Witness the intersection of engineering precision and unparalleled style - the Blackbird 450 Slip-ons will elevate your Milwaukee-Eight Bagger to new heights of exhilaration and satisfaction. Inspired by the sleek sophistication of jet engine exhausts, the Blackbird 450s feature 4.5" tapering billet end caps with internally machined channels and CNC milled logo on their outer facing sides. But it's not just about looks - we've taken the roar to the next level. The Blackbird 450 Slip-ons feature our most aggressive baffle core, specially designed for Milwaukee Eight engines. Feel the thunderous resonance as you hit the open road, experiencing a symphony of power that's bound to leave a lasting impression.