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MBRP Installer Series Cat-Back Exhaust (00-06 Jeep Wrangler TJ, Excluding Unlimited)

Item J18121
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Market Price $255.99 You Save 12% ($31.00)
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$224.99 (each)

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    Features, Video & Details

    • Cat-Back Exhaust System
    • Delivers a Rich, Mellow Exhaust Note
    • Boosts Torque and Horsepower
    • Aluminized Steel Piping
    • Mirror Polished T304 Stainless Steel Tip
    • Designed for 2.5L 4 Cylinder and 4.0L 6 Cylinder Engines
    • Fits 2000-2006 TJ Wrangler, Excluding Unlimited Models

    Review & Installation Video

    Review & Install Video

    A More Aggressive Sound. If you are looking for an exhaust that will give your Wrangler a more aggressive tone, then check out the MBRP Installer Series Cat-Back Exhaust. You will love the louder, deeper exhaust sound over stock.

    More Horsepower, More Torque. Improving your Wrangler's exhaust sound is great, but you will also need your performance to match. With the MBRP Installer Series Cat-Back Exhaust you will see an improvement in both horsepower and torque. This is thanks to the free flowing design that out flows the factory exhaust.

    Made with Aluminized Steel. This MBRP Installer Series Exhaust System is extremely durable and strong thanks to the use of aluminized steel in the tubing with a natural finish. The exhaust exits out the back with a mirror polished T304 stainless steel tip.

    Hang it Up. This MBRP exhaust kit is designed with easy installation in mind. The system mounts using the existing exhaust hanger locations, and doesn't require cutting or welding. It's simple, fast and easy. Installation takes around two hours to complete, and that's a pretty convenient little kit if you ask me.

    Application. This MBRP Installer Series Cat-Back Exhaust is specifically designed to fit 2000-2006 Jeep Wrangler TJ models powered by the 2.5L 4-Cylinder or 4.0L 6-Cylinder engine.

    Fitment: 2000 2001 2002 2003 2004 2005 2006 Details

    MPN# S5500AL

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

    What's in the Box
    • (1) Muffler
    • (1) Tail Pipe
    • (1) Exhaust Tip
    • Hardware
    Installation Info
    Tech Specs
    Will it fit my Wrangler?

      Customer Photos (18) Submit Your Photo

      View All 18 Photos

        Questions & Answers (28)

        5 Top Rated Questions

        will this fit my unlimited?

        • The MBRP Black Series Cat-Back Exhaust will not properly fit the TJ Unlimited model.

        Helpful (6)

        How much horse power will this exhaust add?

        • Upgrading the cat back exhaust can see a 5-10 increase in power. 

        Helpful (4)

        WHAT IS THE DIAMETER OF THE PIPE ? I DIDNT SEE IT IN THE SPECS ... IM INTERESTED IN 2.5 OR 3"

        • Hello, The diameter of the pipe for this system is 2.5"

        Helpful (4)

        in my search this does say that this system will fit the tj unlimited 2004 model. though in the Q A section is says it will not fit properly. Was there a change done over the years?

        • This cat back exhaust is only designed to work with the standard cab size 00-06 Wranglers.

        Helpful (2)

        2005TJ with 4 inch long arm kit will this be a problem ?

        10 More Questions
        What is the warranty on this product? 1 answer
        Even though it says "Unlimited" under the Applcations, what is the part number for the Unlimited? Does this mount right to the header, thus requiring ? Do I then need a right and left pipes? Or am I totally of the mark here? 1 answer
        Will this fit a 98 2.5 4l ? 0 answer
        Will this fit California 2002 jeep wrangler the 4.0 with 3 cats this looks like it connects with 2 bolt to the original pipe mine has 3 bolts and and is flat not coned 1 answer
        Will this replace the entire system up to the headers? 1 answer
        Will this fit my 1997 Sahara? 1 answer
        Will this fit my Wrangler with a RE long arm lift? 1 answer
        Is the black finish durable/ 1 answer
        Will this fit the lj 1 answer
        Will this fit a 2004 wrangler TJ X model? 1 answer

          Customer Reviews (100+) Write a Review

          Overall Rating 4.7

          out of 5 stars

          Installation Time:Afternoon

          Installation Cost:$100-$250

          • Exhaust Note 4.547945 4.5
          • Fit & Finish 4.650685 4.7
          • Bang For Your Buck 4.79452 4.8



          • 5/5

            Installation Time: Full Day

            November 14, 2019

            Great sound and fit

            This MBRP exhaust mounted right into my 03 TJ in all of about 15 minutes after getting all the stock components off. The fit, finish, and sound are all great given the low price tag. The exhaust note is just a little louder and deeper than stock. 10/10 recommend Luckily I was already diving into some other modifications, because getting the stock exhaust off was not anywhere near as easy as it was depicted in the install video. The stock muffler was rusted on so I had to drop the skidplate, which involved grinding off a bolt due to a stripped nutsert. Then I had to cut the bolts holding the muffler on because they were so rusted together. So if your Jeep has a decent amount of rust, don't expect a quick install.

            DrSwagPHD

            Year: 2003Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            November 12, 2019

            Will not work on Long arm kit PER MBRP

            MBRP said only works with stock arms OR i guess short arm kits... I installed it and put on the ground and it hits the long arm with just jeep sitting on wheels.. NICE system but will not work with LONG ARM

            Davidl12293

            Year: 2005Submodel: Rubicon

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            November 07, 2019

            Love it

            Went on with not problems. Alignment was easy, even with 4" lift. Sounds great - not too loud, nor droney in the cab.

            Heliboy

            Year: 2005Submodel: Rubicon

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            August 24, 2019

            Review from MBRP Installer Series Cat-Back Exhaust (97-99 Jeep Wrangler TJ)

            Love it.

            Really awesome exhaust for the price! Would recommend it for sure!

            ReaganA

            Year: 1998Submodel: Wrangler

            Helpful (1)

          • 5/5

            Installation Time: Afternoon

            August 03, 2019

            Sounds Great

            Great sounding exhaust. Makes to 4.0 sound tough! Installation was a little tricky. Depending on rust, you may have to drop the skid plate to make this happen, and that is a huge pain - watch some videos for proper technique. Once installed - very pleased.

            Paul

            Year: 2003Submodel: Wrangler

            Helpful (2)

          • 4/5

            Installation Time: Afternoon

            May 14, 2019

            Loud

            Very loud exhaust easy installation with the right tools. Skid plate can be hard to take off. But all over very pleased with looks and performance.

            Jeeptj13

            Year: 2004Submodel: Wrangler

            Helpful (0)

          • 4/5

            May 12, 2019

            Review from MBRP Installer Series Cat-Back Exhaust (97-99 Jeep Wrangler TJ)

            Works and sounds great

            Easy installation and makes the Jeep sound awesome.

            JENYZJP

            Year: 1999Submodel: Wrangler

            Helpful (0)

          • 4/5

            Installation Time: Full Day

            May 12, 2019

            exhaust

            the product was as described, great fit once the skid plate was removed covering the exhaust upon install

            doityourself

            Year: 2000Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            May 05, 2019

            Review from MBRP Installer Series Cat-Back Exhaust (97-99 Jeep Wrangler TJ)

            Great muffler

            It fit perfect and the install was fairly easy. Took about 2 hours, naturally need to have the right tools available.

            JMP224

            Year: 1998Submodel: Wrangler

            Helpful (1)

          • 5/5

            May 05, 2019

            Fits perfect.

            2002 Wrangler. FYI. The bolts connecting to catalytic converters to muffler is nearly impossible to remove without dropping the skid plate. The video makes it look easy to remove the 2 bolts with a socket extension, but it is not easy. Careful when dropping the skid plate because then drive shaft will also drop. I used jacks to hold the driveshaft up when dropping the skid plate. Then, no problem at all with the install.

            Jeeper00001

            Year: 2002Submodel: Wrangler

            Helpful (4)

          • 4/5

            Installation Time: Less than 1 Hour

            April 29, 2019

            Good replacement

            Gave it a deeper sound but not too loud. Definitely happy for the price. Was hoping for how my CJ used to sound. the install went well. Probably 45 minutes. Remember not to tighten muffler until you have everything lined up. I had to lower one side of my skid plate with trans supported by jack.

            Rubicon

            Year: 2006Submodel: Rubicon

            Helpful (1)

          • 5/5

            Installation Time: Afternoon

            April 26, 2019

            03 Jeep Tj

            Bought this muffler for my Jeep cause of a long arm kit install. And now i can clear the arms without rubbing. Nice sound too.

            Wheelinj84

            Year: 2003Submodel: Wrangler

            Helpful (1)

          • 5/5

            Installation Time: Less than 1 Hour

            April 15, 2019

            Review from MBRP Installer Series Cat-Back Exhaust (97-99 Jeep Wrangler TJ)

            Exhaust

            It changes the sound of the jeep much better than stock

            Brady

            Year: 1997Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            April 09, 2019

            Great Exhaust at a great price

            Easy install. Sounds good. Fits well. Price is right.

            MarkM

            Year: 2005Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: $100-$250

            April 07, 2019

            Review from MBRP Installer Series Cat-Back Exhaust (97-99 Jeep Wrangler TJ)

            sounds amazing!

            this is a nice product; it really upgraded my original exhaust set and i love the sound! easy install just as stated - thank you Extreme Terrain!

            BettyS

            Year: 1999Submodel: Wrangler

            Helpful (1)

          • 5/5

            Installation Time: Less than 1 Hour

            April 07, 2019

            Review from MBRP Installer Series Cat-Back Exhaust (97-99 Jeep Wrangler TJ)

            WOW!

            After a knock developed in the exhaust system I decided to replace both the muffler and catalytic converter. Glad I did as after taking them apart and cutting them open I found 6 pieces of catalyst floating around in both the converter section and the the muffler. That explained the knocking and also the intermittant loss of power as the chunks would sometimes get into the pipes in the muffler chamber. After replacing both sections my old TJ runs and sounds like new! My top end is back. It has never run better! The exhaust tip also looks great and changes the tone to a slightly lower note. Great sound but still quiet. I could not be happier! Side Note: Extreme Terrain has been great to deal with, I have ordered several items for my jeep and their customer support is excellent!

            JKFitz

            Year: 1998Submodel: Wrangler

            Helpful (3)

          • 5/5

            Installation Time: Less than 1 Hour

            April 06, 2019

            Great purchase!!!!

            Fit and sounds great! Not super loud but nice deep tone in low rpm's. Installed in about 35 minutes!

            wheeler

            Year: 2002Submodel: Wrangler

            Helpful (1)

          • 5/5

            Installation Time: Less than 1 Hour

            April 04, 2019

            Great exhaust!!!

            Very easy to install ! Love the rumble of the new exhaust I would recommend to anyone who wants a meatier sound to your Jeep!

            CoreyZ

            Year: 2001Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            April 01, 2019

            Purrrrfecto

            Installed on my 06 TJ and along with new cat converter set up from Summit Racing and my TJ is sounding and running perfectly now. Had O2 sensor check engine light for over a year now and its officially gone! Took approx. 2.5 hrs to get old rusty cat and muffler off due to rusted hard to reach bolts, but had it all back together in 1hr. Very pleased with my purchase.

            ReneR

            Year: 2006Submodel: Wrangler

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            March 29, 2019

            Review from MBRP Installer Series Cat-Back Exhaust (04-06 Jeep Wrangler TJ Unlimited)

            Decent upgrade for the money!!

            My 05 LJ had both rear exhaust hangers dangling and slapping on my frame every time I went over a bump. I really didn’t feel like spending $4-600 on a high quality cat back for my weekend warrior rig. All in all pretty impressed with being able to freshen up the look under my LJ for around $200. I had my local shop throw it in for $50. It came with all the necessary hardware to mount. It seemed easy enough to do myself but I didn’t have the tools or time to get to it. The exhaust note is just a tiny bit louder than stock. I bought it more for the aesthetics of cleaning up my old rusted exhaust but am impressed with the quality and price.

            SeanR

            Year: 2005Submodel: Wrangler Unlimited

            Helpful (2)

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