I disagree, and there are some who will either corroborate or not on this: I would be most surprised if the '04 does not have the 6.5" subs in a plastic enclosure as all Crossfire roadster, anyway, are...and there is no '04 (if I remember correctly) roadster. I can't speak for the coupe because I don't own one. You don't say if you have a coupe...

Here is the link to the thread with the suitable alternatives, some do require modification; most don't:

https://www.crossfireforum.org/forum...ferrerid=32459