Nope, muffler is not needed ;).
And I just got my FCON wiring harness in the mail today(TP-8 for pre-89 ECUs), then I opened the FCOn up, only to find that I have the wrong chip for what i will be using it for. :rolleyes:...I have the E105V chip (for use with VPC), but I need the E155 (for use...