12-17 HARLEY FLSTC: Vance & Hines Big Shots Long Exhaust (CHROME) Maintain the intimidating look of a 2-into-2 system while achieving the performance advantages that come with a 2-into-1 race system. Big Shots Staggered feature the proprietary Power Chamber design which uses the volume of both mufflers to increase horsepower and torque. Finished off with 2-1/2" diameter plasma-arc cut, full-coverage heat shields, making them blue-proof systems with long lasting style.Big Shots Long come with the traditional straight billet end tips. Baffles, mounting hardware and easy-to-understand instructions are included for a hassle-free, perfect fit every time. Include mounts for factory O2 sensors.Power Chamber Crossover Technology.Full coverage heat shields.Chrome finish.Optional quiet baffle available.Equipped with sensor ports.Note: Vance & Hines recommends installing a Vance & Hines Fuelpak with any exhaust