Re: Sub issues
you'll need to tap into the rear speaker leads off the the stock amp.
2015 Altitude - Billet Silver
Tow PKG + Park Sense + Backup Camera + Navigation + Alpine 9 Speaker
Mopar Slush mats + Cargo, Mopar 4" Chrome tips, 1.25" Bora Spacers, 15% Tint,
Gorilla Black Locking Lugs,Sylvania Ultra H11 Lows & Fogs