Categories cobra cruiser parts and gear Cruising custom mufflers Harley-Davidson Other Motorcycle Blogs slip ons tri-oval II Cobra Launches Tri-Oval II Bagger Mufflers Post author By staff Post date January 25, 2015 Cobra recently updated its original Tri-oval slip-on muffler with a sequel. According to the company, the Tri-oval II is a significant upgrade over the original that also…