- PCX (Power Chamber Exhaust) technology
- Chambered high-flow catalyst cartridge designed to increase torque
- CNC machined billet end caps
- 49-state emissions compliant
- NOTE: Not compatible with quiet baffle 21947 (1861-1243).
- NOTE: Will not fit: Softail Street Bob, Sport Glide, Slim, Low Rider, Low Rider S, Fat Boy, Fat Bob, Breakout, FXDRS, Low Rider ST.