Which header is described as 'typically shorter length, dimpled, and connects to emission control devices'?

• A. Zoomie Header
• B. Dyno Header
• C. Stock Header
• D. Stepped Header

Answer: (C)

Stock headers are built to work with the vehicle’s emission-control system while fitting in the engine bay. Their runners are usually shorter so they can route cleanly into the catalytic converter and the sensors and controls that the factory uses. The dimples on the tubes are a manufacturing detail used to strengthen the tubing and keep flow characteristics even without adding cost, all while staying compatible with the emissions hardware. The hallmark is that this type of header is designed to connect directly to emission-control devices, ensuring proper function of the exhaust system as a whole. In contrast, other header designs are aimed more at performance (longer runners for scavenging or stepped diameters for tuning) or are open headers that bypass emissions controls, which is why they don’t match this description.