1978-1988 GM A/G-Body (Monte Carlo/Malibu/El Camino/Cutlass/Grand Prix/Regal/Bonneville), Full-Length LS-Swap, 1-7/8", Collector Size 3"
- For GM LS engine swaps into 1978-88 GM A/G-Body vehicles
- 1-7/8" primary tube diameter and 3" collector diameter ideal for "hot" LS1/LS6/LS2 or 5.3L-6.0L Vortec truck engine swaps
- Long tube design for optimum engine performance
- Mild steel construction with black painted finish