Rinehart 2.5 in. High Performance BafflesHigh performance baffles for 2017-Later Milwaukee-8 Harley-Davidson Touring models equipped with Rinehart 4″ or 4.5″ MotoPro45 Slip-On mufflersFeatures2.5'' split-spiral core baffle provides a much louder, much more aggressive tone for your Rinehart mufflersThese baffles will also increase horsepower and torque by a small margin, ensuring no loss of powerNo need for tuning or re-mappingDirect replacement for existing baffles in our 4'' and 4.5'' Slip-On mufflers for 2017-Later Harley Touring modelsComes with all hardware needed for installation