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SpeedForm GT500 Style Rear Spoiler; Unpainted (05-09 All)

Item 13250-00
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      Review & Installation Video

      Want to enhance the look of your ride? How about replacing your stock spoiler with one of our pre-painted GT500 rear spoilers, for 2005-2009 Mustangs. Our GT500 pre painted rear spoiler is designed to give you that sleek look of a Shelby Cobra, and is a perfect complement to the streamlined look of the S197 Mustangs. The GT500 rear spoiler is definitely built to last, made from an ABS material; it’s lightweight and extremely durable. Like all of our pre painted parts, the GT500 rear spoiler is available in all factory OEM colors, and is painted right here at, in our state of the art paint booth. We take great care to make sure you get the perfect paint match for your Mustang. And, because we paint these right here at, they’re always in stock and ship the same day as you order. When you receive your GT500 rear spoiler, you’ll find that it’s securely packaged in the box with all accessories needed for installation. The included accessories are threaded bolts, alcohol prep pads, foam tabs, and installation instructions. Installation is pretty painless, you may have to remove some tape residue from the stock spoiler, but other than that, it’s a smooth process that will make your Mustang stand out from the crowd.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Shelby GT500 Styling
      • Durable, Lightweight ABS Construction
      • Mounting Hardware Included
      • Fits All 2005-2009 Mustangs


      Painted Mustang Rear Spoiler 

      Shelby GT500 Styling.
      Add the sleek aerodynamic appearance of the Shelby GT500 to your Pony with a SpeedForm GT500 Style Rear Spoiler from AmericanMuscle. The GT500 Style Spoiler complements the streamlined profile of the S197 Mustangs perfectly. This Mustang GT500 rear spoiler comes unpainted so you can customize it however you like - it is also available pre-painted in factory colors.

      Quality Construction.
      Manufactured from acrylonitrile butadiene styrene (ABS) material for it's light-weight and superior durability, this rear wing spoiler is made to last.

      Hard Mounts.
      Using a combination of threaded bolts and 3M acrylic automotive bonding tape this SpeedForm GT500 Spoiler is designed to mount securely to the rear deck lid of your Mustang for a perfect OEM fit.
      Application. This SpeedForm GT500 Style Spoiler the 2005 to 2009 S197 Ford Mustangs, including the V6, GT, Bullitt, and Shelby GT500 models.

      Technical Note. AmericanMuscle recommends professional installation of all body parts, we also recommended test fitting these products before they are painted as drilling is required for installation of this rear wing spoiler.

      Technical Notes. AmericanMuscle recommends professional installation of all body parts, we also recommended test fitting these products before they are painted as drilling is required for installation of this rear wing spoiler.


      Fitment: 2005 2006 2007 2008 2009

      MPN# 13250-00

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (100+)

      Write a Review

      Ratings Summary

      4.9 out of 5 overall rating from 100+ customers

      Installation Time: Afternoon

      Installation Cost: 0-$100

      • March 13, 2020

        5 2005 V6 - LSHUGH Installation Time: Afternoon

        Rear Spoiler

        Adding the GT 500 Spoiler to my 2005 V6 sure gave my Stang a lot better look.

        Helpful (0)
      • January 20, 2020

        Review shared from SpeedForm GT500 Style Rear Spoiler; Pre-Painted (05-09 All)

        5 2005 GT - BillyJack Installation Time: Less than 1 Hour

        Nice Quality

        The rear spoiler is very nice quality. The paint job was perfect. I opted to drill the extra 2 holes on the ends of the spoiler to hold it down better. I had seen some reviews saying that the ends lifted up, and they hadn't used the extra bolts. Directions say "optional" but definitely do it! I could see the wing pull down to the trunk as I was tightening. It would have liftted for sure. The drilling was easy. Used the materials given to mark the holes and they lined up perfect. Put blue painters tape on the spots first, then drilled a pilot hole and then the 1/4" hole for the bolt. the tape helps keep the paint from chipping as you drill. Then I used some touch up primer, then touch up paint after I was done drilling. You will need to drill a 1/2" hole on the underside of the trunk since there is two layers of sheet metal. That way you can get the bolt in place. Took a little over an hour by myself. Looks factory.

        Helpful (0)
      • January 08, 2020

        Review shared from SpeedForm GT500 Style Rear Spoiler; Pre-Painted (05-09 All)

        5 2014 GT - MomLovedIt Installation Time: Less than 1 Hour

        Perfect Look

        Got this spoiler and love it. Matched perfectly. Sold the car to my brother and he now loves this too. His kid wants the old one but I told him to keep this one on.

        Helpful (0)
      • October 22, 2019

        Review shared from SpeedForm GT500 Style Rear Spoiler; Pre-Painted (05-09 All)

        5 2006 GT - DonnaP Installation Time: Shop Install Installation Cost: 0-$100

        Rear Spoiler

        Had this installed professionally and it looks great! I bought It pre-painted and it matched perfectly. Very happy with this purchase.

        Helpful (0)
      • August 16, 2019

        Review shared from SpeedForm GT500 Style Rear Spoiler; Pre-Painted (05-09 All)

        4 2007 GT - Mario

        spoiler looks great but no hardware included

        Spoiler came in just time. Paint looks great on and it was packaged well. I was planning on putting it on saturday , but I couldn't find any of the hardware that was suppose to come with spoiler as shown in the product photo. Guess I just gotta go to a hardware. Just an inconvenience for me as a customer but as long as you send the product thats all that matters right?

        Helpful (0)
      • July 09, 2019

        Review shared from SpeedForm GT500 Style Rear Spoiler; Pre-Painted (05-09 All)

        5 2008 GT - RobertB Installation Time: Afternoon

        Looks great However

        Spoiler came perfect and had everything I needed. When you go to install it it’s better to have 2 people vs just yourself. It will go way easier. Overall I love the look, it’s not crazy but it gives the car a different look that looks good

        Helpful (0)
      • June 07, 2019

        5 2006 GT - MikeM Installation Time: Less than 1 Hour

        Speedform GT 500 spoiler install.

        Spoiler was nicely primed and had no flaws. Just a light sanding and it was ready to paint. My GT is a spoiler delete model and had no holes in the lid. Used the hole locating tabs supplied after watching the website video. Recommend drilling the optional outer holes which pull the ends down tight against the lid. Fit is perfect, it looks great and is well made. Exactly the look I wanted.

        Helpful (0)
      • April 19, 2019

        Review shared from SpeedForm Pre-Painted GT500 Spoiler - Performance White (05-09 All)

        5 - DaveC

        GT 500 spoiler

        Looks a lot better than the pedestal style. I love the look

        Helpful (0)
      • April 12, 2019

        Review shared from SpeedForm Pre-Painted GT500 Spoiler - Alloy (05-09 All)

        5 - DustinB

        Gt 500 spoiler

        Perfect fit nice paint job on it the only thing I wish they added was goo be gone to remove the adhesive then it would be the perfect kit

        Helpful (0)
      • April 09, 2019

        Review shared from SpeedForm GT500 Style Rear Spoiler; Pre-Painted (05-09 All)

        5 2007 GT - DustinB Installation Time: Less than 1 Hour

        Gt 500 spoiler

        Love the spoiler fit great and color was perfect match

        Helpful (1)

      Questions & Answers (20 answers)

      5 Top Rated Questions

      My son has an 08 Mustang V6 that has the factory wing spoiler. After reading a few of the answers on here. So, if this car came with a stock spoiler this Speedform GT500 spoiler will fit the pre existing four hole that are already there? without drilling new ones?

      • You will be needing to drill 4 new holes as the holes will not line up with the factory spoiler. A template will be included to assists with drilling.

      Helpful (1)

      You had this spoiler in Sonic Blue. I just went on to purchase it and I cannot select it. Are you no longer offering it? If so, why?

      I have a 2008 GT with the factory spoiler. Can you please confirm that this uses the factory holes? I don't wish to drill any holes. Thanks

      • Drilling will be required for the installation of this spoiler.

      Helpful (0)

      I have an 06 Mustang with no spoiler. All I would have to do is drill four holes and install this?

      • Yes, you would simply drill the necessary holes into the trunk and install as normal.

      Helpful (0)

      2005 GT with the factory spoiler. Does the SpeedForm GT500 Spoiler require new holes to be drilled in trunk lid. The existing answers contradict themselves several times.

      • This would require drilling yes.

      Helpful (0)
      10 More Questions
      Do you have to paint the unpainted spoiler or can you Install it the color as it is? Also is it the same flat black as the unpainted louvers that you sale? 1 answer
      What size screws are used? 1 answer
      Just read two conflicting answers on you Question section on this part. Most answers say new holes must be drilled if you have a stock spoiler. Near the bottom of the section, another answer states this WILL fit the stock mounting holes. Which is correct??? 1 answer
      My 07 does not have a spoiler. It was a base model so I’m wondering do instructions come with it to show where to drill holes 1 answer
      Will the screws fit the 4 holes that the wing has been using? Sorry, just wanted to be specific about the holes. 1 answer
      How is this spoiler attached? Does it use 4 screws or just tape? My 2006 GT has 4 holes pre-drilled in the inner trunk lid with tape covering them. 1 answer
      I previously bought this product but uninstalled to do some work, I lost the screws unfortunately, I would like to know what size are they 1 answer
      What is the overall height of this spoiler above the beck lid surface? 1 answer
      does this part require drilling if car came with stock spoiler? 1 answer
      2007 Mustang GT Shelby My Mustang presently DOES NOT have Spoiler. I would like to order the GT500 Prepainted Spoiler. Can I get it White with Silver Stripes, to match my car ? Or do I have to have the stripes done Professionally ? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Deck Spoiler
      • (4) Foam Inserts
      • (1) AmericanMuscle Instructions
        Hardware included:
      • (4) Screws
      • (4) Washers

      Tech Specs