Spectre Inline Air Box 4in. w/Filter - 9833

Spectre's polished aluminum inline airbox with air filter has a 3 inch inlet and outlet. This cylindrical air box has an outside diameter of 4 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.

Spectre Inline Air Box 5in. w/Filter - 9832

Spectres polished aluminum inline airbox with air filter has a 4 inch inlet and outlet. This cylindrical air box has an outside diameter of 5 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.

Spectre Inline Air Box 6in. w/Filter - 9831

The Spectre polished aluminum inline air box with air filter has a 4 inch inlet and outlet. This cylindrical air box has an outside diameter of 6.1 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.

Spectre Air Box Kit 14in. / Dual 120 Degree Inlets - Chrome w/Black Ducts - 733

Under hood hot air can heat soak the air going into your engine and rob your engine of horsepower. For this reason, Spectre has engineered these universal air intake systems for classic V6/V8 muscle car/pickup models with a GM factory or aftermarket...

Spectre Air Box Kit 14in. / Dual 180 Degree Inlets - Chrome w/Black Ducts - 728

Under hood hot air can heat soak the air going into your engine and rob your engine of horsepower. For this reason, Spectre has engineered these universal air intake systems for classic V6/V8 muscle car/pickup models with a GM throttle body injection...