Sawicki Speed Shop 2-Into-1 Shorty Exhaust For Harley Dyna 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 Shorty 2-into-1 exhaust from Sawicki Speed Shop is over 17lbs lighter than your stock exhaust and produces a killer 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 All TIG welds performed by hand in Charlotte, NC 18mm O2 sensor bungs for aftermarket tuners, accepts 12mm sensors with reducers Fits mid and forward controls Entire system weighs 10bs, 17lbs lighter than stock Note: Sawicki recommends flat mesh race style exhaust gaskets.