How often do the hanger/brackets for the rear mufflers need to be changed? Has anyone had experience with either of these PU alternatives?
#1 - is a PU hanger insert from Revshift.
https://www.revshift.com/product-p/pei-m3.htm
#2 - Billet hanger bracket with PU core from Hack Engineering
https://www.hackengineering.co.uk/pr...ust-hanger-v2/
Do they work or add any NVH?