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MBRP Armor Lite High-Clearance Turn Down Cat-Back Exhaust (04-23 4.0L 4Runner)

Item TR11838
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      Video Review & Installation

      Jake: Jake here for ExtremeTerrain. And today I'm taking a look at the MBRP Armor Lite High-Clearence Turn Down Cat-Back Exhaust, fitting 2004 and newer 4Runners with the 4-liter V6. If you're looking to add a little bit of spice to your 4Runner while keeping your truck's off-road prowess intact, then MBRP has got your solution right here.This turn-down cat-back gets you the extra sound that you want without blowing out the budget. And while this is a cat-back system, it is also MBRP's street profile, meaning that it's not going to be too obtrusive or loud, but it's still going to sound great. Speaking of which, we're going to give this one a soft three out of five on our loudness meter, so it's going to be a great pick for a daily driven truck.Toyota's venerable 4.0-liter V6 is a true workhorse. It just keeps on going. However, I don't think that anybody is ever gonna say that it sounds particularly good right out of the box. Even some other aftermarket exhausts just make that engine sound really raspy and, frankly, unpleasant, but that is not at all the case here. As you heard from the clips at the beginning of the video, this exhaust note is much, much better. It's smooth, it's got a nice rumbly sound to it, and it doesn't scream at the top end of the rev range either. It's pleasant without being too quiet, but also loud enough to make people take notice. And I think it strikes a really nice balance.Same can be said for inside the cabin as well. Again, as you heard from the clips at the start of the video, you are gonna notice this one more than you would your stock system. It's still gonna be a nice underlying tone. They're not something that's gonna make you dread a long drive. Now this is a full cat-back system, so your factory cats are maintained, and your muffler and resonator get replaced with this canister-style muffler. Now, you can hear you've got some good resonance through it too, and it is pretty much straight through with some baffling in there too. MBRP's exhausts usually just sound nice, and such is the case here.Now the other big thing to talk about here is the location of the exhaust exit. Now this is a turn-down, and as such, this is gonna offer you more space at the rear end of your truck. Now whereas that stock exhaust hangs down and you've got the muffler even below the bumper line, in some cases, this is gonna tuck up right underneath it. It makes it a perfect choice if you're doing any kind of off-roading since this is gonna make for a better departure angle for you. Now, obviously, that means you forego a traditional tip. You've just got this little slash cut right here. And again, you're really not gonna see much of this once it's on the truck. However, if you value functionality, this is gonna be the ticket for you.Now construction here is all 2.5-inch mandrel bent aluminized steel. Now, aluminized steel is going to be best suited to a drier climate or a vehicle that doesn't see a lot of moisture as it doesn't provide the same level of protection as a T304 stainless system or even one made of T409. But you also aren't paying the price of a T304 or even a T409 system either.Speaking of which, this entire system is only going to run you about $400, which is really inexpensive for an exhaust, even for these trucks. Now again, you're not getting the highest quality material, but it is well put together. The welds look nice on everything and it sounds really good. You're not shelling out a lot of money. So, if it suits what you're looking for and you like that sound, I really don't think you can argue with that price.Installation gets a two out of three on our difficulty meter, and you can plan on this taking you about two hours to complete. Now like any exhaust, getting the old one off and getting the new one in can be a bit of a process, so just prepare yourself. Otherwise, though, this doesn't require you to make any modifications to your truck. It's going to utilize all your factory exhaust hanger locations, and you get the clamps that you need to put it all together right there in the box. No special tools needed, just what you've got in your garage. And with that, let's go ahead and jump one out the install bay and we'll show you what you need to do to get this onto your 4Runner.Man: Tools required for this install include an impact gun, an air gun, an exhaust hanger remover, a couple of different-sized extensions, 14 and 15-millimeter sockets, and a swivel adapter. What's up, guys? Today we're installing an exhaust on our 4Runner, so let's get started.So, our first step is to unbolt our tailpipe from our muffler pipe. We have two 14-millimeter bolts on that flange that we need to remove, and then one hanger on our tailpipe to completely remove it. Now this one might be a little bit hard to see, but we're going to have to go over our track bar and take our 14-millimeter socket to remove our bolts.Next, we can come about a foot behind the end of our tailpipe and we have one hanger right up here. It's going to be a little hard to see. We'll get our exhaust hanger remover and pop that out of our isolator. Now with our tailpipe free, we can wiggle it out of the way.Next, we can start working on our muffler pipe. Now we have two hangers towards the front by our flange that we can pop out first. So, we'll grab an exhaust hanger tool to pop those isolators off. And next, we can grab the one on the front side of our muffler, and then we can throw that back onto our rod. Next, we can come up to our flange and remove these two 14-millimeter spring bolts. So, we'll grab a 14-millimeter socket to pop these out.Now we can come back behind the muffler and remove our two last hangers. Now it's going to be a good idea to grab a buddy to go back to the flange to hold that because once we remove these two hangers, the whole piece is going to fall. So, we'll grab our exhaust hanger remover tool and pop these out and then remove our pipe. And now with our hangers removed, we can remove our muffler pipe.So, our first step is to install our front pipe. We have two hanger rods coming off of our pipe that will get into our isolators first, and then we can get our two spring bolts through the flange. So, now we can come back to our flange and install our two spring bolts. Now we're gonna install two washers that are included in the kit on each of our spring bolts. And then we can grab a 14-millimeter socket and extension to thread our bolts in. And then we'll do that same thing for the other one. And now once we have both of our bolts threaded in, we can take our 14-millimeter socket to tighten these down. We're going to go back and forth so that we put equal pressure on the flange.Next, we can install our muffler. So, we're gonna take one of our clamps and slide that over the edge and then slide our muffler onto our front pipe, and then we can get our clamp into place and tighten that down with a 15-millimeter socket. Next, we can install our over-axle pipe. So, we'll grab another clamp to slide onto our muffler outlet, and then we can raise this up and then put it through our two isolators. And now we can come back to our clamp and slide that into place and tighten it down with our 15-millimeter socket.Now lastly, we can install our tailpipe. So, we'll grab another clamp and slide that over the edge. And then we're gonna go through our hanger first and then up into our over-axle pipe. And now we can come back to our clamp and get it in place and then tighten that down with a 15-millimeter socket.So, that'll wrap up this review and install of the MBRP Installer Series High-Clearance Turn Down Cat-Back Exhaust for your 2004 and newer 4-liter 4Runner. Thank you for watching. And for all things 4Runner, keep it right here at

      Product Information

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

      Features & Specs

      • High-Clearance Turn Down Cat-Back Exhaust
      • Durable Aluminized Steel with Fully Sealed Tubing
      • Made for Rough Terrain
      • Smooth Mandrel Bent Tubing
      • Moderate Exhaust Tone
      • Bolt-On Installation
      • Uses OEM Hanger Locations
      • Suitable for 2004-2023 4.0L 4Runners


      Sturdy Construction. Looking for an exhaust upgrade that can take a beating? Check out our MBRP Installer Series High-Clearance Turn Down Cat-Back Exhaust. This system is built tough with durable aluminized steel and fully sealed tubing. It's designed for use on rough terrain, so you can take it off-road without worry. In addition to that, the smooth mandrel bent tubing ensures moderate exhaust tone for a pleasant driving experience.

      Simple Installation. This bolt-on MBRP Installer Series High-Clearance Turn Down Cat-Back Exhaust requires no welding, and uses your vehicle's OEM hanger locations for a quick and easy installation.

      Application. An MBRP Installer Series High-Clearance Turn Down Cat-Back Exhaust is engineered to precisely fit 2004-2023 4.0L 4Runners.


      • 2004 Toyota 4Runner
      • 2005 Toyota 4Runner
      • 2006 Toyota 4Runner
      • 2007 Toyota 4Runner
      • 2008 Toyota 4Runner
      • 2009 Toyota 4Runner
      • 2010 Toyota 4Runner
      • 2011 Toyota 4Runner
      • 2012 Toyota 4Runner
      • 2013 Toyota 4Runner
      • 2014 Toyota 4Runner
      • 2015 Toyota 4Runner
      • 2016 Toyota 4Runner
      • 2017 Toyota 4Runner
      • 2018 Toyota 4Runner
      • 2019 Toyota 4Runner
      • 2020 Toyota 4Runner
      • 2021 Toyota 4Runner
      • 2022 Toyota 4Runner
      • 2023 Toyota 4Runner

      MBRP S5343AL

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) High-Clearance Turn Down Cat-Back Exhaust

      Customer Reviews (1)

        Brand Image

        Reviews of MBRP Exhaust products have an average rating of 4.6 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My 4Runner

          • 40th Anniversary Edition - 23
          • Limited - 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
          • Nightshade - 20, 21
          • Sport - 04, 05, 06, 07, 08, 09
          • SR5 - 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
          • SR5 Premium - 18, 19, 20, 21, 22, 23
          • Trail - 10, 11, 12, 13, 14, 15, 16, 21, 22
          • TRD Off-Road - 17, 18, 19, 20, 21, 22, 23
          • TRD Off-Road Premium - 18, 19, 20, 21, 22, 23
          • TRD Pro - 15, 16, 17, 18, 19, 20, 21, 22, 23
          • TRD Sport - 22, 23
          • Venture - 20, 21