Beyea Custom Headers IDMTY-23S2S UMP Modified Tri-Y Header Small Block Chevy 23 Degree

The Beyea Custom Headers IDMTY-23S2S is a UMP dirt modified Tri-Y header specifically engineered for small block Chevy engines with 23-degree cylinder heads. Designed for competitive circle track racing, this header features a single-step tubing configuration with 1-3/4 inch to 1-7/8 inch primary tubes that merge into a 3.5-inch collector, optimizing exhaust flow for maximum horsepower and torque across a broad RPM range.

Key Features:

• Tri-Y collector design provides broader power curve for dirt modified racing
• Single-step primary tubes: 1.75 to 1.875 inches
• 3.5-inch collector diameter
• Constructed from high-quality steel with black paint finish
• Gaskets included for complete installation
• Sold as a pair for complete engine setup
• Designed for 23-degree cylinder head applications

Beyea Custom Headers has developed a reputation among top Modified and Late Model race teams through extensive on-track and dyno testing. Each header is precision-fabricated to ensure proper fitment and performance in competitive racing environments. This header is designed exclusively for racing and off-road use and is not legal for street-driven or emissions-controlled vehicles.