Viper Exhaust Kit CNP209_EXC601. Viper Race Cans present a wide range of road and sportsbike exhausts, offering stylish upgrades to original exhausts with increased performance. Developed and manufactured in an original equipment facility, Viper Race Cans utilise optimum materials to guarantee exhaust cans of unfaltering build quality. 1x EXC601 End Can. 1x CNP209 Link Pipe. Product Type: Exhaust Kit. Wide range of road and sportsbike exhausts. Stylish upgrades to original exhausts. Reduced weight over original cans. Increased power and torque. Alloy Oval Can design. Unbaffled for track use only. You can send us a message by using the “Questions and answers” section towards the bottom of the page.