Jackpot end caps are CNC machined from aerospace grade 6061 billet alloy and fit all new generation slash down and slash up Jackpot Dyno Tuned mufflers as well as Jackpot PowerTube mufflers. Installation takes less than 5 minutes and requires no modification to the muffler. End caps feature a subtle Jackpot logo and they are available with a Black HTC coated finish or with a show Polished finish. For more info you can visit www.jackpotmufflers.com/accessories.htm