QQ Thunder Monster Baffles for pipes with an inside diameter of 1 5/8" and outside diameter of 1 3/4".
Some of the pipes these fit: Vance & Hines Standard Big Shots, Drag pipes, Samson Street Sweepers with removable tip, Ground Pounders with removable tip, Cycle Shack drag pipes. The QQ Thunder Monster baffles are also designed to fit stock head pipes on Harley-Davidson motorcycles as well as most aftermarket head pipes. These are only a few examples of pipes and you will need to measure your pipes for proper sizing.
If you have any questions please call! 704-847-1222