Black straight fishtail 33" muffler set has an outer diameter of 1-7/8" for M8 models. Fishtails are straight through without baffles. Not legal for street use! NOTE: The right hand fishtail has 2-1/2" inlet and the left side fishtail has 1-3/4" inlet.The item "Black Fishtail 33 Slip-On Mufflers Exhaust Pipes Harley 17-18 Touring Bagger" is in sale since Tuesday, February 6, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Exhausts & Exhaust Systems\Silencers, Mufflers & Baffles". The seller is "americanclassicmotors" and is located in Zieglerville, Pennsylvania. This item can be shipped worldwide.