Cobra 4.5 Gen2 NH Upper Cut Slip-On Mufflers for Harley Touring The Cobra Gen 2 Neighbor Haters Slip-Ons feature a soul-lifting boom for those riders who think too loud is just right. Features: 50-State legal (declared manufacturer replacement parts) Upper Cut design where the angle matches the line of the stock bags 4.5 versions for M8 use a 2.5 louvered cores Fits extended stock bags Made in the USA