These are 1973-1974 Chevrolet/GMC C/K 1 are designed for Hooker Competition header back applications using header 2452HKR. This system uses 2.25-inch 16-gauge aluminized tubing to reduce back-pressure and improve engine efficiency. The system is mandrel bent to eliminate any crush sections in the tubing to help maximize the exhaust flow for better performance.
Features:
Mandrel Bent Tubing Eliminates Restrictions in Bends and Improves Exhaust Flow