R33 APEXi Bomber 3 Mild Steel Cat-Back Exhaust System

Bomber 3 Mild Steel Cat-Back Exhaust System by APEXi. Exhaust Pipe Material: Mild Steel. Exhaust Type: Cat-Back. Main Piping Diameter: 3.35" to 3.74". The Apex Bomber 3 series is the perfect choice for those who want to fabricate a unique one-off exhaust either for a race car or a custom street car. Now, the racing heritage and performance power of Apex can be felt on practically any vehicle.