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C&L Cat-Back Exhaust with Black Tips (15-17 Mustang GT Fastback)

Item 412118
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$794.99 (kit)

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      Video Review & Installation

      Justin: The C&L Cat-Back that we have here today will be a great option for the 2015 through 2017 GT owners out there looking for a premium build and premium sound but at a very budget-friendly price point. Now, interested S550 owners can look forward to a 100% stainless steel build throughout, including the straight-through perforated muffler design, and included X-pipe, all exiting out the rather large 4.5-inch black tips.Now, price point's gonna live in that mid to high $700 range, and the install, at least according to the site, it's gonna get a solid two out of three wrenches on the difficulty meter. Maybe take you a couple of hours to complete from start to finish, but, as always, hang with me for a bit, and we'll walk you through that job later in the video. But as is tradition with exhaust videos, let's just jump headfirst into the sound here with the C&L in place, and listen, you guys heard the sound clips at the top of this video.What I can tell you is that it's a strong system. It's a muscular-sounding system, but at the same time, it's not over the top, it's not ridiculous, and that's probably one of the best things I enjoy about this particular cat-back. Listen, if you want one of the loudest cars in town or on the block, there's certainly gonna be more aggressive options out there on the site. But if you're looking to make just enough rumble without driving the neighbors or your wife crazy in the process, well then, this just might be the option for you.So, with all that said, breaking out my patented wake the neighbors scale, I'm gonna put the C&L at a very strong three out of five on my one-to-five, or one-to-wake-the-neighbors scale. Now, inside the car, on the other hand, things do remain relatively quiet, with a little bit of noise present at cruising speeds, which is pretty much gonna be your case with most of your after-market systems. But with the sound wrapped up, let's move into your quality and construction here, gang, and the C&L is gonna offer a very solid build, and again, will be one of your more affordable full stainless steel options on the site for the early S550 5-liter cars. Now, you can expect 409-grade stainless through most of the system here. It's gonna be a solid material, just behind the 304 grade, which is typically gonna round out the top end, and, of course, you got the aluminized steel on the bottom end. Now, 409, solid material again, very good at reducing or resisting corrosion in the long run, and should essentially last the lifetime of your S550.But aside from that stainless material and the very nice welds, by the way, you're also gonna be looking at 3-inch mandrel-bent tubing throughout, which, as a nice little added bonus, is given this kinda polish to it, a little bit of a polish, and that's nice because, something you're certainly not gonna see with a lot of cat-backs, even some of your more premium options on the site. Now, that 3-inch tubing does lead into your included X-pipe, along with the twin polished mufflers here, guys, which feature what is called a straight-through perforated tube design.Now, this is a design I like, because it, yes, it is still is very free-flowing, there's no restrictions really, but it is going to take some of the edge off of that traditional raspy Coyote. Last but not least, guys, everything is going to exit out of your rather large, again, 4.5-inch slash cut tips, which do fill out that rear valance nicely, and, as you can see, in this particular case, is included with a black tip.Now, just a heads up here, guys. If you prefer more of a traditional look, well, C&L does offer a polished tip system, basically identical to this, at the same price point. And I do want to point out that C&L also kicks in the necessary step-downs here that will allow this cat-back to work with your factory manifolds and that factory step-down or aftermarket headers as well. You're also looking at all of your necessary clamps, and everything else needed for the installation.Now, keep in mind, guys, this is a 100% bolt-on job here, that does not require any cutting, does not require any permanent modification, but to give you a better idea of just how this will come together underneath your S550, feel free to check out our detailed walkthrough and tool breakdown right now.Man 1: Tools used in this install include an impact gun or a ratchet, an extension, 13 and 15-millimeter deep sockets, flathead screwdriver, and a mallet.Man 2: Hey, guys. We've already covered this uninstall, so we're gonna look at some of that footage, and then we'll come right back in with the install.Man 1: First up here, guys, grab a 15-millimeter deep socket. We're gonna loosen up, but not completely remove, the nuts on both of the band clamps here connecting your factory resonator to your headers. So, we're just gonna loosen these guys up. All right. Next step, we're gonna be at our rear subframe, right behind our diff. Now, you'll see these hangers connect to the sub-frame itself, using two 13-millimeter bolts. Now, we don't have to remove the hangers from the isolators. We're actually just gonna unbolt the whole isolator bracket from the frame. So, grab a 13-millimeter socket, and I like to use an extension to go right over the sway bar, and we're gonna remove these.Now, from there, what I'm gonna do is just lift up on this and swing these guys down. There's a little locking tab here that just hooks in. We just wanna unhook that. So, you may have to lift up on the exhaust, and then bring it down. All right. Next step, before we remove the whole exhaust in one piece, I recommend grabbing WD40 or something similar with this needle here, to just lubricate the hanger above your tips. This is gonna make removing it a whole lot easier. All right. Do the same thing on the other side.Next step, guys, we're gonna take our exhaust off all in one piece. Now, you may want a helping hand if you're using a lift like we are. If you're working on the ground, it might be a little easier for you to do it by yourself. I'd recommend having a mallet to knock these band clamps back a little bit, disconnect it from this side, swing it back toward the front of the vehicle, and set it aside.Man 2: First thing we're gonna do with our install is reinstall our exhaust hangers. We took them off in the uninstall. I have them all back in with my 13-millimeter. And now that we have these all back in place, now we're gonna go to the front and install our adapters. So, now that we have our hangers on, what we're gonna do is install our adapters, because the front pipes here are 2-inch. We're going into a 3-inch exhaust. We're gonna slide these in, reuse our band clamps from our factory. I'm gonna hold them in place. I'm gonna take my 15-millimeter, tighten our band clamps back up.Now we're gonna install our mid-pipe. What I'm gonna do is install my clamps on first, so I don't forget them, and I'm gonna face them the same way when I tighten them up as the original band clamps. Then we'll take our mid-pipe. I have a pole jack. If you have a jack at home, if you're doing this on the ground, you can use a pole jack or a floor jack. And I'm gonna line that up. Slide it into place, using my pole jack to hold it up.I'd say you might wanna come back here with it. Put it right there. And we're gonna get it pretty much in the tunnel, and square in the center. Make sure it's slid on far enough. And we'll just get our band clamp started, because we're gonna have to move it around for fitment once we get the rest of the exhaust on. So, now I have everything lined up. I'm gonna just snug our 15-millimeters up here. That way, we'll come back when we get the rest of the exhaust on, and then we'll tighten everything up.Now we'll install our actual pipe on the passenger side. I'm gonna get it so it lines up with the bracket. I have my clamp already on. Make sure it's about the same as the other one, so it lines up and looks right. Take my 15-millimeter. Tighten our clamp up. I'm just gonna snug it because we're gonna tighten them up at the end. Now we'll install our muffler. I'm gonna put it through the hanger first, and then slide it over my pipe, like that. I already put my clamp on, so I'm gonna take my 15-millimeter and snug this up.Now that we have the whole exhaust on except for the tips, I'm gonna start in the front, start tightening things up, getting things level, where I want them. It doesn't hurt to take a step back, look at everything, make sure it looks nice underneath the car, mufflers aren't cockeyed, and we'll start from the front, and tighten our way back. Now I'm gonna start up front. Take my 15-millimeter. You wanna hit them pretty good, so it doesn't move. Now we'll go to the back, get everything straight, and tighten all the rest of our clamps up.Now I'm gonna line everything up, and tighten these four clamps up. So now, last, we're gonna put our tips on. I put my clamp on. I'm gonna take it, slide it in place, and I'm gonna angle it with the contour of the valance panel here. I'm gonna tighten this up with a 15-millimeter. And now, you're gonna wanna repeat this same procedure on the other side, and that wraps up this installation.That wraps up this review and install of our C&L Cat-Back Exhaust with Black Tips, for '15 to '17 Mustang GT Fastback. Thanks for watching, and for all things Mustang, keep it right here at

      Product Information

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


      • Aggressive Performance Sound
      • Improves Exhaust Flow for Better Performance
      • Oval, Straight-through Perforated Mufflers
      • Cross-Over X-Pipe Included
      • Mandrel-Bent 3-inch Diameter 409 Stainless Steel Tubing
      • Black Coated, 4.5-inch 304 Stainless Steel Exhaust Tips
      • Simple Bolt-on Installation
      • Fits 2015-2017 Ford Mustang GT Fastback Models


      Aggressive Performance Sound. Add an exciting exhaust note to the sound of your GT Mustang's exhaust with a C&L Cat-Back Exhaust System. This C&L Cat-Back Exhaust features a pair of oval, straight-through perforated mufflers that will produce an aggressive performance sound under acceleration, but a mellow tone at idle. Besides an increase in sound, this Cat-Back, with its full mandrel bent piping, will reduce restrictions giving your Mustang a more free-flowing exhaust for gains in both power and performance.

      Quality Construction. C&L proudly manufactures their Cat-Back Exhaust systems from mandrel-bent, 3-inch diameter, premium grade, 409 stainless steel tubing for excellent exhaust flow and enduring corrosion resistance. Besides the high-flow, crossover X-pipe, this system features a pair of oval, straight-through perforated mufflers that end with a set of 4.5-inch, black coated, 304 stainless steel exhaust tips.

      Bolt-On Installation. C&L engineered their Cat-Back Exhaust to be a direct bolt-on upgrade replacement. This Exhaust System will easily bolt straight up to the factory piping for an easy straight forward installation. Clamps and instructions are provided.

      Application. This C&L Cat-Back Exhaust with Black Tips is designed to fit 2015-2017 Ford Mustang GT Fastback models.



      C&L 412118

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Reducers
      • (1) X-Pipe
      • (2) Under Axle Tubes
      • (2) Mufflers
      • (2) Exhaust Tips
      • (8) 3-inch Exhaust Clamps

      Customer Reviews (9)

        Brand Image

        Reviews of C&L Exhaust products have an average rating of 4.8 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Mustang