I just finished installing
Punch PP4 -T 1.5" Aluminum Compression Bullet Tweeters to replace the old school MTX tweeter speakers.
and the RF subs about 2 weeks ago.
I made the 5th order box with 2 - 8 ohm 18" Rockford Fosgate subs ran parallel and powered by a Rockford Fosgate RF2000 amp ...can you say BASS