SPELAB Exhaust Header for 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,1996,1997 Chevy GMC Truck 305 350 5.0/5.7L Replacing or upgrading your exhaust header is necessary for both engine performance…
TL;DR: SPELAB Exhaust Header for 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,1996,1997 Chevy GMC Truck 305 350 5.0/5.7L Replacing or upgrading your exhaust header is necessary for both engine performance and sound. Whether on or off the track, exhaust headers provide more horsepower and improved exhaust…
