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Ground Shaker  GS-GF350P18B New

8" Black Single Ported Sub Box for 2017-2025 Ford F-350 Crew-Cab

Item #98721

Condition:   Brand New

Product Highlights

  • Ford F350
  • Crew Cab
  • Single Subwoofer
  • Ported Enclosure
  • Truck Subbox

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

$290.00

Reg. Price $390.00  Save $100.00
  Free 2-Years Warranty Included!

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Ground Shaker GS-GF350P18B 8" Black Single Ported Sub Box for 2017-2025 Ford F-350 Crew-Cab

We are an Ground Shaker authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • 8" Black Single Ported Sub Box
  • • Owner's Manual
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Compact Size and Big Bass

With a precise 7 1/8" cutout diameter and 4 1/2" mounting depth, this sub box fits neatly behind your rear seat for a clean, custom installation. Its 1.05 ft³ air volume and 38 Hz tuning frequency deliver deep, punchy bass that fills your cabin with powerful sound. Featuring a slot port design and weighing just 28 lbs, it’s easy to handle while maximizing performance and audio clarity.

Perfect Fit and Maximum Impact

Measuring 14" in height and 51 1/4" in length, this sub box is designed to fit seamlessly behind your rear seat without taking up extra space. The tapered design, with a top depth of 3 5/8" and bottom depth of 6 1/4", optimizes airflow for deeper, more powerful bass. It delivers premium sound while maintaining a sleek, space-conscious look in your truck.

 

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Built Tough and Sounds Better

Constructed from 5/8" high-quality MDF wood, this subwoofer enclosure is engineered for strength and long-lasting durability. Its carpeted trunk liner finish and airtight Titebond silicone seal protect the box while enhancing bass clarity. With sturdy Titebond wood glue construction and dual binding post terminals, it ensures a secure, reliable connection for consistent, high-performance audio.


SPECIFICATIONS


  • Speaker Size : 8 Inches

FEATURES


Specifications

  • Cutout Diameter: 7 1/8"

  • Air Volume: 1.05 ft³

  • Tuning Frequency: 38 Hz

  • Port: 1 slot (H-2” W-4” L-10 1/2”)

  • Weight: 28 lbs

  • Mounting Depth: 4 1/2"

 

Dimensions

  • Height: 14"

  • Length: 51 1/4"

  • Top Depth: 3 5/8"

  • Bottom Depth: 6 1/4"

 

Construction

  • 5/8" high-quality MDF wood

  • Carpeted with durable trunk liner finish

  • Sealed with high-quality Titebond silicone

  • Glued with high-quality Titebond wood glue

  • Dual binding post terminals

 

Installation

 

  • Fits behind rear seat

  • Forward-firing design

  • Some trucks require back wall removal for installation

  • UPC:
  • Weight: 28
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.

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