Stainless steel. Used to tune SuperTrapp mufflers with the internal disc system. Typically more discs is more horsepower and sound. Less discs is less sound and more torque.
Fits: >
Satin stainless. 2-1 Megaphone system with a 2" collector and 4" diameter muffler. Provides an approx. 8-10% HP gain over stock. Designed for best results with stock capacity and generally smaller engines. Backpressure is adjustable through the use of the SuperTrapp internal disc system. Includes 12 four inch discs.
Fits: > 91-05 Dyna
Fits 4" Megaphone External Disc Series Systems. 6pk
2.0" screws will hold 1-20 discs (Discs and standard closed or open end cap). If you have a SuperMeg or FatShot system with the Aluminum Trim Ring you need to purchase the longer 'Race Bolt' kit.
Chromed steel. 2-1 Megaphone system with a 2" collector and 4" diameter muffler. Provides an approx. 8-10% HP gain over stock. Designed for best results with stock capacity and generally smaller engines. Backpressure is adjustable through the use of the SuperTrapp internal disc system. Includes 12 four inch discs.
Fits: > 71-84 Shovelhead (kick & e-start) (NU)