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

Item J100252
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$496.57 (kit)

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    Features, Video & Details

    • Enhanced Performance
    • Improved Design
    • Fully-Welded Tubing
    • Designed for 2012-2018 Jeep Wrangler JK 2-Door Models

    Review & Installation Video

    Review & Install Video

    This Magnaflow Rockcrawler exhaust is for those of you with the 2012 and up two-door JK that are looking to change up the sound of your Jeep, as well as provide some additional clearance and have less tubing underneath the ride that can get banged up when you're on the rocks. I'm going to give this a one out of three wrenches. All you're going to need to do is remove your factory exhaust system and bolt this one in place. There's no cutting, there's no welding, there's nothing difficult about this install. Give yourself around two hours to get this installed, maybe a little bit less if you don't have any rust on your JK. This system will replace both the factory resonator and the factory muffler with just one smaller bullet-style muffler. So, again, have some additional clearance and tuck up everything out of the way so you have less of a chance of bashing these things on the rocks.As with any exhaust system, this is going to open up your engine a little bit, let it breathe a little bit better. So you might get a little bit better throttle response, a little better MPG, but this is really going to be about the sound. And because this eliminates both the factory resonator and muffler in place of just one smaller muffler, this is going to be one of the louder system on the market. Now, if it had less of a tailpipe dumped in front of the axle, it would be even louder. And this tailpipe system does mellow things out just a little bit. But it gives it a really nice sound, something that I really like.So, again, this is going to replace a couple of components in place of one bullet-style muffler here and you are going to have all of the piping to have your outlet behind the rear axle. The Off-Road Pro System from Magnaflow does dump in front of the axle, that is going to be a little louder and eliminate even more piping. This system overall is by a company that we all know, Magnaflow. They've been making exhausts for a lot time. They make a really high quality product. This is going to be a stainless exhaust system. Everything fits together really well. You can tell by the bends, by the welds, that this is a very well-built system out of a very high quality material. But all of that also means it's going to be a little bit more expensive that some of the others on the market. If you have the budget for it, you'll like the way this sounds. I think it's going to be a nice option.As far as the install goes, I am going to give this a one out of three wrenches. The most difficult thing you're going to run into is going to be any sort of rust that you might have on that factory exhaust system. So I definitely recommend spraying all of the clamps, all of the nuts, bolts, and even the hangers with a good penetrating oil well before you get started with this installation. It's going to make it that much easier to take everything apart.So you can start from the back removing your muffle, then removing the rest of the piping and resonator from the catalytic converter collectors all the way back. Get everything out of the way. Then when installing this system, you're going to actually start at the front by the cats, installing this small extension pipe here, then the muffler, then your over-axle pipe, and finally your outlet tailpipe section. This system does come with all the clamps that you're going to need to get it installed on the Jeep.Give yourself around two hours to get this installed, maybe a little bit less if you don't have any rust on your JK. And with some traditional hand tools, you can get this done in your driveway.With Magnaflow you are going to be paying a little bit more for quality of materials and quality of construction. And this system comes in at right around $460, which is going to be the higher end of the price range for an exhaust system like this. But, again, I think it gives you really great sound, it gives you functionality of having less piping, less stuff to get banged up on the trail. So if you're looking for something that you can take off road, give you some sound, I think that this is a really nice option. And it's a very high build quality as long as you have the budget for it.So if you're looking for more growl and to have less stuff to get banged up on the rocks, I definitely recommend taking a look at this Magnaflow Rockcrawler exhaust system for your 2012 and up JK that you can find right here at extremeterrain.com.

    Performance. Enhance your engine's overall performance with the Magnaflow Rockcrawler Exhaust. It helps reduce engine heat and backpressure while improving horsepower and torque gains. This exhaust has a high-clearance Rockcrawler design for superior off-roading.

    Design. It is mandrel bent and made of strong stainless steel for durability. Its fully-welded tubing adds to the strength.

    Fitment. This exhaust 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# 15236

    CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    Installation Info
    Tech Specs
    Will it fit my Wrangler?

      Customer Photos (4) Submit Your Photo

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        Questions & Answers (10)

        5 Top Rated Questions

        Is this system made specifically for a 2-door model JK or will I still have to cut 20ish inches off like most of them?

        • Hi, The magnaflow rock crawler cat back is designed for the 2012-2018 jk 2 door models.

        Helpful (3)

        Will this fit my 2018 JKU Willy's Wheeler?

        • Yes, the Magnaflow Rock Crawler Cat-Back Exhaust will be compatible with your 2018 JKU Willy's Wheeler.

        Helpful (0)

        How loud is it when Jeep is stripped down?

        • If there is no interior in your Jeep, it will be a bit louder then normal, but as per our reviews, it has a nice tone that is not obnoxious.

        Helpful (0)

        Will I still need exhaust extensions if i get this exhaust with a 3.5 lift?

        • You would still need the exhaust extension with any lift over 2.5".

        Helpful (0)

        Is there one of those I can use for my 2013 4 door wrangler. 3.6

        • For the JKU item, J100253 is the part number you would need.

        Helpful (0)
        Post Your Question
        5 More Questions
        Is this 50 state CARB ( California ) approved? 1 answer
        Would this work well in conjunction with the magnaflow loop delete y pipe? 1 answer
        You say that the exhaust works with stock rear bumper but why then does magnaflow say on their website that it doesn’t fit stock plastic bumber? Are you certain it works without damage or interference on stock wrangler sport 2 Dr rear bumber? 1 answer
        Can I use the stock bumper with this exhaust? I've heard that the exhaust might damage the factory bumper by melting it or causing heat damage and I need to change my rear bumper to a metal one to use this exhaust. Is it true? 1 answer
        What type of stainless steal is this made of? 1 answer

          Customer Reviews (41) Write a Review

          Overall Rating 4.4

          out of 5 stars

          Installation Time:Afternoon

          Installation Cost:$100-$250

          • Exhaust Note 4.394737 4.4
          • Fit & Finish 4.605263 4.6
          • Bang For Your Buck 4.394737 4.4



          • 5/5

            Installation Time: Less than 1 Hour

            July 14, 2019

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (07-11 Jeep Wrangler JK 2 Door)

            Edwin

            Year: 2008Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            July 08, 2019

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (12-18 Jeep Wrangler JK 4 Door)

            Great Exhaust

            Showed up on time with no damage to the packaging! Installed on 2017 JKUR. Removing factory exhaust was the hardest. I ended up using a saw to cut the pipe out in easy to maneuver chunks, and a cut off wheel to slice the nipple of the exhaust hangers and pull them out. Install on the Magnaflow was really nice. Everything fit just right and had all the correct hardware. After all said and done, there are no rattles, plenty of clearance around everything, and the sound is awesome. Nice low rumble at idle and while on the trails. Gets good and noisy when you put the hammer down getting on the highway, or passing. Clearance wheeling is great also. Flexed out on the rocks there was plenty of clearance for suspension. Thumbs up

            i3onzai

            Year: 2017Submodel: Rubicon

            Helpful (1)

          • 5/5

            Installation Time: Less than 1 Hour

            June 17, 2019

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (12-18 Jeep Wrangler JK 4 Door)

            This exhaust rocks!

            Installed the Magnaflow Rock Crawler Cat-Back Exhaust two weeks ago and couldn't be happier. The install was easy and the sound is fantastic. If you are looking for something with a little more rumble, but not too loud, this is the ticket. Fairly quiet at idle and at cruising speeds. Nice sound when on throttle. I can also feel a tangible performance improvement at higher RPMs. Exactly what I was looking for in an exhaust system.

            JohnF

            Year: 2015Submodel: Rubicon

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            June 14, 2019

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (12-18 Jeep Wrangler JK 4 Door)

            Great exhaust

            Bolted on easy, I recommend using torch gun to make it real tight. Great sound, it’s not too loud. Much more clearance on the back end. Great product.

            Jerry

            Year: 2017Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            June 11, 2019

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (07-11 Jeep Wrangler JK 2 Door)

            Big difference..

            I am glad I chose this exhaust after looking at several types and brands. Not the cheapest, or most expensive system but it was worth the cost and wait. I notice a huge difference in horsepower and the nice low sound is a definite improvement over the cheaper competitors rear exhaust that I had . Professionally installed and an Awesome Mod!

            PaulB

            Year: 2010Submodel: Wrangler

            Helpful (2)

          • 4/5

            Installation Time: Afternoon

            June 03, 2019

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (07-11 Jeep Wrangler JK 2 Door)

            Good sound

            Pretty easy to install with a great sound. Not too loud till you put the peddle down, but you can definitely hear the notes.

            Hardcase

            Year: 2007Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            May 31, 2019

            Nice exhaust

            First things first, hit ALL of your rubber hangers with bb blaster or wd40 before attempting to remove your old system. It took me 2 hours to remove it bc i didn't do that step. The new exhaust went on in less than 20 minutes, very nice clamps and easy to install piping. After a few heat cycles it got a louder, crackles and pops a little bit between shifts or when going into neutral. Doesnt drone untill you hit 3k rpm, not bad on the highway at all. Feels like the engine breathes a lot better with this pipe and with a cold air intake. Jeep whips doughnuts in the dry now

            emjman18

            Year: 2018Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            May 12, 2019

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (12-18 Jeep Wrangler JK 4 Door)

            Love it

            Quick and easy install. Sounds great. Took maybe half an hour for me and a friend to put on. Couldn’t be happier.

            DisneyJK

            Year: 2017Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            March 20, 2019

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (07-11 Jeep Wrangler JK 2 Door)

            Awesome

            I love the sound. Really changed the way my Jeep sounds and looks honesty. Cold starts are amazing now. Install took me 5 minutes once I took my old system off. Packaging was solid as well. Use lots of WD-40

            ckiel123

            Year: 2011Submodel: Wrangler

            Helpful (1)

          • 5/5

            Installation Time: Less than 1 Hour

            March 14, 2019

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (12-18 Jeep Wrangler JK 4 Door)

            Rock crawler magnaflow for jku

            I recently lured on the rock crawler magnaflow wotj no additional performance parts and I've noticed a gain in throttle response and top end speed as well as better fuel mileage . I was getting 17l per 100 km and now I'm down to 15.5. Great purchase.

            Gnardog4wheel

            Year: 2017Submodel: Wrangler

            Helpful (1)

          • 5/5

            Installation Time: Shop Install

            November 14, 2018

            Awesome upgrade on 2012 Wrangler JK

            I wanted a more aggressive tone to my exhaust without waking up the neighbors...it's a nice balance, and I love it!

            TammyA

            Year: 2012Submodel: Wrangler

            Helpful (8)

          • 5/5

            Installation Time: Afternoon

            August 22, 2018

            pretty good

            Even though it sounds nothing compared to my 2011 camaro SS Borla exhaust, it does sound pretty good when rolling down the pavement or crawling over obstacles. I mainly got it though for the fact that it will be nearly impossible to damage it unless you pin yourself on a pointed rock at just the right spot because it gets rid of the back exhaust you see when looking at the jeep and locates it up in the frame. I will say, you will prolly have to cut off the old exhaust due to the front most clip faces upward from the factory and there is no way to physically get to the bolt to get it off. good luck

            NicholasB

            Year: 2018Submodel: Wrangler

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            August 15, 2018

            Badass

            Good quality exhaust system, fits nice and snug under my JK. Awesome sound, not obnoxiously loud, even when you really give it some to talk about. Would reccomend to all JK owners.

            BradB

            Year: 2016Submodel: Wrangler

            Helpful (10)

          • 5/5

            August 15, 2018

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (07-11 Jeep Wrangler JK 2 Door)

            New attitude

            The Wrangler has a whole new sound. In conjunction w/ the new KandN 57 cold air intake my Jeep has s new attitude. And so do I.

            AltonD

            Year: 2008Submodel: Wrangler

            Helpful (7)

          • 5/5

            Installation Time: Less than 1 Hour

            June 23, 2018

            Amazing upgrade!

            Easy to install, took me about 45min to an hour definitely helped that I WD-40ed all bolts and rubber bushings ones a day for three days before attempting to install, the sounds ten times better!

            ChrisK

            Year: 2016Submodel: Wrangler

            Helpful (9)

          • 4/5

            Installation Time: Afternoon

            June 23, 2018

            Great exhaust

            This is a pretty solid exhaust. Install is easy. Removing factory exhaust was difficult. I had a muffler delete for a while and this is a huge improvement. To understand how loud this is, remove the muffler from your jeep. It is probably 75 of mufflerless sound with significantly better tone and no freeway drone. Plus it won’t get smashed on rocks like stock.

            Jackk

            Year: 2014Submodel: Wrangler

            Helpful (9)

          • 4/5

            May 30, 2018

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (12-18 Jeep Wrangler JK 4 Door)

            Great sound

            Quiet when you want and gives you a nice sound when it takes off . Not as loud and deep as stated in video

            PatL

            Year: 2015Submodel: Wrangler

            Helpful (9)

          • 5/5

            Installation Time: Less than 1 Hour

            May 15, 2018

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (07-11 Jeep Wrangler JK 4 Door)

            Great Exhaust!!!!

            This exhaust is great! I love the tone and the fact that it tucks up nicely under my jeep.

            ChristopherT

            Year: 2008Submodel: Wrangler

            Helpful (7)

          • 5/5

            Installation Time: Less than 1 Hour

            April 18, 2018

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (07-11 Jeep Wrangler JK 4 Door)

            Good Purchase

            Easy installation, noticeable power increase and better gas mileage

            DeanH

            Year: 2008Submodel: Wrangler

            Helpful (7)

          • 5/5

            Installation Time: Less than 1 Hour

            March 30, 2018

            Review from Magnaflow Rock Crawler Series Cat-Back Exhaust (07-11 Jeep Wrangler JK 4 Door)

            Magnaflow Rock Crawler Cat Back Exhaust

            Received it fairly fast giving that it came from California all the way to Ohio (5 days) and just had the time to install it today. Just as everyone says getting the old exhaust off was a major pain, about an hour, an adult beverage and a few choice words but nothing that grinder and a cut off wheel couldn't handle....... on to the install.....super easy, took about 20 minutes total and I really like the sound. Nothing ricey just a nice lower tone and on the highway it actually is pretty quiet. So overall I would highly recommend this Magnaflow exhaust to all JK owners

            Douglas

            Year: 2007Submodel: Wrangler

            Helpful (13)

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