High Performance Boxes For Ford F-Series

Ford F-Series Stage 4 Under Seat Enclosure
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Want some great sounding bass in your Ford F-Series and want your subwoofer enclosure to look great? The Under Seat Enclosure is the perfect solution!

Stage 4 enclosures are always one of a kind, feel free to make a request! (Additional fees may apply). All Stage 4 enclosures are upgraded with a full vinyl wrapped exterior, as well as the addition of ballistic grade plexiglass viewing windows. The Stage 4 enclosures also include a badge so be sure to let us know what model your F-Series is on the checkout page! The main photo shows the Stage 4 WITH the upgraded front door sill option, without adding this option, it will be a standard OEM badge.

Features Include:
Vinyl Wrapped Perimeter
Carpeted Enclosure Top
Included Badge
Ballistic grade plexiglass windows (front panel standard)

Single Color LED
Speaker Terminal
MDF Construction
Beautiful rounded edges design

Subwoofer Fitment Notes: (Subwoofers are not included)
Maximum mounting depths
-Downfire WITHOUT a seat lift 3.5″
-Downfire WITH a 2.5″ seat lift 6″
-Upfire increases the above by 0.90″
-Front fire WITH a 2.5″ seat lift 7″  (Larger motor structure diameters may not work for all applications)

This item covers 2009-2021 F-150 SuperCrew trucks and 2017-2021 Super Duty SuperCrew trucks.

All enclosures are designed to be used without a floor mat/ floor liner.  Use of any sort of mat can impact fitment.

Ford F-Series Stage 3 Under Seat Enclosure
Call Or Email for pricing

Want some great sounding bass in your Ford F-Series and want your subwoofer enclosure to look great? The Stage 3 Under Seat Enclosure is the perfect solution!

Stage 3 enclosures are always one of a kind, feel free to make a request! (Additional fees may apply). All Stage 3 enclosures are upgraded with a full vinyl wrapped exterior. The Stage 3 enclosures also include a badge so be sure to let us know what model your F-Series is on the checkout page!

Features Include:
Vinyl Wrapped Perimeter
Carpeted Enclosure Top
Included Badge (Lighted doorsill is an upgrade option)

Single color LED

Speaker Terminal
MDF Construction
Beautiful rounded edges design

Subwoofer Fitment Notes: (Subwoofers are not included)
Maximum mounting depths
-Downfire WITHOUT a seat lift 3.5″
-Downfire WITH a 2.5″ seat lift 6″
-Upfire increases the above by 0.90″
-Front fire WITH a 2.5″ seat lift 7″  (Larger motor structure diameters may not work for all applications)

**No subwoofer (s). Be sure to note at checkout which subs you plan to use. If unsure of fitment, please email us in advance for verification. **

This item covers 2009-2021 F-150 SuperCrew trucks and 2017-2021 Super Duty SuperCrew trucks.

All enclosures are designed to be used without a floor mat/ floor liner.  Use of any sort of mat can impact fitment.

ford f-series stage 2 Under Seat EnclosurE
Call Or Email for pricing

Want some great sounding bass in your Ford F-Series and want your subwoofer enclosure to look great? The Stage 2 Under Seat Enclosure is the perfect solution! The Stage 2 enclosure is upgraded with a stitched vinyl wrapped the main body and carpeted top surface. The Stage 2 enclosures also include a badge so be sure to let us know what model your F-Series is on the checkout page!

Features Include:
Vinyl Wrapped Perimeter
Carpeted top of the enclosure
Included Badge
Speaker Terminal
MDF Construction
Beautiful rounded edges design

Stage 1 enclosures are available in four sizes
-Single sub (half-length)
-Single sub with a cubby (full length)
-Dual sub (full length)
-Quad sub High Output Front Fire

Subwoofer Fitment Notes: (Subwoofers are not included)
Maximum mounting depths
-Downfire WITHOUT a seat lift 3.5″
-Downfire WITH a 2.5″ seat lift 6″
-Upfire increases the above by 0.90″
-Front fire WITH a 2.5″ seat lift 7″  (Larger motor structure diameters may not work for all applications)

**No subwoofer (s). Be sure to note at checkout which subs you plan to use. If unsure of fitment, please email us in advance for verification. **

This item covers 2009-2021 F-150 SuperCrew trucks and 2017-2021 Super Duty SuperCrew trucks.

All enclosures are designed to be used without a floor mat/ floor liner.  Use of any sort of mat can impact fitment.

Ford F-series Stage 1 Under Seat Enclosure
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Want some great sounding bass in your Ford F-Series and want your subwoofer enclosure to look great? The Stage 1 Under Seat Enclosure is the perfect solution!

Features Include:
Black Carpeted Finish
Laser Etched OEM Logo (Or Upgrade to Badge) ***You must note your choice at time of purchase, otherwise we will build and ship without a logo/badge***
Speaker Terminal
MDF Construction
Beautiful rounded edges design

Stage 1 enclosures are available in four sizes
-Single sub (half-length)
-Single sub with a cubby (full length)
-Dual sub (full length)
-Quad sub High Output Front Fire

Subwoofer Fitment Notes: (Subwoofers are not included)
Maximum mounting depths
-Downfire WITHOUT a seat lift 3.5″
-Downfire WITH a 2.5″ seat lift 6″
-Upfire increases the above by 0.90″
-Front fire WITH a 2.5″ seat lift 7″  (Larger motor structure diameters may not work for all applications)

**No subwoofer (s). Be sure to note at checkout which subs you plan to use. If unsure of fitment, please email us in advance for verification. **

This item covers 2009-2021 F-150 SuperCrew trucks and 2017-2021 Super Duty SuperCrew trucks.

All enclosures are designed to be used without a floor mat/ floor liner.  Use of any sort of mat can impact fitment.

Ford F150 (13th/14th Gen) and Ford Superduty (3rd/4thGen) behind seat enclosure
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Craving an increase in bass response in your Aluminum Body F-Series SuperCrew or SuperCab, yet need all of your under-seat space left open?
The behind seat enclosure has you covered.

Maximum mounting depth is 3.5″. 12″ subwoofers are not recommended.
If using Kicker L7T 8″, add to cart as 10″, then note in comments.

Available in a single and dual configuration, without the need of moving your seat forward. You can utilize the LMI Welding Straight Ahead kit to increase overall depth and volume. Search “LIFT”, add the LMI item to the cart and indicate “Straight Ahead” in the notes.

Only available in carpeted finish.

If ordering without a subwoofer, please email ahead of placing an order to verify the subwoofer you are using will fit.

Does not include the subwoofer(s).

Due to the custom nature of this item, all sales are final, without exception.

-Lead time on the behind seat models is 15-18 Business days from payment to shipping.
-Relocation of the OEM jack/jack holder is required for fitment.
-With the seat bottom in the full upright/locked position, the woofer could make contact with the seat. It is not recommended to play the woofer while in this position. It is also not recommended to text and drive.
-Removal/trimming of the OEM back wall paneling is not required, yet it is recommended, excluding 3rd Gen SuperDuty. These models do require removal of carpet and trimmimg of plastic seatbelt cover.
-Needing an amplifier rack for the driver’s side?
-If using the Dual sealed enclosure, a single ported enclosure, a single 13TW5 sealed, you willl need to relocate the OEM amp if equipped. The aformentioned enclosures will not work with any of our amp racks.