Get rid of the rotted factory exhaust system on your 1966-1972 GM CST-10/20 and replace it with the MagnaFlow 16643 2.5" Dual Crossmember-Back Exhaust System. Made from mandrel bent tubing in the USA, the MangnaFlow has a straight-through flow design that results in greater torque, fuel economy, and horsepower. Featuring a low and deep tone, the crossmember-back system is engineered to have an excellent balance of interior and exterior noise levels and is tested against SAE j1169 standards.
Features:
- Made In The USA!
- All Mandrel Bent Tubing
- Lifetime Construction WarrantyÂ
- Increased Horsepower and Torque
Manufacturer Warranty*:
Limited Lifetime
Limited Lifetime
