Applicable Indian Chieftain models: 2021 Roadmaster Limited: 2017-2018 Chieftain Elite: 2020-2021 Chieftain Elite: 2020-2021 Roadmaster Dark Horse: 2020-2021 Challenger Limited: 2020-2021 Challenger Dark Horse: 2020-2021 Challenger: 2018-2021 Springfield Dark Horse: 2017-2021 Chieftain Limited: 2016-2021 Chieftain Dark Horse: 2014-2021 Chieftain

The Cobra Neighbor Haters Series slip-on mufflers provide that perfect balance between sound (loud, but not too loud) and performance. And when used with the stock head pipe, these are 50-state legal. (See manufacturer declarations below.)

The 4-inch body bells out to 4.5-inches at the rear. It features a smooth rolled end. That shape adds a megaphone enhancement to the sound, and the louvered mechanical core exits in a trumpet bell shape that allows the V-Twin soundtrack to flow at full song.