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Magnaflow Street Series Cat-Back Exhaust (12-18 Jeep Wrangler JK 2 Door)

Item J100425
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Market Price $792.22 You Save 12% ($91.14)
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$701.08 (kit)

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    Features, Video & Details

    • Improves Your Jeep’s Torque, Fuel Efficiency and Horsepower
    • Includes a Resonator Assembly, Muffler Assembly, Midpipe Assembly and 3 Clamps
    • Fits 2012-2018 Jeep Wrangler JK 2-Door Models

    Review & Installation Video

    Review & Install Video

    I'm Ryan from, and this is my review and installation of the MagnaFlow Performance Cat-Back Exhaust System, fitting all 2007 and up JKs. There are a few different versions of this system available, one for those of you with the 2007 to 2011 JK, and one of those for you with the 2012 and up. And of course, there's also different systems available for those of you with a two-door and a four-door body style, so make sure you order the right system for your Jeep. Today, we're gonna talk through the installation of this system, which is a very simple one out of three wrench installation. We're also, of course, going to talk about the sound and the tone that you'll get from this system and a few of the other features and the construction.This system is for those of you who wanna change up the sound of your Jeep. Now, if you are just looking to get a different look out of your Jeep, there are axle-back systems that have dual outlets that will do that. If you're looking to make your Jeep more off-road-friendly by getting rid of a lot of the piping and the big factory mufflers so there's less to crush off-road, there are high-clearance systems available as well.This system is almost an exact replica, as far as the piping and where everything sits, as your factory system. However, this is going to sound a lot different from that factory system. This will give you a much lower exhaust note and a lot more exhaust volume, especially at the higher RPM ranges. Now, this system, if you have a 2012 and up JK that has a factory resonator, this comes with a factory-style resonator, although it is designed to flow more free and, of course, produce a little bit more volume. But there are systems out there that will delete this resonator, there are systems out there that will delete the muffler in place of a bullet-style muffler where the factory resonator was, so there are a lot of different options.This system is not going to be quite as loud as those that either delete the factory muffler and have a bullet-style muffler in place of the resonator or even those that have a factory-style muffler with a resonator delete. This is going to be a little bit more quiet than some of those, but you are still going to get that lower exhaust tone. Now, because this system does that have the resonator, the muffler, all of the piping from the cat-back and this is a well-built system made by MagnaFlow, this is going to be more expensive than some of the other systems available for your JK. So if you have the budget for it and this provides the sound you're looking for, this is going to be a really well-built option.This exhaust system is built from stainless steel, which means it's going to hold up against rust and corrosion a lot better than an aluminized steel system would, but that's also where part of the cost comes from. Stainless is a much more expensive material, so this system is going to be more expensive than some of the others available. This is made from 16-gauge stainless steel that is 2.5 inches in diameter, and all of the tubing is mandrel-bent, which means there's a piece that goes on the inside of the tubing and on the outside, where all of the bends take place, to help keep the tubing from collapsing, which can cause a choke point. With the system wide open like this, it will provide a much better flow out the back of your Jeep and not cause any back pressure, which can hurt performance.The tip on this system is 3.5 inches, so it's a little bit bigger than the rest of the piping, giving a nice look out the back of your Jeep. As I said before, this is a single outlet exhaust, which is very similar to the factory style, as opposed to some of the other aftermarket systems that are available, which will be a dual outlet muffler, which will even further change the look out the back of your Jeep. The 2012 and up JK models will, as we said before, come with this factory-style resonator and the muffler and all of the piping with the tip welded in place all ready to install and ready to go, where the earlier JKs that didn't have the factory resonator will not come with one.Installation for this system is a very simple one out of three wrenches because it is designed to use all of the factory hangers and install in the Jeep very, very simply. The first step is, of course, removing your factory system, and that's the only place that you can add a little bit of time to your install. Exhaust systems do like to get rusty, so I definitely recommend spraying all of the clamps and the hangers well ahead of time with a good penetrating oil to help speed up this assembly. You can start from the back, removing the clamps and then removing all of the hangers from the rubber hangers on the Jeep, getting all of the factory system unbolted and removed all the way up to the cat.From there, you'll go ahead and install first this resonator pipe by hanging it on the factory hanger and sliding it over your factory piping using the clamps that are included with this setup. Then you can install the over axle pipe and finally the muffler. Again, everything goes right in its factory spot using the new clamps that are included, making this install very, very simple. To get this done, you will probably wanna raise the Jeep up a little bit to make it easier to get under underneath of unless, of course, you have a big lift and big tires. You will need some traditional hand tools and a good penetrating oil, but other than that, you won't need any specialty tools to get this job done. And you can probably get it done in about two hours or less.MagnaFlow is a big name in the exhaust industry, and they're known for making a high-quality product. You combine the build quality that you get with MagnaFlow with the fact that this is made of stainless steel tubing, which is a premium material and is also more expensive, and the fact that, if you're getting a 2012 and up JK exhaust, it comes with a resonator, so there's just more material here, all of those things add up to this being one of the more expensive systems on the market. But I think you're getting great build quality, and if you like the sound of it, I think it's a home run. If you are looking to save a little bit of money, there are certainly other systems on the market that will give you a slightly different exhaust tone and save you a little bit of money. So it really comes down to what sound you're looking for out of your Jeep and if you have the budget for this system.So if you're looking to swap out the factory cat-back on your JK for an aftermarket one from MagnaFlow to provide more exhaust volume as well as a lower exhaust note, this is going to be a really well-built option. So that's my review of the MagnaFlow Performance Series Cat-Back Exhaust System, fitting all 2007 and up JKs, that you can find right here at

    Function. Add aggressive sound and enhance your vehicle's torque and horsepower with the MagnaFlow Street Series Cat-back Exhaust.

    Design. The system includes a resonator, a muffler and midpipe assembly and 3 clamps, all of which have a durable stainless steel construction. The muffler is lap-joint welded and mandrel bent to add to the strength. The perforated steel core, stainless steel mesh wrap and acoustical fiber fill inside the muffler generate a deep exhaust tone.

    Fitment. This cat-back exhaust system fits 2012-2018 Jeep Wrangler JK 2-door models.

    Note: Coupon codes cannot be applied to this product.

    Fitment: 2012 2013 2014 2015 2016 2017 2018 Details

    MPN# 15116

    CA Residents: WARNING: Cancer and Reproductive Harm -

    Tech Specs
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          Customer Reviews (6) Write a Review

          Overall Rating 4

          out of 5 stars

          Installation Time:Afternoon

          Installation Cost:0-$100

          • Exhaust Note 4 4
          • Fit & Finish 5 5
          • Bang For Your Buck 4.166667 4.2

          • 5/5

            Installation Time: Less than 1 Hour

            May 20, 2018

            Quieter than expected, but breaks in nicely!

            This was purchased to replace an offroad-only exhaust that was much too loud for normal highway use. I wanted something that still sounded nice. This was quite a bit quieter than I intended, but it developed a nice growl after about 1000 miles of break-in. Definitely recommended, don't be concerned if it's much quieter than you want at first. I wish it had a bit of pop-pop on over-run, it does not, but it sounds good and is a comfortable replacement for the factory anemic exhaust. No performance or mileage benefits observed, but there never is with a simple cat-back. Nothing you can feel or measure at the pump anyways. Very happy with purchase, and other people will be too as long as they don't expect a 4mpg improvement and V8 soundtrack.


            Year: 2014Submodel: Rubicon

            Helpful (11)

          • 5/5

            Installation Time: Less than 1 Hour

            January 23, 2018

            Magnaflow Performance Series Cat-Back Exhaust

            nice clean system, easy to install, sound is louder than stock but still pretty quiet, nice low tone. does not drone inside the cabin of the vehicle. overall a good system for someone who wants a little more sound.


            Year: 2016Submodel: Rubicon

            Helpful (10)

          • 1/5

            November 24, 2017


            The exhaust is high pitch and now has a high pitch rattle.


            Year: 2017Submodel: Wrangler

            Helpful (10)

          • 4/5

            Installation Time: Shop Install

            Installation Cost: 0-$100

            June 14, 2017

            Premium Magnaflow for 2015 JK

            I purchased this system for a 2015 JK. It has been installed on jeep for about 3 weeks now. I had it installed locally and it was just an hour job. Beautifully made. Perfect fit. Initially very quiet and to my ears the note and loudness was to soft. I was not impressed with the sound. But as it breaks in the sound has been changing, it has around 500 miles now and the sound is getting a deeper and for want of a better word, a richer and somewhat louder note, and I'm liking it more and more. If you want a louder system, I would recommend this system without the resonator, but this system may continue to change as the miles go by.


            Year: 2015Submodel: Wrangler

            Helpful (10)

          • 4/5

            Installation Time: Less than 1 Hour

            May 09, 2017

            easy install

            such a easy exhaust to install. love the sound. so much fun to run around town now, my wife loves the new tone.


            Year: 2017Submodel: Wrangler

            Helpful (11)

          • 5/5

            Installation Time: Less than 1 Hour

            February 28, 2017

            Good replacement of stock unit.

            Quality parts and good volume during acceleration. The exhaust came in box with ample packaging to protect it during shipping. The hardest part of the install was removing the stock unit and dealing with the dried mud from previous adventures. Overall, I'm happy with the product and sound.


            Year: 2016Submodel: Rubicon

            Helpful (11)

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