Bassani Pro Street Exhaust SystemPart Number: 1S35DFinish: Chrome Full-coverage heat shields Stepped headpipes improve exhaust flow for more power 1.75 inch head pipes step to 2 inch then into 2.5 inch Mufflers Heavy-duty 16-gauge steel construction for long life DCB-designed baffle manages flow to improve low-end torque Includes all mounting hardware Includes non-removable baffles Made in the USA Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Bassani Pro-Street Exhaust Part Number 1S35D Fitment Type Unit Sale Qty each Style Round Muffler Material Steel Color Chrome Size Finish Chrome Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston/Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration 2-into-2 Full Exhaust System Muffler Size 2.5 Inch Muffler Muffler End/Tip Style Slash-Cut End Cap Windshield Height Windshield Width Handlebar Diameter California Air Resource Board Compliance TRUE Product Disclaimer Items Included (2) Chrome drag pipe assemblies w/ heat shields (1) Black steel mounting bracket (1) 5/16"-18 x 1" square head bolt (1) 5/16"-18 serrated flange nut (2) 18mm to 12mm O2 sensor adapters (1) Cable tie (5) Hose clamps (1) Installation Instructions Fitments 2019 Harley-Davidson Softail Fat Bob - FXFB 2018 Harley-Davidson Softail Fat Bob - FXFB 2019 Harley-Davidson Softail Low Rider - FXLR 2018 Harley-Davidson Softail Low Rider - FXLR 2019 Harley-Davidson Softail Slim - FLSL 2018 Harley-Davidson Softail Slim - FLSL 2019 Harley-Davidson Softail Street Bob - FXBB 2018 Harley-Davidson Softail Street Bob - FXBB