Description
If you’re running a Small Block Chevy in IMCA-UMP Modified competition, exhaust scavenging directly impacts your power output and consistency across the RPM band. The Beyea SBC Modified Header delivers optimized primary tube sizing and a efficient 3-inch collector to reduce backpressure while maximizing velocity through the transition—exactly what you need to stay competitive on the track. This is a bolt-on kit built for racers who demand reliable, no-compromise performance.
- Small Block Chevy compatible
- 1-5/8 to 1-3/4 primary tubes
- 3-inch collector
- Steel construction
- Black powder coat finish
- IMCA-UMP Modified legal
- Complete header kit
- Bolt-on installation
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