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MMD Hood Vent Louvers; Matte Black (05-12 GT, V6)

Item 71334-99
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$174.99 (pair)

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      Review & Installation Video

      Hey I’m Justin with, and I’m checking out an aggressive 2013 inspired part for your early S197, I’m talking about MMD’s hood vent louvers available pre painted, or matte black, fitting all 05-09 Mustangs. Whether you’re looking for an over the top show part for your car or a functional factory inspired part like these hood vents, MMD definitely has you covered, they’re the leader in producing unique styling parts specifically for your late model Mustang. To check out more stuff from MMD including their 2013 GT project car, you have to subscribe to our YouTube channel if you haven’t done so already, simply by clicking on the banner below. When you ask a lot of Mustang fans what they prefer most with the new 13 and 14 Mustangs, of course a lot of people point to the addition of the new cool tail lights, but a lot of people point out the functional hood vents on the 13 and 14 GTs. Raxiom took care of the need with the 05-09 tail lights modelled after the 13-14 tail lights, and now MMD has answered the call with these functional hood vents available for all 05-09 Mustangs. The vents are sold in sets of two and are made from extremely durable automotive grade ABS plastic. As I mentioned at the beginning of this video, you do have the option of picking up these vents in a color matched pre painted version, like the grabber blue vents here, or if you want the vents to stand out a little bit more, you can pick up the matte black version which is currently installed on our 06 GT behind me. You guys should all know the deal by now with our pre painted parts, our in house paint booth uses the same base and clear coat that Ford uses in their factories, making for an excellent color match right out of the box. We do carry about every color available for the 05-09 cars but if you do just want to make sure we have your color available and in stock then go ahead and click the link below to head back to the product page at Besides the awesome appearance upgrade these vents give your factory hood, it should be mentioned that they are actually functional hood vents allowing all that trapped, hot engine bay air to escape, just like on the 13 and 14 GTs. Opening up the package for the first time you will of course find the vents themselves, in addition to the honeycomb inserts, and all the tape, directions, and supplies needed for the installation. As you may have guessed you will need to do some cutting to fit these vents properly into your factory hood, I know cutting into your hood does sound a little scary but we actually installed these vents into our 06 GT project car behind me, and it really wasn’t that bad at all. You will need to get an angle grinder to make the proper cuts but if you take your time, follow the detailed instructions, you should be wrapped up in a couple of hours from start to finish. As always, please do not hesitate to get in touch with our award winning customer service team, whether it’s about the vents themselves, the pre painting process, or about the actual install they’re only an email or a phone call away. So if you really dig the functional styling of the 13 and up GT hood, and want that same aggressive style for your 05-09 Mustang, then be sure to check out MMD’s hood vent louvers, available pre painted or matte black, right here at

      Product Information

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


      • Intimidating 2013 GT Styling
      • Functional Heat Extractors
      • Durable Automotive Grade ABS Material
      • Aggressive Matte Black Finish
      • Cutting is Required for Installation
      • Sold as a Set of Two Vents
      • Fits 2005-2012 GT, V6 and Bullitt Mustangs


      Intimidating 2013 GT Styling. Add the intimidating styling of the 2013 GT to your S197 Mustang with a set of Modern Muscle Design's Matte Black Hood Vent Louvers. These functional MMD Louvers will give your Mustang a much more aggressive appearance and some much sought after attention.

      Functional Heat Extractors. Keep under hood temperatures in check. These MMD Heat Extractor Vents not only look aggressive, but they’ll allow excessive hot air to escape from the engine bay. By improving under hood airflow your engine will run cooler for a boost in performance.

      High Quality Construction. Manufactured from high quality acrylonitrile butadiene styrene (ABS), these MMD Hood Vent Louvers were designed using the original OEM CAD data from Ford to ensure a perfect fit. ABS is an extremely strong material known for its light-weight, superior durability and impact resistance. These Modern Muscle Design Hood Louvers feature a matte black finish for aggressive good looks.

      Cutting Required for Installation. Installation of these MMD Hood Vent Louvers will require cutting two openings in your Mustang's stock hood. For installation on a 2005-2009 Mustang please view these instructions. For installation on a 2010-2012 Mustang please view these instructions.

      Application. This pair of Matte Black Modern Muscle Design Hood Vent Louvers are designed to be a perfect fit on 2005-2012 Mustangs equipped with the stock hood, including the V6, GT, and Bullitt models.

      Application Note. These MMD Hood Vent Louvers will clear most aftermarket strut tower braces, including the SR Performance model. The bottom of the vent louver can be trimmed for extra clearance if needed.

      Technical Note. AmericanMuscle recommends professional installation of all body parts. We also recommend test fitting these products before they are painted.

      Modern Muscle Design

      Fitment: 2005 2006 2007 2008 2009 2010 2011 2012 Details

      MPN# 71334-99

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (46)

      Write a Review

      Ratings Summary

      4.8 out of 5 overall rating from 46 customers

      Installation Time: Full Day

      Installation Cost: $100-$250

      • December 08, 2019

        5 2011 V6 - DeadKevin Installation Time: Afternoon


        '11 V6. Measure! Tape! PROP HOOD UP WHEN CUTTING!!! You'll regret it after you step back from cutting, but you'll feel BOSS after they're in!

        Helpful (0)
      • November 13, 2019

        5 2007 GT - SuperG Installation Time: Shop Install

        The finishing touch!!

        Love these vents - yeah they’re functional but I’m not supercharged and live in the NW so heat’s not really and issue....but they look siiiiick! Shop install ran me close to $500.

        Helpful (0)
      • September 08, 2019

        5 2011 GT - FCiscoSiasD Installation Time: Afternoon


        Well packaged! Vents look good. It will take a good amount of time to install because off measurements and cutting, other than that it done correct they look great

        Helpful (0)
      • July 15, 2019

        5 2008 GT - Astael Installation Time: Shop Install Installation Cost: $250-$500

        MMD Hood Vent Louvers

        These add nothing short of a asupercalifragilisticexpialidocious! look to my 2008 Mustang GT.

        Helpful (0)
      • April 29, 2019

        5 2005 GT - Waldo Installation Time: Shop Install Installation Cost: $250-$500

        Best Upgrade

        Makes the Stang’ look ten times better and definitely should be a mod for yours!

        Helpful (0)
      • March 16, 2019

        5 2006 GT - Zachary Installation Time: Weekend

        Nice and easy

        Perfect addition to my upgrades. Video showed to install with a angle grinder, but I opted to use a jig saw with fine metal blade. Taped off area marked and out line traced the Louvres drilled a 3/8 hole and just followed lines. Doing so allowed me not to have to remove hood or worry about sparks causing in wanted damage. All I did was put a 4x4 block where the hood would latch allowing for easy clearance and done with both side in about an hour. Perfect fit!

        Helpful (0)
      • January 05, 2019

        5 2007 GT - JordanG Installation Time: Afternoon

        Hood Louvers

        They change the whole look of the front end. I love them. It was scary to install them, cutting your hood is never fun. If I did it again I would take it to a body shop.

        Helpful (3)
      • August 14, 2018

        5 2012 GT - WilliamC Installation Time: Afternoon

        MMD Hood Vents on F-150

        Originally purchased for my mustang. Ran into a few issues with delivery so my wife sold the car. I figured that due to the twin turbos, the vents would/should work on my 2013 F-150. Had them installed professionally for about $300.00. Definitely worth not having to sweat screwing it up myself. I chose the matte black and the compliment the tuxedo black and matte Appearance Pkg. hood decal on my FX4. Seem to decrease underhood temps while adding to the looks of the truck. Just washed the truck today in an in-bay automatic car wash and noticed little water intrusion. Overall, happy with the product.

        Helpful (8)
      • June 25, 2018

        4 2006 GT - Beast Installation Time: Afternoon

        Love it

        Came in 2 days looks great had it installed by a body shop. All that hit heat finally gets to escape engine bay

        Helpful (9)
      • June 15, 2018

        4 1998 Cobra - ShaunH Installation Time: Afternoon

        Hood Louvers

        The hood vents are nice, to get heat out of my engine bay now that I have a supercharger in there as long as you don't mind cutting holes in your hood and best of all they work on it Lincoln Town Car

        Helpful (12)

      Questions & Answers (29 answers)

      5 Top Rated Questions

      will rain affect my engine i really want to get these but i don't have a garage so my mustang is outdoors at all time just wondering if rain will do anything because the louvers are cut into the hood.

      • There is no danger of water damage with these hood vents. The water will simply drain between the rocker covers and strut towers. They are also installed far enough up on the hood to avoid the air filter. Hope this helps!

      Helpful (12) Show 1 more answer

      Will this fit my 2008 mustnag v6? What kind of saw to cut hood?

      • No, The MMD Hood Vent Louvers - Matte Black will be fitted only for the fitment of the 05-12 GT, V6 hoods.

      Helpful (10)

      Measurement What's the size of the hood vent?

      • The vents themselves are about 18 5/8" X 4 1/4" while the hole cut in the hood is about 17 1/2" X 3 1/4".

      Helpful (9)

      After I install the vents do I replace the hood liner - assume I’d cut the liner too and keep it but can you confirm?

      • lf keeping a hood liner, it can simply be trimmed to fit the louvers.

      Helpful (0)

      these work with 2012 Roush Stage 3 hood?

      • Yes, this would be compatible with a Roush Stage 3 hood.

      Helpful (0)
      10 More Questions
      I keep my engine bay pretty clean. Will these vents allow it to get dirtier/dustier? 1 answer
      Will these vent louvers work with/interfere with a 2007 with a Whipple supercharger? 1 answer
      I miss placed my templates for cutting the holes, do you have a pdf I can print? 1 answer
      Are these hood vents car wash safe ? 1 answer
      are they plastic? Or what material are they made of 1 answer
      I bought the mat black for my 2006 Mustang. Are they paintable? 1 answer
      I'm worry about water going into my engine compartment 1 answer
      I want to know does this thing can put on my 2014 mustang V6? Because I think there are no many difference. Is there any negative effects? 1 answer
      How much will the temperature drop under the hood on average since the heat will go through the vents 1 answer
      Is it possible to glue them on the hood with M3 emblem glue? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Driver Side Hood Vent
      • (1) Passenger Side Hood Vent
      • (8) Hood Vent Inserts
      • (1) Tape Kit
      • (2) 3M Adhesion Promoter Pads
      • (4) Alcohol Prep Pads

      Tech Specs

      Hood Vent Louvers Specifications. 
      • Automotive Grade ABS Material
      • Matte Black Finish
      • Length: 18.5 in.
      • Width: 4.2 in.
      • Height: 1.8 in.

      Will It Fit My Mustang

      • Boss 302 - 12
      • Bullitt - 08, 09
      • GT - 05, 06, 07, 08, 09, 10, 11, 12
      • V6 - 05, 06, 07, 08, 09, 10, 11, 12

      For installation a 2005-2009 Mustang please view these instructions. For installation on a 2010-2012 Mustang please view these instructions. These Hood Vent Louvers will clear most aftermarket strut tower braces, including the SR Performance model. The bottom of the vent louver can be trimmed for extra clearance if needed.

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