Description
If you’re running a Big Twin Harley and want real power gains without chasing a tune-up afterward, the S&S Cycle 2-into-1 Grand National delivers. This stainless steel system merges cylinder scavenging for measurable horsepower while rewarding you with that signature deep exhaust note that separates purpose-built machines from stock bikes. The removable dB reducer gives you control—dial in your sound profile without sacrificing performance.
Built for riders who understand that exhaust systems aren’t cosmetic upgrades; they’re breathing apparatus for your engine.
- 2-into-1 collector design
- Stainless steel headers
- Full-length heat shields
- Flat black finish
- Gloss black aluminum cap
- Removable dB reducer
- No tuning required
- 50-state emissions compliant
- Bolt-on installation
- MPN: 4111-266
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