake system proportioning valve Compatible with all GM automatic and Tremec T56 T56 Magnum transmissions O2 bung locations optimized for wide band O2 sensor operation reliability Easy installation