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

Item 412344
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Market Price $844.99 You Save 12% ($100.00)
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$744.99 (kit)

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      Video Review & Installation

      Justin: If you're looking for a very aggressive full stainless steel cat-back for well south of 1000 bucks, well, then the C&L Race for the 2015 through '17 GT might just be the system for you. Now the C&L is gonna pack 409-grade stainless steel throughout, including the 3-inch mandrel-bent tubing, included X-pipe, and straight-through mufflers, all for right around that high $700 price point.Install, according to the site, guys, is gonna get a middle-of-the-road two out of three wrenches on the difficulty meter here, full bolt-on job, no cutting, that should take you a couple of hours to knock out from start to finish. And as always, hang with me for a little bit, and we'll show you that install later in the video.So, getting right into the sound you can expect with the C&L, and, honestly, guys, this thing is pretty rowdy. Now, a noticeable increase in sound over C&L's other offering for the S550, which is the C&L Street, and I do actually pick up some Roush vibes here out of this option, which is the Race, and I personally love that, right? So, breaking out my wake-the-neighbor scale, I had the C&L Race coming in at a strong four out of five on my one-to-five or one-to-wake-the-neighbor scale. Now the combination of the free-flowing mufflers here along with the X-pipe really do make for an aggressive combination, but one that still somehow manages to stay surprisingly quiet inside the car.Well, let's get back to those mufflers here, guys, because again, that is gonna be the big difference between this system, the Race, and the C&L Street. Now the Race is going to incorporate these much smaller straight-through almost bullet-style mufflers that do allow for a more aggressive sound, and one that will certainly turn more than a few heads. Now the X-pipe that we have here is included, of course, does lend itself to a little bit more rasp compared to that C&L Street, but nothing too crazy overall.But outside of sound, the other big story here with the C&L is the full stainless build at the very affordable price point. Now the C&L is going to incorporate that 409-grade stainless steel with the Race system here along with the quality welds and really solid fitment. Now the 409-grade stainless steel can be found throughout the 3-inch mandrel-bent tubing. Of course, we've got the included X-pipe here, which we've talked about already before they pass through those straight-through perforated two mufflers, and then finally out of the rather large four-and-a-half-inch polished slash-cut tips.Now, one quick thing to point out here, guys, those tips do actually feature that premium 304-grade stainless construction, which should look good for many years to come. Also, quick heads up, if you're more of a fan of a black tip instead, you can find that from C&L, same exact price point, gonna deliver maybe a slightly stealthier look.Finally, guys, the C&L will include the step-down adapters that will allow this system to work with your factory manifolds or aftermarket headers that do utilize that step-down connection, and will include all of the clamps needed for the installation. Speaking of which, again, 100% bolt-on job here, guys, with the S550 cat-backs, no cutting, no permanent modification needed. But to give you a better idea of what to expect on your own GT at home, feel free to check out our detailed walkthrough and tool breakdown.Man 1: The tools you'll need for this install is an impact and a ratchet, a 15-millimeter socket, a 13-millimeter socket, a rubber mallet, and some spray lubricant. And if you're on a lift, you'll also need a pole jack. Hi, everyone. Today we're going to install an exhaust on our 2015 Mustang GT Fastback, but before we can do that, we've got to uninstall the stock system, so let's get started.Man 2: First step 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 subframe 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 WD-40 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 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 1: Our first step is gonna be to reinstall our band clamps from our stock system. Our next step is going to be installing our X-pipe adapters because our new system is quite a bit larger than our stock system. Now we can go ahead and tighten up these front clamps with our 15-millimeter socket. Now we can go ahead and slide our clamps on for our X-pipe, getting it ready to install. Now we can go ahead and install our X-pipe. And for our purposes, since we are using a lift, we're gonna use a pole jack to support the back end of the X-pipe. Remember, the support brace on the back of the X-pipe goes towards the differential. Now we can go ahead and slide our clamp on for our rear pipe, and install the rear pipe.Now we can go ahead and install our hanger with the notch facing forward so it hooks into the crossmember. Now we're going to reinstall the factory bolt for the hanger. Now we can go ahead and slide our clamp on for our muffler, and then we can slip our muffler onto the tailpipe. I recommend sticking the hanger that's attached to the muffler into the hanger on the vehicle first and then slip the two pipes together. Now we can slide our clamp over our exhaust tip, and then slip our exhaust tip onto our tailpipe. Now repeat for the other side.Now that we've got our system installed and aligned the way we want it to be, we can go through and tighten all the clamps up with our 15-millimeter socket. And also, don't forget to tighten up the hangers behind the differential with your 13-millimeter socket.And that wraps up our review and install for our C&L Race Cat-Back Exhaust with Polished Tips on our 2015 to 2017 Mustang GT Fastback. Thanks for watching. And remember, for all things Mustang, keep it right here on

      Product Information

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


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


      Aggressive Race Sound. Add an exciting exhaust note to the sound of your GT Mustang's exhaust with a C&L Race Cat-Back Exhaust System. This C&L Race Cat-Back Exhaust features a pair of bullet style, 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 bullet style, straight-through perforated mufflers that end with a set of 4.5-inch, polished, 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 Race Cat-Back Exhaust with Polished Tips is designed to fit 2015-2017 Ford Mustang GT Fastback models.



      C&L 412344

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Driver Side Muffler
      • (1) Passenger Side Muffler
      • (1) Driver Side Mid-Pipe
      • (1) Passenger Side Mid-Pipe
      • (1) X-Pipe
      • (4) 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