Engine stiffners???
:thinking:

You mean exhaust pipe stiffners?

Anyway, check out this link.

https://www.honda-acura.net/forums/s...d.php?t=175329

I still haven't done the job yet. The winter has been lasting longer than usual and i hate doing non-essential work in the cold when it can wait for warmer weather. Seems like you could do it yourself. Even then $450 is way too much!!

Hope this helps.