Fox Box FSD-310-V-99 1999–2007 Ford F-250/F-350 Crew Cab Triple 10-Inch Ported Sub Box
Key features
- Three 10-inch mounting positions with 35 Hz port tuning.
- Required steel kit raises the seat 2 inches and moves it 2 inches forward.
- Stainless-steel Super Duty nameplate with three black powder-coated front plates.
- 7-inch mounting depth with a 6.5-inch-diameter magnet.
Fox Box FSD-310-V-99 1999–2007 Ford F-250/F-350 Crew Cab Triple 10-Inch Ported Sub Box is backordered and will ship as soon as it is back in stock.
Fox Box FSD-310-V-99 1999–2007 Ford F-250/F-350 Crew Cab Triple 10-Inch Ported Sub Box is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
This Fox Box enclosure is supplied empty and is shaped for 1999–2007 Ford F-250/F-350 Super Duty Crew Cab only. Its physical layout is three 10-inch mounting openings; vented; undivided chamber.
Enclosure-only listing. Subwoofers, amplifier and wiring are not included.
Key Features & Benefits
- Three 10-inch mounting positions with 35 Hz port tuning.
- Required steel kit raises the seat 2 inches and moves it 2 inches forward.
- Stainless-steel Super Duty nameplate with three black powder-coated front plates.
- 7-inch mounting depth with a 6.5-inch-diameter magnet.
Technical Specifications
| Model | FSD-310-V-99 |
|---|---|
| Vehicle fitment | 1999–2007 Ford F-250/F-350 Super Duty Crew Cab only |
| Configuration | Three 10-inch mounting openings; vented; undivided chamber |
| Air volume | 3.5 cu. ft. |
| Port tuning | 35 Hz |
| Mounting hole diameter | 9.125 inches |
| Subwoofer mounting depth | 7 inches with a 6.5-inch-diameter magnet |
| Magnet diameter | 6.5 inches at the stated mounting depth |
| Finish | Black spray-applied bed-liner coating |
| Maximum subwoofer outer frame diameter | 11 inches |
| Required seat change | 2 inches up; 2 inches forward |
Why Choose This Product?
This empty enclosure has the vehicle-specific shape and mounting layout listed above. Physical fit limits include mounting depth: 7 inches with a 6.5-inch-diameter magnet; opening diameter: 9.125 inches. Review the interior-clearance and installation restrictions before ordering.
Installation & Compatibility Notes
- Does not fit 2008+ trucks, Single Cab trucks or Extended Cab trucks.
- Not compatible with the rear power-window motor in its original location. The motor must be relocated or removed if installing this enclosure in a truck with a powered rear window.
- The steel seat lift is required and changes the seat position by 2 inches up and 2 inches forward.
- Remove the seats before bringing the enclosure into the cab. The manufacturer recommends two people and professional installation when the required bracket work is beyond your tools or experience.
- Larger subwoofer frames need opening modification. Maximum outer frame diameter is 11 inches; Sundown SA Classic drivers specifically require trimming.
Frequently Asked Questions
Can it fit a truck with a powered rear window?
Only with relocation or removal of the rear-window motor. The original motor location is not compatible.
Does it fit a 2008 Super Duty?
No. This original version is restricted to 1999–2007 Crew Cab trucks.
Is the seat lift included?
Yes. The required steel lift moves the seat 2 inches upward and 2 inches forward.
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Gallery note: Installation examples show vehicles and other equipment that are not included. Only the empty enclosure or accessory described in this listing is included.
