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CGS Motorsports Cat-Back Exhaust; Aluminized Piping (15-17 GT)

Item 390929
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      Review & Installation Video

      Hey, everybody, I'm Justin with, and this is my detailed review and install of the CGS Motorsports three-inch cat-back exhaust system, available for your 2015 and newer Mustang GT. You guys should know the drill by now. We're talking sound, we're talking materials, and of course we're talking install here with the CGS Motorsports system, which on the surface I'll tell you right off the bat here, one out of three wrenches on the difficulty meter. No cutting, no permanent modification needed. But we will have a little bit more detail coming up later on. The CGS Motorsports cat-back is going to appeal to the S550 GT owners out there looking for an aggressive system that's gonna provide some very deep tone and one that will be relatively quiet inside the car. This is gonna be a very affordable system in the world of aftermarket cat-backs, landing you south of 1,000 bucks, thanks largely in part to the aluminized steel construction here with this kit. Should be noted, however, CGS does offer the same exact cat-back with a full stainless build, if that's something you are interested in. Both the aluminized steel and the stainless steel version of this cat-back will come backed by a full lifetime warranty, something that is worth pointing out especially with the aluminized steel version here because that's something you don't always get with the more affordable material. Now, for those of you who do not know, CGS Motorsports is a California based company whose entire motto is "Let It Breathe." That's because they primarily deal with intake and exhaust products for a wide variety of vehicles, all of it pretty affordable in the big picture of the aftermarket world. The CGS cat-back that we have here in this video certainly represents that. A big part of maintaining that affordability here with the CGS system, at least in this case, is the aluminized steel construction of course. A little bit more of an affordable material compared to the 409 or 304 grade stainless. I did point out to you guys already though that you can grab this same exact system on the site in a full stainless build. Both systems are gonna fall well beneath 1,000 bucks, so both are very affordable in the world of aftermarket cat-backs. But let's focus in here on the aluminized steel version of this cat-back, namely the construction, because it is a little unique. It's unique because, yes, you are getting that aluminized steel but it's only pertaining to the tubing itself here. The mufflers along with the tips, premium 304 grade stainless steel, and that's really nice to point out because the mufflers along with the tips should remain looking good for years to come, corrosion free. The piping, on the other hand, you might see a little surface corrosion over the years, depending on your area, but overall not a huge concern. The mufflers themselves are a performance chambered muffler from CGS, and according to those guys, should give you a nice bump in power. But my personal opinion, don't expect any huge gains from a cat-back. Rounding out the construction, you're gonna find that tubing, all three-inch mandrel bent here. Again, aluminized steel. It does incorporate the X-pipe. We will touch on that a little bit more in a minute. Finally, everything's gonna exit out the four-inch tips etched with the CGS logo. I do also want to point out this system is U.S. made, it is 50 state legal, and again it is backed by that lifetime warranty. I do want to get back to the included X-pipe here again though because, working with those performance chambered mufflers from CGS, this system did produce a very aggressive tone and one that will certainly turn some heads when on the road. Now, I do also want to point out that it's a very low thumping tone, not really reminiscent of an X-pipe whatsoever, and a tone that's definitely old school muscle, something that I can really get down with. If you didn't know any better, you'd think this thing included an H-pipe because that's what it sounded like. Breaking out the wake the neighbors scale, I'm going three out of five here on my overall one to five or one to wake the neighbors scale. It didn't jump out at me as the loudest system I've ever heard but it certainly was aggressive. It had a good amount of bark. You heard it a little bit on the inside of the cab as well but definitely nothing overpowering. I have mentioned a few times throughout the video the value of this system here. It is a more affordable system in the big picture of aftermarket exhaust systems, and that definitely rings true when it comes time to break out the wallet. You're looking at right around 800 bucks for the CGS aluminized steel version of the cat-back. Factor in another 100 or 150 bucks for the stainless steel version. Both of which, again, very affordable and puts it right in line with other affordable options on the site, including Gibson, MAC and even some of the MBRP systems, some of their higher offerings as well. Overall, again, one of the most affordable or more affordable cat-backs here for your S550. Switching gears, let's talk install. For the S550 GT, again, you're really not looking at a tough install with any system for the most part. The CGS falls right in line with that. One out of three wrenches on the difficulty meter. An hour or two tops from start to finish. No cutting, no permanent modification needed. I do want to point out that this will fit any Fastback GT without issue. Convertible owners out there, if you want to go with the CGS system, CGS says you have to put a one-inch spacer on that additional bracing underneath the car or just remove the convertible bracing altogether. Totally your call. As for tools, you're looking at a basic socket set here to remove that factory cat-back, then you can get to work installing the CGS unit in reverse order. I'd recommend starting from front to back. Again, you should be good to go. Just don't forget your race ramps, jack and jack stands or your lift in order to complete the install.While CGS might not be the most recognizable name in the aftermarket exhaust world, they certainly came through and built a solid system, an affordable system and one that's gonna deliver some old school muscle car thumping tone. So that's my review of the CGS aluminized steel cat-back which you can find right here at

      Product Information

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


      • Throaty Muscle Car Sound with no Drone
      • Increase of 30.8 Rear Wheel Horse Power
      • Chambered Performance Mufflers - 304 Stainless Steel
      • Free Flowing X-Pipe Included
      • 3" Mandrel-Bent Tubing w/ 2.5" Step-Down Flanges
      • Durable Aluminized Steel Piping
      • 4" Polished 304 Stainless Steel Tips
      • 50 State Street Legal
      • Proudly Made in the USA
      • Fits All 2015-2017 GT Mustangs


      Throaty Muscle Car Roar. A CGS Motorsports Cat-Back will add a muscle car roar to the sound of your GT's exhaust without the drone. CGS knows you love the sound of an aggressive exhaust, but still want to be able to hear your radio and passengers while tooling around town. That is why CGS developed their Cat-Back Exhaust with an X-Pipe and a set of performance mufflers to give you the throaty sound you want without any of the irritating interior drone.

      More Horse Power. Not only will a CGS Motorsports Cat-Back improve the sound of your GT Mustang, but it will also improve its horse power as well. CGS designed their Cat-Back Exhaust System with an X-Pipe and a pair of high flow, chambered performance mufflers. The mufflers feature a very unique chambered design that was specifically developed to increase exhaust flow for an impressive boost in power. By replacing the restrictive factory mid pipe resonator and mufflers with a CGS Motorsports Cat-Back you can expect to see an increase of 30.8 horsepower at the rear wheels.

      High Quality Construction. CGS Motorsports Cat-Back Exhaust systems are manufactured right here in the USA with pride. CGS uses mandrel-bent 3" diameter aluminized steel tubing for excellent exhaust flow and good corrosion resistance. The included performance mufflers are constructed from high quality, T304 stainless steel that is fully welded for superior strength, with no epoxy adhesives that can fail. This Cat-Back features two massive, 4.0" diameter, slant cut, 304 stainless steel tips for impressive muscle car styling.

      50 State Street Legal. This CGS Motorsports Performance Muffler Cat-Back Exhaust System is 50 state street legal and will not affect factory warranty or emissions standards. CGS Motorsports backs their exhaust systems with a Lifetime Warranty.

      Bolt-on Installation. The CGS Motorsports Cat-Back with X-Pipe was engineered to bolt straight up in the stock location, after the catalytic converters, with no cutting required for installation. This 3" Cat-Back includes 2.5" step down flanges so that it can be installed with the factory or any aftermarket 2.5" exhaust system. Please note, convertible models with the additional brace underneath the vehicle, will be required to use a 1 inch spacer with the brace or would need to remove the brace completely.

      Application. This CGS Motorsports Performance Muffler 3" Cat-Back Exhaust System is specifically designed to fit the 2015 to 2017 GT Mustangs equipped with the Coyote 5.0L DOHC V8 engine.

      Fitment: 2015 2016 2017 Details

      MPN# 60080

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (2)

      Write a Review

      Ratings Summary

      3.0 out of 5 overall rating from 2 customers

      Installation Time: Afternoon

      • September 16, 2019

        2 2016 GT - JoeB Installation Time: Afternoon

        convertible owners beware

        sounds great, looks good. BUT. i have a convertible. 2 stars because it didn't fit as advertised. of note: removing the convertible brace is a PITA without impact tools - ten or so heavy duty bolts. TLDR: convertible bracing would not reattach even with 1" spacers, per a top notch muffler shop. i tried to find these legendary 1" spacers needed for the convertible bracing. googled for an hour, then gave up and tried calling american muscle support. they couldn't give me any part details, but gave me CGS's phone #. called CGS, and whoever answered the phone was more confused than i was and suggested again, 1" spacers. "any auto parts store will have them" - auto zone had no idea what i was talking about. washers? sure. spacers? no. granted i'm no car parts expert, but this was made to sound simple as buying AA batteries. the other option is to leave the bracing off. without it, the car is sloppy in turns and road bumps absorb into the car unevenly and twist the frame back and forth from one rear tire to the other. you can feel the energy absorbing rapidly and out of sync, back and forth like a high speed ping pong match. so, typical me, i waited too long and disqualified my ability to return the product. after a few months of rickety road driving, i got around to taking the car and bracing to the best rep'ed muffler shop in town, per them, no way 1 inch spacers will give the clearance needed to reattach the convertible bracing; (this was my suspicion to begin with when i was eyeballing it during the install, which is why i kept putting it off). the 3" tubing just won't clear. they suggested i take it to a fabrication shop for a custom solution. now i'm seeing another exhaust manufacturer actually lets you pick either coupe or convertible when picking their convertible-compatible exhaust. lesson learned.

        Helpful (1)
      • February 05, 2017

        4 2016 GT - Dee Installation Time: Afternoon

        Cannot beat these for the price!

        I recently purchased these 3 weeks ago and finally got to installing them. They are agrresive sounding on cold starts, tamed deep tone once warm, at idle and cruising speeds. Mash the throttle and it is very mean sounding! you can hear all the glorious bald eagles leaving the exhaust! This exhaust is perfect for the daily driver that isn't obnoxiously loud!

        Helpful (10)

      Questions & Answers (2 answers)

      2 Top Rated Questions

      Does this include the one inch spacer suggested for convertibles? If not, is this some common part I could get at any auto parts or hardware store? Or do they come in many varieties?

      • Unfortunately, this will not include the spacer needed to install this on convertible models. You should be able to get the spacer from any auto parts store or hardware store local to you.

      Helpful (0)

      Does this fix on a 2015 GT Convertible?

      • The Cat-Back Exhaust can fit on the Convertible Models, however you would need to use an 1 inch spacer with the support brace that is on your car, or would need to remove the brace completely.

      Helpful (0)
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      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Passenger Side Muffler Assembly
      • (1) Driver Side Muffler Assembly
      • (1) X-Pipe Assembly
      • (1) Passenger Side Intermediate Pipe
      • (1) Driver Side Intermediate Pipe
      • (2) Step Down Flanges - for use with OE Size Exhaust
      • Clamps

      Tech Specs

      Cat-back Exhaust Specifications
      Piping Material:
      Aluminized Steel
      Tip Material :Polished T304 Stainless Steel
      Piping Size:3" - 2.5" Step Downs IncludedTip Size:4.0"
      Muffler Type:Chambered - T304 Stainless SteelFitment:2015-2017 GT

      Will It Fit My Mustang

      • GT - 15, 16, 17

      Convertible Models with the additional brace underneath the vehicle, will be required to use a 1 inch spacer with the brace or would need to remove the brace completely.

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