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Alterum Rear Seat Delete - Black (94-04 Convertible)

Market Price $274.99 You Save 9% ($25.00)
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  • Item 388914
  • MPN# 388914

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Features & Details

  • Improves Power-To-Weight Ratio
  • Drop Up to 37 Pounds
  • 3/16" Thick ABS Plastic Construction
  • Premium Black Carpeting
  • Deletes Rear Seats
  • Sporty 2-Seater Styling
  • Easy, Bolt-In Installation
  • Fits All 1994-2004 Mustang Convertibles
Improves Power-to-Weight Ratio. Go faster by dropping up to 37 pounds with a new Rear Seat Delete Kit for your 1994-2004 Convertible Mustang. One of the easiest ways to reduce ET's at the track is to drop unnecessary weight, which will improve your Mustang's power-to-weight ratio. Deleting your rear seats is like adding free horsepower, just by simply reducing weight.

Two Seater Appeal. The Mustang Rear Seat Delete Kit for your 1994-2004 SN95 or New Edge convertible replaces your factory rear seats with a sleek, premium black carpeted finish. Tired of friends bumming rides? Now you have a real excuse! Cruise in style with the companion of your choice.

Quality Construction. The lower panel of this Rear Seat Delete is made from 3/16" thick black ABS plastic to absorb heavy weight and is finished off with a 1/8" thick upper panel. The kit is designed to easily support up to 50 lbs of weight without sagging or putting stress on the panel. Whether it be a bottle of nitrous, stereo speakers or taking your pup for a cruise, this rear seat delete won't break or crack under pressure.

Adds Storage. This Rear Seat Delete Kit creates a hidden storage space under the seat area, where you can easily keep aftermarket stereo equipment or valuables. This gives you some additional cargo space and can help keep things from moving around while cruising.

Bolt-In Install. Complete with detailed instructions, this Rear Seat Delete is a simple bolt-in that does not require you to remove factory seat brackets or seat belts. If you have a roll-cage, the delete kit can be easily modified to fit.

Application. This black carpeted Rear Seat Delete Kit is designed to fit all 1994-2004 Mustang Convertibles, including the V6, GT, Bullitt, Mach 1 and Cobra models. Not compatible with coupes.

Fitment: 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

What's in the Box
  • (1) 2-piece Rear Seat Delete
  • (4) Retainers
  • (2) Caps
  • Detailed Instructions
Installation Info
Tech Specs
Will it fit my Mustang?
  • Cobra - 94, 95, 96, 97, 98, 99, 01, 03, 04
  • GT - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04
  • V6 - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04
  • Bullitt - 01
  • Mach 1 - 03, 04

Fits Convertibles Only

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2 Questions / 2 Answers

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Thinking of buying this to make riding in the convertible more comfortable for my litte Chihuahua. Would ~25lbs (Dog and all) cause any warping to the kit?


  • The SpeedForm Rear Seat Delete is not designed to handle any weighted loads. This is designed as an appearance piece to replace the rear seat and not leave an opening. It would not be recommended to install this due to possible damage to the product and injury to your dog if the piece breaks.

    Rob D

Helpful (0)

Morgan is a 65 pound, 11 year old Lab that enjoys riding in the convertible. I am considering the rear seat delete in order to make her more comfortable while providing more room. The question is; will this kit provide the needed stability and support for Morgan? Any suggestions you might offer are appreciated.


  • The Rear Seat Delete is only 3/16" thick, and 65lbs will cause the panels to bend. With perhaps some supporting metal beams on the underside, it could be capable of holding Morgan, however, I would not consider doing so without any reinforcement.


Helpful (0)

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Customer Reviews (1) Write a Review

Overall Rating 3.0

out of 5 stars

Installation Time:Afternoon

  • Fit 4 4
  • Appearance 5 5
  • Bang For Your Buck 3 3

  • 3/5

    Installation Time: Afternoon

    August 29, 2015

    Looks great, not as easy as it looks

    Installing is pretty straightforward but not a walk in the park. The removal of the seats and installation of the product is easy. It's the removal of the seat belts that are a royal pain, instructions cover it but the process sucks. I installed the kit an hour after driving on a hot day. It's best to wait overnight. The bolts that secure the seat belts to the floor pan were still super hot to the touch when I went to remove them which required more effort. So let the car cool. Also, the plastic piece that holds the seat belt to the top half of the rear seat bracket requires a nice forceful push towards the rear to remove. One more thing, expect to either cut the well liner for your convertible to remove the seat belt assembly from inside the car or remove the trunk panels to get to the seat belt assembly and remove it that way. It's a 2-3 hour job total if you take your time.


    Year: 1997 Submodel: GT FAIRFIELD, CA

    Helpful (3)

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