Sawicki Speed Shop 2-Into-1 Mid Length Exhaust For Harley Softail You don't have to compete in the bagger race league to realize the performance benefits of a US made 2-into-1 exhaust system. Your daily rider will come to life with a good pipe and a tune. The Full Length 2-into-1 exhaust from Sawicki Speed Shop looks great and provides a deep, purposeful tone. With over a decade of experience perfecting their high-flow race inspired exhaust systems, it's no surprise that Sawicki out performs the competition. Features: Classic stepped performance headers 1-3/4 primary to 2 for maximum performance Mandrel bent aircraft quality stainless steel tubing Hand formed merge collector allows precise flow performance Accepts forward and mid controls All TIG welds performed by hand in Charlotte, NC 18mm O2 sensor bungs for aftermarket tuners, accepts 12mm sensors with reducers 10hp and 12lb-ft of torque over stock Note: Sawicki recommends flat mesh race style exhaust gaskets. Fxlrst models require a Bag Support Bracket , sold separately.