Multi-stepped header design for better flow and power
Anti-reversion louver technology, providing low-, mid- and high-end torque and increased horsepower over stock
Equalized back pressure ensures solid response without sacrificing performance
Design highlights half-megaphone/half-straight 4" muffler with a 4" billet end cap and heat shields that fit seamlessly over collector and primary tube
Available in black with black end caps
Includes 18 mm O2 sensor ports
Replacement end caps available separately
12-17 Dyna models require bung adapter kit PART #1861-1095