Fits 1973-1974 GM C-10/20 2WD, 1-3/4", Long Tube Headers-Painted 70101503HKR flowmaster Ford LTS9000 (1990-1993

Ford LTS9000 (1990-1993

351 with/without console 1967-1969 Mercury Cougar 289

Max increases of up to 13 hp and 11 lb-ft over the stock exhaust at the wheels

These mid pipes are made from CNC mandrel bent 3-3/4 in

Fits 1973-1974 GM C-10/20 2WD, 1-3/4", Long Tube Headers-Painted 70101503HKR flowmaster Ford LTS9000 (1990-1993Hooker BlackHeart LS Swap Full Length Header Painted; 1973 1974 GM C 10 20 2WD Trucks, Full Length LS Swap, 1 3 4", Collector Size 3". These Headers are designed for use with Standard 12621HKR engine mounting brackets. Features: For GM LS engine swaps into 1973 1974 GM C 10 20 2WD Trucks 1 3 4" primary tube diameter and 3" collector diameter ideal for LS1 LS6 LS2 or 5. 3L 6. 0L Vortec truck engine swaps Long tube design for optimum engine performance