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MBRP Armor Plus Axle-Back Exhaust (18-23 2.0L or 3.6L Jeep Wrangler JL)

Item J137090-JL
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Market Price $137.99 You Save 13% ($18.00)
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$119.99 (kit)

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      Video Review & Installation

      Hey guys, I'm Eric with ExtremeTerrain. In this video, I'm going to give you my review and install of this MBRP XP Axle-Back Exhaust, for all 2018 and later Jeep Wrangler JLs with either the 2-liter or 3.6-liter gas engine. This kit from MBRP, I think, is the perfect option for the Wrangler owner out there who's looking to maximize their ground clearance while adding a little bit of growl to their exhaust note for their 2-liter or 3.6-liter gas engine JL Wrangler.Now, this straightforward design is an affordable option that provides those benefits I just mentioned, especially if you're not necessarily concerned with dressing up your outward appearance. As you just heard, guys, I would rate this exhaust kit at roughly around three out of five on our wake our neighbor scale right in the middle of the road. As we took it out for our test drive, I noticed it really came alive when I hit the accelerator pedal and hit the upper RPM ranges. The other times that it's most noticeable is when you're actually in the lower RPM ranges and the vehicle's decelerating. You get a little bit of burble, down low which is kind of a pleasing sound.But to be quite honest, just cruising down the road wasn't a whole lot more noticeable than your stock factory exhaust. And I doubt you'd even hear it if you have all-terrain or mud-terrain tires outfitted on your Jeep. I think most, if not all, Jeep owners do some level of off-roading with their ride. I know I do. And whether you're doing some extreme off-roading, rock climbing, or you just like to power through some mud bogs, or some snow, or go down a dirt road, it's always nice to keep everything on your Jeep above that in any off-roading condition.Now I was curious with this kit just how much ground clearance you would get by adding this kit. Now, I took some before and after measurements, and as you can see, the lowest point of this pipe is more or less flush with your factory tow hook. So you're gaining roughly 2 to 3 inches of additional ground clearance over your factory exhaust. Now this straightforward kit from MBRP eliminates your entire factory muffler. So not only are you getting that added ground clearance, you're also eliminating about 20 to 30 pounds of weight off of your Jeep.And since you're removing that factory muffler, you're also going to get less backpressure. And I did notice a slight improvement in throttle response as we were out test-driving this kit. Now, this pipe from MBRP is made from T409 stainless steel, so corrosion should not be an issue. It's mandrel-bent and well designed to fit high and tight on your Jeep, giving you that ground clearance that you're looking for.Now coming in right around $120, this MBRP XP pipe is really towards the lower end of exhaust kits out there in terms of price. And if all you're looking for is that ground clearance and a little bit of added growl to your exhaust note, I think it's a perfect match for those benefits that you're looking for. You're obviously not going to get a more refined exhaust note like you would from some of the more expensive kits out there, but this is what you're buying and this is what you're looking for in those specific benefits with this kit.Now as far as installation goes, I'm giving this a very basic one out of three wrenches on our difficulty meter. With some basic hand tools and about an hour of your time, you should have no problem getting this job done in your own driveway or garage at home. So with that said, let's go ahead and take a look at the installation. All right, guys, the tools we're using for this installation, some PB B'laster or similar penetrating oil, a rubber mallet, an exhaust hanger removal tool. I do recommend wearing some gloves. The edges of the new exhaust pipe can be a little sharp. Also, I recommend wearing a set of protective eyewear anytime you're spraying oil underneath. Also, using a 13-millimeter ratcheting wrench, a 13-millimeter deep well socket, a 15-millimeter deep well socket, a 6-inch extension, and an electric impact gun.Okay. Now we have our jeep up on a lift so we can give you a good shot at what we're going to do under here. We're basically going to be removing this entire muffler all the way back to the first clamp that connects this rear section to the rest of your exhaust. Disconnect that, there's going to be one clamp back there and two brackets, one here and one here. It's actually easier to remove those brackets and drop this down than to get a hanger removal tool in there to release the muffler from the rubber hangers. It's really tight in there, and we're going to show you how to do that right now.All right, guys, I have my electric impact gun here, and I have a 15-millimeter deep well socket on it. We'll get it up in here. All right, guys, now I have a 13-millimeter deep well socket and an extension on my impact wrench. Just kind of fish it up in there. We're going to go after the top bolt on that bracket. I think you're technically seeing the backside of it right now. I'm going to go after this bolt right here. I got a 13-millimeter ratcheting wrench. All right. Now we're going to go to the other side. All right, guys, again, the same thing as the driver side over here on the passenger side, a 13-millimeter socket.All right, guys, we've wiggled everything loose and taken out all the hardware holding these clamps, so just go ahead and pull your muffler away. Okay, guys, now we have our factory pipe off the Jeep, I want it to throw it up here on the table to give you a quick side-by-side comparison. Nothing too in-depth here, but as you can see, we are eliminating the entire muffler. That's really where we're going to get that more aggressive tone with this MBRP XP kit. As you can see, this is pretty much a bare-bones installation. It's pretty much the 2.5-inch diameter T409 stainless steel in a straight pipe. We're eliminating the entire muffler.All we're going to be doing is transferring over this one rubber hanger and bracket over to the hanger on the pipe, and we also have one clamp to deal with. Pretty much a straightforward installation. So I don't want to waste any more time, and let's keep going. All right. To get this hanger off with a bracket, it's good to have a hanger removal tool or a tool, you know, designed for this job. You could do this with a large set of pliers or something else. Just remember, you don't want to chew up this rubber too much because we're using it.Now, a minute ago, I gave it a shot of this PB B'laster lubricant down in here, just to kind of make it a little bit easier to pull off. I recommend that, especially if it's been on here a while or your Jeep's got some mileage on it. So, we're just going to go ahead and pry this in here. All right. Now to put this on, just make sure that the bracket is facing this side of the pipe. That's how it's going to be oriented when we mount that up on the Jeep. And this is going in this bottom hole right here. Just like that.All right, guys, now to fit the pipe back in place, I'm just going to give another little shot of oil around the outside of the factory pipe. Depending on how your new pipe comes from the manufacturer, might be a little snug. Make sure you put on some eye protection so you don't get anything splashed back in your eyes.Okay, guys, we have the pipe snugged up onto the rest of the factory exhaust piping. Now we're going to be attaching this bracket with the hanger back to the frame. See this little bent up, kind of, hook on the corner of this bracket? You want to slide that up, so it tucks up nicely with this flange that's welded to the frame rail. That'll line up your bolt holes for you nicely. And I'm just going to start these by hand, and then we'll tighten them up in a second. You got that one there, and then this one up top. I'm going to grab my 13-millimeter ratcheting wrench. And then to get up high, I'm going to switch over to my impact gun with a 6-inch extension and a 13-millimeter deep well socket. All right. Those are tightened up. Now we just have to tighten up the clamp at the front of the pipe. Okay, guys, the clamp that comes with the MBRP kit, this is a 15-millimeter.Okay. So that wraps up this review and installation of this MBRP XP Axle-Back Exhaust Kit, for all 2018 and later Jeep Wrangler JLs with a 2-liter or 3.6-liter gas V6. For all things Wrangler, keep it right here at

      Product Information

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


      • Delivers a Moderate Engine Growl Upon Acceleration
      • Improves Airflow and Offers a Sleeker Look
      • Features a Muffler Bypass Design
      • T409 Stainless Steel 2.50-Inch Mandrel-Bent Tubing
      • Turn Down Exit without Tips
      • Easy Direct Bolt-On Installation
      • Fits All 2018-2023 2.0L or 3.6L Jeep Wrangler JL Models


      Hear Your Jeep Roar. Get rid of your Jeep’s massive and clunky muffler and install this sleek MBRP XP Series Axle-Back Exhaust instead. After the install, expect to be blown away by the change in tone—from plain to moderately aggressive—as you accelerate or change gears. Aside from the sound upgrade, you also get a sleeker-looking Jeep rear and increased ground clearance without the bulky muffler in the way.

      Better Airflow. The MBRP XP Series Axle-Back Exhaust comes with a muffler bypass that gets rid of your restrictive muffler and exhaust pipes. With smooth mandrel bent tubes, you get a better airflow that can result in power gains of horsepower and torque.

      Corrosion-Resistant Build. The MBRP XP Series Axle-Back Exhaust is made with T409 to ensure its corrosion resistance for many years. In addition, the 2.50-inch diameter tubes feature smooth mandrel bends instead of cheaper crush bends to facilitate efficient from of exhaust gas that results in a better exhaust performance.

      Direct Bolt-On. This is a relatively simple installation that anyone can do. You only need to remove the existing muffler and replace it with this Axle-Back Exhaust assembly using the included band clamp and existing hangers on your Jeep. As such, you’ll need basic garage tools and an hour to finish the installation.

      Application. The MBRP XP Series Axle-Back Exhaust fits 2018-2023 2.0L or 3.6L Jeep Wrangler JL models.



      MBRP S5527409

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Muffler Bypass
      • (1) Tailpipe
      • Installation Hardware

      Customer Reviews (61)

        Questions & Answers

        10 More Questions

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