2nd Gen Ram Tech1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
1999 Ram 1500 Sport regular cab speaker replacement sizes
fronts are 6x9. rears are 5-1/4, but 6-1/2's will fit.
you have to be a little careful with the fronts, as the window frame behind the speaker creates a shallow hole. to fit in the hole, crutchfield list 6-1/2 rounds.
i've replaced my front speakers with rockford fosgate punch series 6x9's, they fit perfectly!
I din't put speakers in the back yet because i have a 4-channel amp and 2 of those channels are in use for my subwoofer.