Dual 12" Down Fire Box for Chevy Silverado / GMC Sierra Crew Cab 19-25

Dimensions:

• Width: 49"
• Front Height: 10.5"
• Rear Height: 6.5"
• Height: 10.5"
• Bottom Depth: 15.5"
• Top Depth: 15.5"
• Depth: 15.5"
• Mounting Depth: 7"
• Cutout Diameter: 11.125"
• Weight: 41 LBS
• Air Space per Cubic Foot: 1 Per Chamber
• Tuning Frequency: 40Hz