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1999-2004 Mustang Rear Styling Guide

Written By: Stanley Sadowski

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When it comes to styling the rear of your Mustang the options are almost endless. Virtually any look you are going for can be achieved by modifying a few key components.

The Parts of Your Mustang's Rear

When looking at the tail end of a Mustang, there are plenty of parts you can change. You can change the entire appearance or just add a decal if you prefer. The first step to giving the back of your Mustang an overhaul would be to pick a particular area you would like to change first and go from there.

  • Spoilers and wings
  • Vinyl
  • Rear bumpers
  • Rear bumper "Mustang" inserts
  • Taillights
  • Fuel door

Spoilers and Wings

Depending on your Mustang's year, the mounting holes for the spoiler are different. The 99-00 Mustangs had wings that mounted at the edge of the trunk lid where as the 01-04 had a pedestal style wing that mounted closer to the center of the trunk. If you don't want to drill new holes in the trunk then it's best to stick with a style that will match up to your year Mustang.

You are not limited when it comes to picking a new wing. The two different OE styles are available as well as other variations that were offered for different model Mustangs such as the Cobra R, Roush Stage 3, SVT Cobra, and the Saleen. If you’re looking for more of a unique look, then Steeda has an option for you with a functional race wing that can be complimented by Steeda’s billet winglets.

Black GT Spoiler on a 1999-2004 Mustang

Vinyl/Honeycomb Panels 

When you want to change the appearance of the trunk lid itself there are options here as well. You can choose a honeycomb textured insert that comes in three pieces and installs very easily. The honeycomb panel resembles the classic Mach 1 trunk and gives your Mustang that aggressive edge. If you’re looking for another option other than the honeycomb trunk panel, there are vinyl decals available as well. They are made from high quality, premium cast vinyl and are built to last. These are more affordable and come in black with a matte or gloss finish as well as white.

1999-2004 Mustang with Honeycomb Decklid Panel

Rear Bumpers, Bumpers Inserts, and Lower Vinyls

The rear bumper is a sure fire way to set your Mustang apart from the rest. There are different rear bumpers associated with the different models of Mustangs. Roush uses valences that attach to both sides of the rear bumper while Saleen, Cobra R, Cervini’s, the V6, and GT model replacements are the entire bumper cover.

There is a rear bumper out there for the look you desire, but make sure it's for the appropriate models. For example, a V6 has a single exhaust tip so buying a bumper with cutouts for two exhaust tips may look a bit out of place.

To go along with the bumper you choose, you also have the option of adding either stainless steel or vinyl “Mustang” letter inserts. Stainless steel comes in a natural finish, chrome or black. The vinyl stickers are more affordable and are available in silver, white, white reflective, black, carbon fiber, black reflective, chrome, and red. On the GT rear bumper there are decals for the lower valance and they come in matte black, gloss black, and white. This will give your Mustang a look that not everyone has.

1999-2004 Mustang with Red Bumper Insert Letters

Taillights and Bezels

To go along with the headlights you picked out, there are also four different styles of tail lights available. The factory replacements are offered as well as a smoked lens version. There are also solid LED taillights and can be picked up in either red on black.

LEDs: There is an LED model that doesn’t get rid of the original tri-bar look of the taillights and is available in a black or chrome housing. And last but not least there are euro taillights with a black or chrome option as well. To achieve a more uniform look it is best to select a taillight that will compliment your headlights.

After you have selected a tail light style there are a few things you can add to them. You can go with a sequential tail light kit that is offered as a plug-in kit and a splice-in kit. This kit allows each section of the taillight to illuminate in a sequence when braking or using a turn signal. This style of lighting was used on the classic mustangs in the late 60s.

Lastly, there are also bezels available that go around the edges of the taillight itself. They come in chrome and matte black to give the rear end of your Mustang the finishing touch.

1999-2004 Mustang Pre-Painted Tail Light Trim

Third Brake Light 

There are even a couple options when it comes to modifying the third brake light. You can replace the entire unit and pick up an LED third brake light which is available in a chrome housing or a black housing. Classic Designs offers a third brake light that gets mounted at the top of the rear window if you want to be unique.

If you're just looking to change the look of your current brake light then there are decals available for that as well. There is a vinyl that smokes the whole lens, and there are two decals with “SN95” or “Mustang” cut out in them so when you press the brakes the letters will illuminate.

Replacement Mustang Fuel Doors

An aftermarket fuel door is a good way to break up the appearance of your Mustang's rear. You can replace the plain factory fuel door with a Bullitt style fuel door which is smooth or you can opt for one with the “GT” engraving. Fuel doors install very easily and come in chrome, brushed aluminum, and black. 

1999-2004 Mustang with Black MMD Fuel Door
Fitment includes: 1999, 2000, 2001, 2002, 2003, 2004, GT, V6, Cobra, Mach1, Bullitt