Diverter Boxes-Tubes

In trucks and other vehicles, diverter boxes are essential parts that route exhaust gases. Since exhaust works for multiple purposes throughout commercial fleets, the diverter box helps it go where it's needed to control sound and heat.

What Is a Diverter Box, and What Does It Do?

A diverter box is a control unit with an internal flap that controls the direction of exhaust gases. The box consists of several key components and features, including:

• Valves or dampers: Metal flaps or gates that open and close to control the flow
• Actuators: Motors or vacuums that move the valves or dampers when needed
• Control systems: Switches on the dash that drivers use to change exhaust flow

Since they deal exclusively with hot gases, diverter boxes are often made from stainless steel for its durability and reliable performance in high-temperature conditions. Tubes are used as diverter box connectors, attaching the part to the rest of the line and preventing leaks.

Which Vehicles and Equipment Use an Exhaust Diverter Box?

Exhaust diverter boxes are useful for diverting heat and controlling noise throughout several different trucks and types of industrial equipment. Examples include:

• Dump trucks or semi-trucks: Move heat to the truck bed to keep loads from freezing in cold weather conditions
• Industrial power or gas turbines: Send exhaust gases to a heat recovery steam generator or directly into the atmosphere
• Drilling rigs: Push cuttings and fluids away from the drill rig during operation to ensure smooth and safe operation
• Marine engines and performance vehicles: Switch between a quieter, muffled exhaust for cruising to a louder, racing rumble for high performance

No matter the specific use case, diverter boxes offer choices about where to send exhaust to vehicle and heavy machinery operators. Exhaust gases can either continue on their original path to be expelled into the air, or be diverted for other purposes. Once they change direction, exhaust gases serve to add heat to areas that need it, generate power in industrial settings, or muffle noise in high-performance boats or cars.

How Does a Diverter Box Work?

A diverter box comes in two distinctive types that work differently, either as a cutout or diverter system. Typically used in privately owned high-performance cars and racing vehicles, a cutout is an aftermarket modification that allows drivers to bypass the muffler entirely and let exhaust gases directly out into the atmosphere. This increases sound and can boost horsepower. The change is all or nothing — the exhaust is either muffled or loud, making the car street-legal or race-ready.

A diverter system, on the other hand, is used more widely in professional fields for trucking or industrial purposes. A diverter can be an OEM feature for heating, power, or noise control. Diverter boxes contain a flap or butterfly valve controlled by manual operation or electronic means. In most use cases, a valve can either be open or closed. However, dump trucks often have three or four position options for more precise heating control.

Why Use a Diverter Box From Truck Pipes USA?

Our commitment to quality, precision, and expert support means you can count on us. With North American-made parts that meet or exceed TS16929 standards, you can count on our exhaust components — including diverter boxes and tubes — too.