FOX ACOUSTICS DODGE RAM QUAD & CREW CAB 1-12" VENTED SUB BOX

RAM QUAD AND CREW CAB DQC-112-V-P 1-12" VENTED PASSENGER SIDE SUB BOX FITS THESE THREE CATEGORIES #1- 3rd & 4th gen "2002-2018" 1500, 2500 & 3500 #2- 5th gen "2019-up" 2500 & 3500 Does NOT fit 1500 5th gen #3-  2019-UP "CLASSIC" 1500, 2500 & 3500 --- SUB SIZE: 12"SUB HOLE SIZE: 11.15"MOUNTING DEPTH: 7"MAX MAGNET DIAMETER: 7.5"INTERNAL AIR VOLUME: 1.85 FT3 TUNE FREQ: 34HZ --- 1" seat lift kit is included and is required for proper fit. 12" to 10" adapter ring available if you want to use a 10" sub. Subs with large diameter frames will require trimming of the opening by the installer.