S&S Cycle 550-0677B El Dorado Dual Exhaust System - Chrome with Thruster End Caps drive-chains-530 1983-1984 Yamaha IT490

1983-1984 Yamaha IT490

1993-1997 Yamaha YFM350FW Big Bear 4x4

but highly reduced heat transfer to the rider's body generated from any friction during a slide on the asphalt

2009-2016 Harley Davidson FLHX Street Glide

S&S Cycle 550-0677B El Dorado Dual Exhaust System - Chrome with Thruster End Caps drive-chains-530 1983-1984 Yamaha IT490Improved power and torque. Oxygen sensor location same as stock. Includes adapters for use of wide band or stock oxygen sensors. Use two high flow cats to increase exhaust flow while providing just the right amount of back pressure for optimum torque. Relocation of cats to 4 1 2in. mufflers reduces heat on rider. Produces a deep bass rumble exhaust note throughout the rpm range. 4. 5in. billet end caps. J2825 sound compliant. Made in the U. S. A.