Pair of Quiet Thunder Monster Baffles designed for mufflers or head pipes with an INSIDE DIAMETER of 1 3/4". Our baffle is slightly smaller to fit inside of that pipe size.
Typically For: Vance & Hines Standard Big Shots, Drag pipes, Samson Street Sweepers with removable tip, Ground Pounders with removable tip, Cycle Shack drag pipes, and more. THIS IS NOT A FITMENT GUIDE, MORE OF A MENTION OF WHAT SOME OF OUR CUSTOMERS HAVE SAID THEY'VE INSTALLED THESE IN.
The QQ Thunder Monster baffles are designed to fit stock head pipes on Harley-Davidson motorcycles as well as most aftermarket head pipes.