2-into-1 4.5in. Big Bore Exhaust With ProFlo Headers - Stainless Steel. Fits Touring 2017up - SP Concepts Exhaust Air Cleaner Kits & Components * Stock base circle sizes

* Stock base circle sizes allow the use of stock or Andrews adjustable pushrods

generates more power than the OEM stock starter

* Standard end cap

* Proudly made in the USA

* Matches the Harley-Davidson Turbine wheel design

2-into-1 4.5in. Big Bore Exhaust With ProFlo Headers - Stainless Steel. Fits Touring 2017up - SP Concepts Exhaust Air Cleaner Kits & Components * Stock base circle sizes* PROFLO Headers, Designed to give you even more bottom end torque, and mid to high range horsepower * 4. 5 high flow performance rolled cone muffler with stepped baffle from 2 to 2 inches. Increases bottom to mid range torque and horsepower on all motors. Tuned properly can accommodate 88 to 143. * 065 stainless steel headers stepped from 1 to 1 7 8 to 2 at the collector * Hand tig welded from top to bottom * Machined stainless steel header collars *