Watch in action

Precision Exhaust for Dirt Modified Racing

The Beyea SBC Modified Header is a purpose-built exhaust solution for racers utilizing the 604 Crate engine in IMCA and UMP dirt modified classes. These headers are meticulously designed to enhance the power delivery of the Small Block Chevy, focusing on mid-range torque and consistent high-RPM performance.

Technical Specifications

• Primary Tubes: 1.625-inch to 1.75-inch stepped design for improved exhaust pulse management.
• Collector Size: 2.75-inch collector optimized for specific dirt modified exhaust requirements.
• Material: Heavy-duty steel construction finished in a durable black paint.
• Fitment: Tailored for Small Block Chevy engines in dirt modified chassis.

By utilizing a stepped primary design, these headers effectively manage exhaust gas velocity, which is essential for the stop-and-go nature of dirt track racing. The 2.75-inch collector provides the perfect balance of backpressure and flow for the 604 crate engine's power profile. Each pair comes with the necessary gaskets, allowing for a straightforward installation so you can spend more time on the track and less time in the garage. When performance and reliability are your top priorities, choose the headers that have been tested and proven in the winner's circle. Find these and other high-performance exhaust components at GGCRACING.