1973-1987 Chevy-GMC Truck Hooker Header Back Dual Exhaust System Without Mufflers, 2WD Longbed-Small Block

Performance Exhaust System. The Hooker Header Back Exhaust System without muffler is engineered to optimize engine efficiency by reducing exhaust backpressure. It is designed specifically for racing use only vehicles requiring enhanced exhaust flow and performance improvements. This system supports competitive applications where high-performance exhaust is essential.

Construction and Appearance. This exhaust system is constructed from 2.25-inch 16-gauge aluminized steel tubing that provides corrosion resistance and durability. The mandrel-bent tubing design ensures smooth bends without restrictions, enhancing exhaust gas flow and overall engine output. The system delivers a raw pipe-only sound level with no muffler, offering an aggressive tone and appearance.

Installation. Installation is straightforward with included hardware and instructions, requiring no drilling, making it suitable for experienced installers or professionals seeking a hassle-free upgrade.

Application. This header-back exhaust system fits 1973 and 1974 Chevrolet and GMC vehicles equipped with 307/5.0L or 350/5.7L V8 engines in the base submodel configuration only. It is expressly intended for racing-use-only vehicles and is not legal for use on emission-controlled or street-registered vehicles.

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