Roush Stainless Steel Axle Back Exhaust Kit for all 2011, 2012, 2013 and 2014 GT Mustangs.
This amazing axle-back exhaust kit from Roush will offer your 2011-2014 5.0-liter Mustang GT a distinct and aggressive sound. The Roush axle-back system is a highly tuned piece of engineering that will avoid the annoying in-cockpit boom, which can occur with other competitive exhaust systems on the market.
Installation is quick, easy, and will use all of the factory hanger locations and pierce points. No modifications to the vehicle are necessary. And all of the hangers are chromed for superior appearance and corrosion resistance. As an added bonus, brand new, high quality OE-spherical clamps are included in the kit to complete the installation without reusing the clamps found on your factory axle-back.
Features and Benefits:
- No Negative Impact on Emission Devices
- Hollow Chamber Yields Higher Airflow
- 4” 304 Stainless Steel Chrome Tips
- Fits Both Ford Factory and Roush Rear Valance
- Higher Air Flow and Less Back Pressure for Increased Horsepower and Torque
- Direct Bolt-In, For an Easy Installation
- Includes All Necessary Hardware and Instructions
*Will also fit 2011-2012 GT500 Mustangs with the stock or Roush rear valance.
Constructed from 409 stainless steel, this axle back exhaust system features an exclusive open-chambered design that will not deteriorate over time, unlike conventional fiberglass roving material. The exhaust tips are made from 304 stainless steel and finished with a unique chrome flashing process. Chrome-flashing on tips provides heat resistance to color change.
Order the Roush Stainless Steel Axle Back Exhaust Kit for your 2011, 2012, 2013 or 2014 Mustang GT from CJ Pony Parts today!
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Product ReviewsWrite a review
What is your best price on the Roush 421127 Axel back exhaist kit
How much hp increase could you expect on a 2014 mustang gt?
This system improve the potency for my mustang 2015?
Can you make the GT kit fit on the V6 or do you have to buy the one for the V6
I have a quick question. Would this axel back exhaust be able to work with the BBR off road x pipe for the 5.0?
Will the Roush axle back exhaust require a retuning or reprogramming of the engine? Would it be available with black tips?
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From:CJ's Low Price:$284.99
The Roush system is completely made out of 409 stainless steel, includes these chrome rolled tips, and comes in an attractive price as well. All the hardware necessary for installation is included. The system is going to give you a nice, aggressive tone and a wide-open and throttle, yet have a nice non-droning sound for normal driving. For this installation you need jack and jack stands or lift, a 3/8 ratchet of impact gun, half-inch deep socket, 15-millimeter deep socket, flat-blade screwdriver, pry bar and safety glasses.
Once you get the back end of your car off the ground, the first step is to remove the factory mufflers. We're going to start by disconnecting the clamps located right here. All this can be done with hand tools, but we're going to use our cordless impact. We're going to remove the passenger side. At this point there is two ways you can get the mufflers off. You can remove the hanger bolts themselves and pull the whole assembly out, or you can unbolt these intermediate pipes, separate the two and then pull the muffler off. We're going to pull the intermediate pipes. Now we are going to separate the intermediate pipe. Now we are going to slide the muffler off the rear hanger. We're going to slide it back off the rear mounts. Now remove the other side in the exact same way.
Now we will install our new mufflers. Make sure you install them with the pipe going towards the inside of the car, hangers going towards the back. Now we will install on the rear hanger. Now we are ready to rehang the intermediate pipe. Let's start by putting the supplied clamp up into place. Now we'll put the intermediate pipe back on. It's a lot easier to put the clamp onto the intermediate and slide it up into place. Now we will line the intermediate up with our new Roush exhaust, clamp over, and tighten it down.
Now we will move on to the passenger side. Now I'll retighten the clamps from the intermediate to the H-pipe. We'll install the clamp onto the tip first, put the tip onto the muffler, and line it up, and then tighten it down. Now we'll install the passenger side in the same way. Line it up and then tighten it down. If you're finding your tip is too close to your valves like ours is here, then loosen the clamp that connects the muffler to the intermediate pipe and twist it outward for more clearance. Our installation is finished.
Our new exhaust looks great. We know most of you aren't buying it for looks, you're buying it for sound. Let's get it outside and see how it sounds. The Roush exhaust gave us a nice aggressive tone, still tame enough for daily driving. Installation should take you no more than an hour; you'll be back on the road in no time.