4-1 shorty racing header for Toyota

4-1 1 piece design Chrome Racing Header

4-1 Header utilizes latest exhaust flow design to improve exhaust flow. The 4-1 long tube design design dramatically reduces engine back pressure caused by power-robbing the exhaust manifold and increases both horsepower and torque. Using computer-controlled mandrel benders, 16-gauge steel tubing, thick steel flanges and quality manufacturing techniques to ensure proper a seal and fitment with the Toyota engine.

Mandrel bend
CNC flange
Utilizes Factory O2 Sensor
Large pores and collector

$215.00