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Pypes Beast Super System (05-10 GT)

Item 20122
AmericanMuscle no longer carries the Pypes Beast Super System (05-10 GT). Please check out 2015-2021 Mustang Exhaust Combos for an updated selection.
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    Video Review & Installation

    Hey, guys. Stephanie with here with my review of the Pypes Off-Road Shorty X-pipe available for Pypes long tube header equipped 2005 to 2010 GT Mustangs. Whenever you go from a shorty or a factory header setup to a long tube, you're going to need to change your midpipe to a shorty midpipe. There are a few options out there, but the general rule of thumb tends to be that you should not mix brands. If you want Pypes long tubes, you should stick with a Pypes midpipe. So as far as who this is going to be for, this shorty X-pipe is going to be for the GT Mustang owners that plan on upgrading to long tubes but want to do so in a cost effective way so they're looking at the Pypes long tube headers. Long tubes and a shorty midpipe go hand in hand since you need one to install the other. Usually, those installing long tubes are looking for power gains and an improvement in sound as well. Long tubes and a shorty midpipe have a different iconic type of sound that's hard to ignore. Along the lines of gains, long tubes and a shorty midpipe usually give midrange to top end gains, generally speaking. You may not necessarily be installing the long tubes and a shorty midpipe for sound, but you are going to get a huge change in sound. The long tubes alone are going to change the sound of your exhaust. When you combine that with changing the midpipe, you can expect a pretty big difference in sound, and you're looking at a brand new sounding Pony when you're done. Looking more at the midpipe itself, we're looking at a two and a half inch midpipe that's going to work with the Pypes headers. This is a stainless steel X-pipe, which is really nice to see from an inexpensive midpipe since the material of the midpipe drives the price point. You get the best of both worlds here with a corrosion resistant midpipe and a low price. This is an off road X-pipe, meaning that it has no cats. Normally, an X-pipe is going to have more of a louder, raspier sound as opposed to the deeper note of an H-pipe. Being catless means that this X will flow more than the factory midpipe would for sure, but you have to keep in mind things like emissions, and there's always that chance of the check engine light. But speaking of the check engine light, when you switch over to running long tubes you will need a tune. A tune here will not only help you get everything out of those expensive mods, but one of the main purposes of the tune with long tubes is to turn off the rear O2 sensor so you won't be getting a check engine light. Circling back around their price, you're looking at spending just over $200 for this X-pipe right here. Also, keep in mind that you won't be running this midpipe without a set of Pypes long tube headers, so you can factor those into the price of the shorty X-pipe. These items go hand in hand since you can't really install one without the other, which is another reason why long tube headers are an investment. So at the end of the day, you're looking at both power and sound gains here. Keep in mind that all of your gains will change depending on your setup and your tune, and in addition to that, you're also going to get an awesome change to your exhaust tone. The install of the X-pipe alone is not difficult at all. It's just a basic midpipe swap that doesn't involve removing any other items or any cutting. But, since you'll most likely be installing this along with those Pypes long tube headers, you can expect a project. Because of the combo install you can expect a full three out of three wrenches on this one, and a full day in the garage if you do decide to tackle this yourself. If you don't have a helping hand or you don't have much experience in this area, it might be better to just take the car to a shop for the install. If you do tackle this yourself, just know that you can do it on a jack and stands but a lift would make it easier for sure. Like I said before, the midpipe is easy enough to install. The difficult part will be installing the headers. You're going to need your toolbox for the install along with an assortment of different sockets, wrenches and extensions. A lot of this install obviously requires working in some pretty tight areas. While everything is straightforward, getting access in this area is usually tricky. Having a helping hand in this case is really going to benefit you. At the end of the day, it's all going to be worth it. So wrapping this up here, the Pypes shorty X-pipe is going to be a must have for anyone that's looking at running Pypes long tube headers. It's an off road stainless steel X-pipe. And as always, I suggest you check it out more online for yourself. I'm Stephanie, and for all things Mustang, keep it right here at

    Product Information

    Features, Description, Q&A, Specs & Installation


    • Improves Exhaust Flow for More Power & Torque
    • Aggressive Exhaust Note
    • Complete Exhaust System
    • 304 and 409 Stainless Steel Construction
    • For Off-Road Track Use
    • Fits 2005-2010 GT or Bullitt Mustangs


    Increases Horsepower and Torque. The Pypes Beast Super System will greatly improve your S197 Mustangs exhaust flow over the restrictive stock manifolds and piping for a measurable increase in rear wheel horsepower and torque.

    Complete Kit. The Pypes Beast Super System is a complete exhaust system that includes a pair of Polished Long Tube Headers, an Off-Road Shorty X-Pipe, and the "Pype-Bomb" Mid-muffler Super System Cat-Back system.

    Aggressive Throaty Sound. This Pypes Beast Super System features two high flow straight-through M-80 Bullet Mufflers that are mounted directly after the off-road X-Pipe to produce an aggressive deep throaty muscle car tone with the help of the same stainless steel resonator tips that Pypes uses on their signature "Pype-Bomb" Axle-Back Exhaust kit.

    Quality Materials. The Headers are constructed from free flowing mandrel-bent 1-5/8" polished 304 stainless steel, where the X-Pipe and Cat-Back are made from 2.5" 409 Stainless Steel tubing with a set of 4" polished 304 stainless steel resonator tips for great modern Muscle Car styling.

    Application. The Pypes Beast Super System Exhaust kit is specifically designed to simply bolt-on in place of existing stock exhaust system on the 2005 to 2010 4.6L GT or Bullitt Mustang for more power and a louder more aggressive sound. Intended for off-road track use.


    CA Residents: WARNING: Cancer and Reproductive Harm -

    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (1) Driver side header
    • (1) Passenger side header
    • (2) Gaskets
    • (1) Shorty Off-Road X-Pipe
    • (2) Muffler assemblies
    • (2) Over axle pipes
    • (2) Tailpipes
    • (8) 2.5" clamps
    • Hardware

    Tech Specs

    Header Specifications
    Header Type: Long Tube Finish : 304 Stainless steel
    Type Mid Pipe Required: Pypes Shorty X Fitment: 2005-2010 GT

    Mid Pipe Specifications
    Style Mid Pipe: Shorty "X" Type Headers Required: Long
    Piping Material: 409 Stainless Steel Piping Size: 2.5"
    Catalytic Converter: "No" - For off-road use only Fitment: 2005-2010 GT Mustangs

    Cat-Back Exhaust Specifications
    Piping Material: 409 Stainless Steel Tip Material : Polished 304 Stainless Steel
    Piping Size: 2.5" Tip Size: 4"
    Muffler Type: Straight-through Fitment: 2005-2010 GT Mustangs

    Questions & Answers

    10 More Questions

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