DRAG SPECIALTIES Bolt Kit - Knurled - Primary MK685BK Linear Crew Fleece Muffler body has proprietary technology

Muffler body has proprietary technology to prevent bluing making this slip-on virtually blue proof

Pre-curved finger construction to reduce riding fatigue

Designed to be used with OEM stock head pipes or Pro Circuit head pipes Ultra-responsive performance Incredible horsepower gains when compared to stock Developed to increase the horsepower and torque throughout the power curve Aluminum/stainless construction for reduced weight and increased durability Strong mounting bracket(s) for increased durability Designed for easy disassembly and re-packing when needed Removable USFS approved spark arrestor

Conical shape sleeve

DRAG SPECIALTIES Bolt Kit - Knurled - Primary MK685BK Linear Crew Fleece Muffler body has proprietary technologyComplete motor sets for Big Twin include bolts for primary, cam, cam sensor, derby, rocker box, transmission top, transmission side, lifter block and clutch covers Complete motor sets for XL include bolts for primary, cam, derby, lifter block, points cover, rocker box and engine case Made in the U. S. A.