SP Concepts Full Length Turnpike 2-Into-1 Exhaust For Harley Touring The SP Concepts Full Length Turnpike 2-Into-1 Exhaust delivers race-inspired performance with a deep, aggressive tone. Hand TIG-welded stainless headers that step to 2 at the collector, its built for strength and flow. A 4 rolled cone muffler and coiled baffle design boost torque while giving your Harley a signature growl. Features: 4 rolled cone muffler provides an aggressive bark 2 1/2 coiled perforated baffle for increased torque and a deep tone .065 stainless headers step from 1 3/4 to 1 7/8 to 2 at the collector TIG welded by hand from top to bottom Machined stainless header collars 18mm O2 bungs with 12mm adapters for performance and stock O2 sensors Includes all hardware and brackets Heat shields available separately Available in a variety of finishes: Stainless, Polished Stainless, Black and Black Onyx Note: New gaskets recommended, sold separately.