Exhaust Manifold Air Injection Smog Tubes, 396 & 427ci (69-72 Nova)Find parts that fit my vehicle

Exhaust Smog Tubes. The Exhaust Manifold Air Injection Smog Tubes for 396 & 427ci engines are designed to route air from the smog pump to the exhaust manifolds to reduce emissions. They play a vital role in meeting emission regulations by ensuring more complete combustion of exhaust gases. This helps maintain engine performance while reducing harmful pollutants.

Construction and Appearance. These smog tubes are made from durable materials built to withstand high exhaust temperatures and resist corrosion. Their natural metal finish is designed to integrate seamlessly with the engine’s air injection system without compromising appearance.

Installation. Installation is straightforward and typically requires only basic mechanical skills, with no drilling necessary. They fit directly into the existing smog pump and manifold ports for a clean, secure setup.

Application. This product fits 1969-1972 Nova models and is intended for vehicles without factory air conditioning systems.

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