Sawicki Speed Shop 2-Into-1 Full Length Exhaust For Indian 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 is lighter than your stock exhaust and provides significant horsepower and torque gains! 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 Mandrel bent aircraft quality stainless steel tubing Hand formed merge collector allows precise flow performance All TIG welds performed by hand in Charlotte, NC 18mm O2 sensor bungs for aftermarket tuners, accepts 12mm sensors with reducers Note: Sawicki recommends flat mesh race style exhaust gaskets.