Description
If you’re running a Small Block Chevy in IMCA Modified competition, exhaust scavenging directly impacts your power curve and throttle response. Schoenfeld’s SBC IMCA Headers are engineered with stepped primary tubes and a 3-inch collector to maximize exhaust velocity, reducing backpressure while maintaining the structural integrity needed for sustained high-RPM racing. This is a bolt-on upgrade that delivers measurable gains without requiring engine tuning adjustments.
- Primary tube: 1-5/8″ – 1-3/4″
- Collector size: 3-inch
- Material: Steel construction
- Fitment: Small Block Chevy
- Application: IMCA Modified racing
- Finish: Black paint
- Installation: Bolt-on
- MPN: 161-98H
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