Description
If you’re running IMCA Modified competition, exhaust scavenging directly impacts your power output and consistency across the track. The Schoenfeld SBF Modified Header delivers optimized primary tube sizing and collector geometry engineered specifically for Small Block Ford engines in circle track competition. This is a purpose-built system that eliminates the guesswork—you get proven performance from a manufacturer trusted by serious racers.
- Primary Tube: 1-3/4 inches
- Collector Size: 3-1/2 inches
- Application: IMCA Modified
- Engine: Small Block Ford
- Material: Steel construction
- Finish: Black paint
- Configuration: Complete kit
- Installation: Bolt-on
- Manufacturer: Schoenfeld
- Part Number: 3186






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