can someone please tell me and/or show me how/where you went through the firewall. its my final step before hearing them and its really bugging the heck out of me :dunno:
and use a Grommet to keep the fumes down and not rub through your wire sleeve.
Plastic ones are available also. The metal in the compression end will not touch the wire, and if the threaded end is an issue, a fiber bushing can be used on the end. If the metal ones were dangerous, electricians wouldn't use them.Streetwires has the same thing. $10 at Crutchfield. That one above looks metal. Not sure if I would want to use that.