Fits 2001-2007 Chevy Crew Cab Non Heavy Duty
Fits 1500-2500-3500 Series Behind The Rear Seat
2-12'' or 2-10'' Woofers
The Largest Front Firing Systems For Chevy Crew Cab Non Heavy Duty.
Material 5/8'' M.D.F
Air Volume .82 Cubic Feet Per Sides
Speakers are not included
Shallow mount woofers recommended.
Mounting Depth 4.5''

Fits 2001- 2007 Chevy Crew Cab HD (Heavy Duty)
1-12''or 1-10'' or1-8'' Speaker
Fits under the back seat the passenger side.
Down Firing System
Air Volume .78 Cubic Feet
Mounting Depth 6.5''
Material 5/8'' M.D.F
Speaker terminal is included
Magnet diameter not more than 5''
1.5'' clearance under the box
Life time Warranty.

Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base up to four times stiffens the wood and no air leaks
Lifetime Warranty
Fits 2001-2007 Chevy Crew Cab Heavy Duty
Fits 1500-2500-3500 Series
2x10'' Speakers
Down Firing Systems
Material 5/8'' M.D.F
Air Volume .77 Cubic Feet Per Sides
Mounting Depth 6.25''

Fits 2001-2006 Chevy Crew Cab Heavy Duty
Fits 1500-2500-3500 Series Behind The Rear Seat
2-10'' Speakers
Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base, stiffens the wood and no air leaks
Life time Guaranty
Front Firing Systems
Material 5/8'' M.D.F
Air Volume .88 Cubic Feet Per Sides
Mounting Depth 5.5''
Back Panel Carpet Must Be Removed

Fits 2001-2007 Chevy Crew Cab Non Heavy Duty
Fits 1500-2500-3500 Series Behind The Rear Seat
3-12'' Woofers (shallow mount)
The Largest Front Firing Systems For Chevy Crew Cab Non Heavy Duty.
Material 5/8'' M.D.F
Air Volume .60 Cubic Feet Per Sides
Mounting Depth 4.25''