I wouldn't use the loops with stock OEM mufflers as the left and right are different sizes. The loops do not have a balance tube to balance the pressure differences between the left and right OEM mufflers.

Quote Originally Posted by olegoat345 View Post
Wonder how the '15-'17 mufflers, w/ torque loops would sound. I'm sure the cats tone down the mufflers a lot. Anybody tried that?