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Ford Performance Cobra Jet Intake Manifold (11-14 GT; 15-18 GT w/ Manual Transmission)

Item 50430
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    Features, Videos & Details

    • Original Equipment on the Naturally Aspirated 2013 Cobra Jet Race Car
    • Runners Tuned for 7750 Rpm Peak Power
    • Made from Light-Weight Composite Material
    • Total Intake Volume 635 Cubic Inches
    • Black Finish with a Ford Performance Badge
    • Fits 2011-2014 GT and BOSS 302 Mustangs
    • Fits 2015-2018 GT Mustangs with a Manual Transmission

    Review & Installation Video

    Hey everybody, I'm Justin with, and welcome to my detailed review on the Ford Performance Cobra Jet Intake Manifold, fitting your 2011 through 2014 GT and Boss Mustang. So this review's gonna cover my thoughts on the Cobra Jet Intake Manifold as an owner. We'll talk about some of the benefits you can expect when bolting everything up. And then finally, we'll cover some of the meat and potatoes of the installation. And as you might imagine, there are a few steps involved when getting this bad boy in place, but nevertheless, it's still not that bad. So I'm going two out of three wrenches on the difficulty meter. And we will have some more detail for you later on.Now, the Cobra Jet Manifold that we have in this video is going to be a great choice for both Boss and GT owners out there looking to maximize their naturally aspirated performance or even your forced induction performance by using an extremely free-flowing manifold like this option here from Ford Performance. Now this thing will effectively raise your peak power in the upper RPM range, but without taking a huge hit to your low-end torque like some other manifold options on the site. Perspective buyers will want to keep in mind the fact that you will need to change out your throttle body in addition to your intake, along with factoring in some custom tuning. The Cobra Jet Manifold is obviously a product that's near and dear to my heart, as I have had this thing installed on my personal GT for a couple of years now. And I absolutely love it. I have no complaints whatsoever. Totally transformed the way the car behaved, and for the better. Now I've always thought of this thing as the perfect compliment to the full array of bolt-ons, of course. But even for owners out there who might wanna maybe do long tubes but don't wanna mess with the emissions or cats, or maybe are afraid of long tubes from an installation standpoint, this is a good alternative. It's gonna cost you roughly the same amount, but at the same time the install's gonna be a lot easier and deliver similar gains.So let's talk about this manifold a little bit more. Now this thing was developed for the 2013 Cobra Jet drag car, the naturally aspirated version, for maximum horsepower in the upper RPM range, right? Makes sense. That's where drag cars typically operate. Now if you look at this thing at first, and if you're like me and thinking old school muscle car or dragster, you're thinking tunnel ram intake, right? Because it looks very similar. In fact, if we had a tunnel ram on the table, they'd look very identical. Long straight runners here, and they're both designed for similar goals, delivering that high horsepower in the upper RPM range.So what does that mean for you guys watching at home? Well, if you're looking to bolt this thing up to your Coyote Power GT or your Boss 302 and lug around town between 2,000 RPM and 5,000 RPM expecting to feel a big difference, you're gonna be really disappointed because that's really not what this thing is all about. Instead you have to ring this sucker out to the moon to really feel a difference. Ford Performance designed this thing to make peak power at 7,750 RPM, and the dyno graph I got for my car really reflects that. Now the factory manifold tends to run out of breath right around 5,000 RPM, where this sucker just kept on climbing all the way to my 7,900 RPM rev limiter.So now that you know a little bit more about what the CJ manifold is all about, let's talk about some of the finer details with this thing. It's made from a lightweight composite material, features 635 cubic inches of volume, and has been pressure tested to support 20 plus pounds of boost. And that leads me to my next point. I talked a lot about some of the naturally aspirated benefits when bolting this thing up, well, there's a lotta guys out there running centrifugal blowers or turbo applications who have used this manifold as well with really, really good results. And

    More Air for More Power. Your 5.0L coyote V8's stock manifold is designed to perform well at the low end, but it chokes off airflow at the top. When you want peak power, this Ford Performance Cobra Jet Intake Manifold is designed to channel more air directly into your engine with runners tuned for 7750 rpm peak power with no loss of torque.

    Premium Quality. Made of a high tech, lightweight composite, this manifold will help your pony breathe better while improving underhood appearance with its modern "Ford Performance" logo.

    Legendary Ford Performance Quality. When you're adding parts to your pony, trust the folks who know it best to untap hidden potential and unleash the monster under your hood. This intake manifold is featured as original equipment on the naturally aspirated version of the 2013-2014 Cobra Jet Mustang Race Car.

    Calibration Required. To realize the full power potential that this Cobra Jet Intake Manifold has to offer, AmericanMuscle recommends a custom tune with a Mustang Handheld Tuner to reprogram the vehicles computer (ECU) for proper operation.

    Required Throttle Body Upgrade.
    Installation of this Ford Performance Cobra Jet Intake Manifold requires either a GT500 Throttle Body or a Cobra Jet Throttle Body - p/n M-9926-CJ65 or M-9926-SCJ. Requires the Cobra Jet 5.0L Cold Air Intake Kit, p/n M-9603-M50CJ, to mate to the oval throttle body.

    Required GT Upgrade. Installation of the Cobra Jet Intake Manifold on your GT requires the Boss Intake Manifold Install Kit. Please note the inlet hose in this kit will not be used.

    Recommended Upgrade. To take full advantage of the higher RPM capabilities of this Cobra Jet Intake Manifold, AmericanMuscle recommends the use of a 5.0L TI-VCT High RPM Competition Pulse Ring (p/n M-12A227-CJ13) from Ford Performance.

    2011-2014 Automatic Transmission Note. Ford Performance states this Cobra Jet Intake Manifold is designed to be used on manual transmission equipped 2011-2014 Mustangs because the Cobra Jet Inlet Tube doesn't have provisions for aspirator tube hook up found on automatic transmission equipped Mustangs. Automatic transmission equipped Mustangs need an additional fitting in order for the Cobra Jet Intake Manifold to work with an Automatic Transmission. The JLT Performance Cobra Jet Intake Cold Air Intake, part# CAI-FMGCJ-11, includes solid billet aluminum fittings plus instructions to drill a 1/2-inch hole in the Inlet Tube.

    Modifications May Be Required. In order to fit this Cobra Jet Intake Manifold on a 2015+ Mustang, modifications will be required for proper installation. The modifications that is needed, but not limited to, is hood clearance (modification to the factory hood) or the use of an aftermarket hood, plus lower engine mounts.

    The Ford Performance Cobra Jet Intake Manifold is designed to fit the 2011-2014 GT and 2012-2013 BOSS Mustangs as well as the 2015-2018 GT Mustangs with a Manual Transmission.

    Please Note. The Cobra Jet Intake Manifold is not legal for use in California or other states adopting California emission standards.

    Technical Notes.

    • A new Computer Tune is required for installation.
    • Stock fuel rails can be reused for this application.
    • Nitrous oxide is not recommended for use with this manifold.
    • Stock and aftermarket strut tower braces designed to clear factory GT or BOSS manifolds will not fit.

    Fitment: 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Details

    MPN# M-9424-M50CJA

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Cobra Jet Intake Manifold
    • O-ring intake gaskets
    • (4) Aluminum Fuel Rail Spacers
    • (10) Bolts
    • (11) Screws
    • (2) Fittings
    • (1) Jumper Harness
    Installation Info
    Tech Specs
    Will it fit my Mustang?

      Customer Photos (55) Submit Your Photo

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        Questions & Answers (92)

        5 Top Rated Questions

        Is this only for manual transmission just like the boss intake?

        • The Ford Performance Cobra Jet Intake Manifold is applicable with automatic and manual transmissions.

        Helpful (20)

        What do the hp/tq numbers look like ? Ive been looking on getting the Boss 302 IM but decided to wait to see what this was all about. will this work with the steeda cai?

        • Ford Racing (Jesse Kershaw) said that it makes 25 more hp than the Boss intake with no further torque loss. It could work with the MAF and filter from the Steeda but you will need to fab an oval inlet. The CJ racecar uses a 123mm FRPP MAF and that would be optimal with the intake and mono blade TB.

        Helpful (14)

        Well this fit an automatic as it says "w/manual transmission "

        • The Ford Performance Cobra Jet Intake Manifold will only fit the 15'-18' Mustang GT equipped with a manual transmission.

        Helpful (10)

        This is a definite future mod for me. But right now I'm looking at tower braces Is there a tower brace that will clear this?

        • The Boss 302 tower brace will fit with this setup.

        Helpful (9)

        Covers? Will the Boss 302 side covers work with this intake, or are there an covers designed like the Boss 302 intake covers for this intake?

        • Yes those side covers will work perfectly with this manifold

        Helpful (4)
        10 More Questions
        Hood Clearance I have the mamba II carbon fiber hood, is there any hood clearance issues with this upgrade? Also, are there any front strut kits that will work with this manifold? 1 answer
        Why won't this work on a 2015-2019 Auto? 1 answer
        Is there anything else I would need to buy besides cold air intake and throttle body to install this manifold 1 answer
        Will this product work without a tune? I mean driving from my house to the dyno shop to get a tune? 1 answer
        For a first time mod on my 5.0 L GT which intake manifold would you recommend the Cobra Jet or the Boss 302? And Why? They seem very similar. 1 answer
        Do you think there would be any hood clearance issues? I have an 04 GT with the Coyote swap. i like to keep my appearance as a GT and i don't want to have to buy a new hood and have it painted either. 1 answer
        Having Cobra jet intake throttle body cold air system installed, can you tell me just how much clearance I will have between hood and intake. 1 answer
        Does bama currently offer tunes for the Cobra jet intake manifold? I picked up the cobra jet manifold a few months back but havent had the time to install it, I was just wondering if bama can write tunes for these. 1 answer
        Can it handle forced injection? I am between this and the boss manifold, if I did this I would do the twin 65mm TB and JLT CAI, could this set up handle a twin turbo or would I be better off with the boss manifold? 1 answer
        what's the advantage over the boss intake 2 answers

          Customer Reviews (35) Write a Review

          Overall Rating 4.7

          out of 5 stars

          Installation Time:Afternoon

          Installation Cost:$100-$250

          • Performance Gain 4.71875 4.7
          • Fit 4.9375 4.9

          • 5/5

            Installation Time: Afternoon

            November 13, 2019


            Took a little rerouting but it’s awesome. Be prepared to wire the harness, and also remember once you install this. The further parts. Like cold air intake will Be gt 500.


            Year: 2014 Submodel: GT500

            Helpful (0)

          • 5/5

            November 21, 2018

            Great Gains!

            Can't complain. Picked up some good up top power with the custom dyno tune


            Year: 2014 Submodel: GT

            Helpful (6)

          • 5/5

            Installation Time: Afternoon

            August 27, 2018


            Installed the CJ Manifold, with JLT INTAKE, and FR 65mm twin throttle body and 47lbs injectors and it made a huge difference in power. Power you can feel throughout each gear, and redlining at 8000.


            Year: 2017 Submodel: GT

            Helpful (21)

          • 5/5

            Installation Time: Afternoon

            July 03, 2018

            the CJ

            This intake is just stupid fast, it doesn't stop pulling in every gear. if youre having any sort of doubts about buying this, don't.


            Year: 2013 Submodel: GT

            Helpful (16)

          • 5/5

            Installation Time: Afternoon

            March 12, 2018

            2015 mustang gt

            The manifold fit perfectly only issue was the hood, it rubs a little on the manifold other than that it’s awesomeness


            Year: 2014 Submodel: GT

            Helpful (20)

          • 4/5

            Installation Time: Afternoon

            December 09, 2017

            Would be 5 stars if...

            Bama wasn't so terrible. I get my tunes and the RPM rev limiter is still 7000. Why? It is things like this(not paying ANY close attention to detail) make me tell people to stay far away from these stooges they call tuners. The Mani went on like a dream, the instructions aren't super clear, but the install is easy enough to get through. Even with a 7k redline it pulls HARD! I juiced up the redline to 7600 for now, and i can only imagine how well it will pull when I get the pulse ring on and push it to 7900! What a great mod for these cars, really wakes it up in the 5-8k rpm range.


            Year: 2011 Submodel: GT

            Helpful (20)

          • 4/5

            Installation Time: Afternoon

            October 20, 2017

            Its okay...

            If you use this intake manifold as a daily driver you will not be happy. Even with long tube headers and 3:73 gears I loss about 25 ft lbs of torque below 4k RPM. It feels like my car is stock below 4k RPM. Once above it starts to scream and will continue to push you back in your seat till your desired shift. Don't read this wrong! Even in first and second gear the car will still roast the the stock 245/45R19 tires. If your driving normal you will feel the torque loss. But if your racing and keep the engine revved up this intake manifold is a beast.


            Year: 2011 Submodel: GT

            Helpful (37)

          • 5/5

            Installation Time: Afternoon

            October 19, 2017

            Great intake manifold

            Really great intake manifold. Replaced my gt350 intake manifold with this cobra jet. Really see and feel the power difference


            Year: 2016 Submodel: GT

            Helpful (25)

          • 5/5

            Installation Time: Afternoon

            October 15, 2017

            Loads of Air

            Nice piece to add if your going max effort naturally aspirated and will keep building on it like cams and full exhaust and so on. I love opening the hood and seeing a different setup from most. It breaths and made the exhaust louder. It all depends on your goals. If your looking for torque and curve cutter stay stock manifold, small easy upgrade go Boss to increase RPM and some power. Cobra Jet for drag, highway racer and max effort builds. AM has delivered all parts I’ve ordered really fast and customer service is great.


            Year: 2013 Submodel: GT

            Helpful (21)

          • 5/5

            Installation Time: Less than 1 Hour

            August 31, 2017

            Cj intake

            Took about 20 minutes 5 installing it 15 looking at it


            Year: 2015 Submodel: GT

            Helpful (20)

          • 5/5

            Installation Time: Afternoon

            July 05, 2017

            Cobra Jet Manifold

            My first thought was it's expensive but once I opened the box I new it was worth every penny. Fit and finish is absolutely perfect. This was a very simple mod to do and it woke up my 13 GT my car is a beast. I pared this with the Ford Performance Twin 65mm Cobra Jet Throttle Body. The performance gains are something that can be felt. Where my stock manifold would fall of about 5000 rpm this baby starts to come alive. Don't hesitate buy it!


            Year: 2013 Submodel: GT

            Helpful (15)

          • 5/5

            Installation Time: Weekend

            June 20, 2017

            Great Intake Manifold

            Installed along with the Ford Racing CJ CAI and throttle body. Easy install for those that are mechanically inclined. Looks great. Performance gain was amazing. Clean looking, but definitely grabs some attention when you open the hood. Only complaint was one missing mounting bolt, so I pulled it from my OEM intake manifold. Also, not sure if this is a Boss 302 specific problem, but the gray driver's side fuel EVAP line was too long. Only one mounting screw would fit, so I just bought a new EVAP line, and cut exactly 1" off so it would mount correctly. Minor detail but cheap and easy; would've driven me crazy if I left it wrong!


            Year: 2013 Submodel: Boss

            Helpful (15)

          • 4/5

            Installation Time: Less than 1 Hour

            May 16, 2017

            Good purchase

            Previously had a ported Boss but swapped to the CJ. I can tell a performance difference. Also when I datalog, top of 3rd with the Boss I would be around 124-125mph. With the CJ it's at 132-133mph. And that's with it removing timing. Still trying to figure out what's causing the false knock. Can't wait to see how it feels when it's back to adding timing. I have the VMP TB and AED for tuning. The drivability hasn't been the best but I was told this is how it will be. The TB's are hard to tune. Almost to the point I would rather have the Boss back on. Might have to get a dyno tune. Cake to install just like the Boss though you assemble a few things on the CJ. Swapped them out in 30 mins. If you never have swapped intakes before, maybe 2 hours.


            Year: 2014 Submodel: GT

            Helpful (16)

          • 5/5

            Installation Time: Afternoon

            April 27, 2017

            Blows your pants off

            I was hesitant to swap out my intake manifold especially when this baby cost a decent dollar. I finally made the decision and went with the CJ intake as well as the monoblade TB and CJ CAI to follow it all up. Oh boy did i make the right decision. Got an amazing tune from Jon Lund and im putting down about 450 to the wheels and 398 ft/lbs of torque too at the max of my curves. Long tube headers are definitely a must to allow your monster to breathe and get the most out of her. Hands down best NA part to smack on your baby if youre thinking about it. A boys


            Year: 2014 Submodel: GT

            Helpful (17)

          • 5/5

            Installation Time: Afternoon

            April 14, 2017

            A must

            This intake w the frpp 65mm twin throttle body and jlt cai. Car feels like it should now. 1st gear in my 6r80 is now useless w 305 nitto g2'so on the street!!


            Year: 2014 Submodel: GT

            Helpful (14)

          • 2/5

            February 28, 2017

            Quality of finish not the greatest

            Expected more for almost $900 seems like quality control is non existent at ford. Has lots of flaws expected better...


            Year: 1999 Submodel: GT

            Helpful (16)

          • 5/5

            Installation Time: Full Day

            January 17, 2017

            DO NOT HESITATE!!

            I was very indecisive about buying this for my 2012 GT but decided why not . It is hands down one of the best upgrades you can possibly do to you're mustang. The power gains are immediately noticeable and the sound difference makes it so much more throaty and the crackles and pops are off the charts. Do not wait to buy this upgrade just do it.


            Year: 2012 Submodel: GT

            Helpful (21)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $250-$500

            December 10, 2016

            CJ best way to go

            I was undecided on staying with stock manifold boss or CJ but I went with my 1st mind and man I couldn't be any happier best decision I ever made


            Year: 2014 Submodel: GT

            Helpful (16)

          • 5/5

            August 10, 2016

            You get what you pay for!

            Not only did this arrive extremely quick from Ford Racing, but the quality on this piece is like no other. I have not installed this yet with the throttle body, but the installation for the manifold was fairly easy! I would recommend this manifold to anyone looking for a high quality unit!


            Year: 2012 Submodel: GT

            Helpful (18)

          • 5/5

            August 03, 2016

            This thing is Baaaaddd

            Did the entire Cobra Jet build and am very satisfied with the power gain. Of course having the Ford Racing brand under your hood looks very much like it belongs.


            Year: 2014 Submodel: GT

            Helpful (16)

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