Of corse it's going to matter. The mounting holes has to match.
It'll be a snugg,snug fit and the screws won't line up good....so you taking a chance on
striping your muffuler's thread.

if it was me...I'd buy it becuase I'll just enlarge extension's mounting holes slightly with a drill
or a drimel.


I have rolls of aluminum tape...but it'll coast me more to send it to ya.lol
Or a roll of aluminum tape cost more than that extension