• Fits 2001- 2007  Chevy Crew Cab Non HD 1500 new body style
• 1-10'' or1-8'' Speaker
• Fits under the back seat the driver side.
• Down Firing System
• Air Volume .71 Cubic Feet Per Side
• Mounting Depth 4.5''
• Material 5/8'' M.D.F
• Speaker terminal is included
• Magnet diameter not more than 5''
• 1.5'' clearance under the box
• The box is 27.5'' wide