Looks like I am going to try and put in speakers that require a 5" cut out in the back doors, open the existing hole around .4". Anybody know of any structural, mechanical reason (or other) this is not a good idea (other than the PITA factor)?

Plan on using a sawsall - better ideas?

Thank you.

 

Go for it. I did the same thing only I used a dremel. You have a little more control that way. Just make sure to seal up the surface with something so you don't have any exposed bare metal.

 

Dremel with an abrasive disk for cutting? I have a small dremel rotory tool, did not know the disks could take on sheet steel. Was also thinking a jig saw with metal blade may give more control (and be less overkill) than a 14 amp sawsall.

Thanks for the idea Bill.

Speakers in the mail - cutting (& sound deadening) to comence shortly.