ECA 2007 - 2025 GMC Sierra CHEVY Silverado Crew Cab 4 HOLE 8" PORTED SUBWOOFER BOX

4 - 8" inch subwoofer box PORTED  SUBWOOFER ENCLOSURE BOX FOR GMC CHEVY Crew Cab 2007 - 2025 

Rhino lined
4-8" inch subwoofers
Front Firing System
Air Volume 1.00 Cubic Feet Per Side
Mounting Depth 13''
Material 5/8'' M.D.F
FIT ON  

• - Supports up to 2000 Watts, significantly higher than the standard 500 Watts.
  - Designed to endure demanding conditions without breaking or leaking.
  - Constructed from lightweight, high-strength materials for durability.
  - Includes stainless steel hardware to resist rust and corrosion.
  - Features a 5/16" bolt terminal for secure connections.
  - Cut-out diameter: 2.75 inches.
  - Flange diameter: 3.75 inches.
  

• 4 hole 8" Ported for GMC/Chevy 2007 - 2025 Crew Cab

• Underseat Frontfire

• Finished with Durable Bed Liner

• 2007 - CURRENT YEAR  GMC/Chevy Crew Cab

• Air Space:1.0 Cubic Feet (per sub)

• Mounting Depth: 11.25"

• Tuning Frequency: 35HZ