Year: 2006-2017 Make: Harley Davidson Product Number: 592Z-31-32 31 Black 32 Chrome Details: Retail Price 592Z-31ABQ Black with Alum Sleeve with Perforated Wrapped baffle 592Z-31BBQ Black with Black Satin Sleeve with Perforated baffle 592Z-31CBQ Black with Carbon Sleeve with Perforated Wrapped baffle 592Z-32ABQ Chrome with Alum Sleeve with Perforated Wrapped baffle 592Z-32BBQ Chrome with Black Satin Sleeve with Perforated Wrapped baffle 592Z-32CBQ Chrome with Carbon Sleeve with Perforated Wrapped baffle Will Fit 2014-2017 Dyna Low Rider and Low Rider S with minor adjustments to brake pedal. 2006-2017 Harley-Davidson Dyna motorcycles D&D 2 into 1 Bobcat Exhaust pipe. 2:1 Bobcat is a stepped header system at the head is 1 3/4" to 1 7/8" at collector and 2 1/4" where the muffler goes to the header. All Bobcat full systems are equipped with heat shields,bolt kit and baffles. All D&D full systems are equipped with heat shields,exhaust gaskets, bolt kit and baffles. Each exhaust system is designed and dyno tested in our facilities. Our testing is done with the Harley Tuner's. Every pipe is designed to increase low-end torque and horsepower. Performance increases are about 8 to 10 percent with the proper tune on the bike. Perforated Wrapped baffle are for 96" to 113" motors 2006-2017 Bobcat comes with 12mm and 18mm O2 bungs for the stock 02 sensors that comes on the bike. All 2006-2017 Dyna models are required to be retuned with our exhaust. At idle, the motorbike is deep, boomy and full of character. Not only does the pipe look good, it is a wonderfully sounding experience for the rider. Dave Rash, Pope of Pipe Note: Blueing and Discoloration are caused by Improper Tuning and will not be covered under Warranty Notice: D&D Performance Exhaust Systems are designed for close course racing applications only. Not for use on pollution controlled vehicles. Finish Options: Midnight Black Show Chrome