MagnaFlow X-Pipe 3" Off-Road GT 2011-2012

MagnaFlow: 16400
MSRP: $798.92
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$617.99
Ships from Manufacturer Item will ship directly from the manufacturer1410912000
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Product Description

MagnaFlow 3" Off-Road X-Pipe for 2011-2012 Mustang GTs.

MagnaFlow's off-road x-pipe is made from 3" madrel-bent, 100% stainless steel tubing and has been dyno tested & proven to make power. Designed for use with stock manifolds or shorty headers. Includes all required mounting hardware. Features a 3-piece design.

*Does NOT include catalytic converters.
*This part is not intended for use on public roads or highways (off-road use ONLY!)

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Mustang Applications

This product will fit the following Ford Mustang years:

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Product Video

By Bill Tumas: So far, we've installed a MagnaFlow Stainless Steel Cat-back on our 2011 Mustang GT, and it sounds great. For the next step, we're going to upgrade our H-Pipe. If you're planning on an upgrade to the H-pipe, you want to make sure if you're going with long tube headers, you get an H or an X that works specifically with your long tubes.

In the case of our 2011, we're planning on staying with the factory shorties, or an upgraded shorty, so we can use a stock standard replacement style pipe. Today we're going to remove our factory H-pipe and replace it with the stainless steel off road X-Pipe from MagnaFlow.

This 3 inch X-Pipe from MagnaFlow's a direct replacement for the factory H-Pipe found on all 2011's through 2014 Mustang GT's. Like all MagnaFlow products, it's made of stainless steel, comes in 3 pieces for an easier installation, clamps connect the pieces together, and the rest of it installs with factory hardware.

Keep in mind, since this X-Pipe does not have catalytic converters installed on it, it is for off road use only. The X-Pipe's designed to use the factory nuts when you take off your original H-Pipe. Because of the location, sometimes they strip pretty easily when removing them. You want to pick up new nuts for the installation. They're M10 by 1.5 metric.

For this installation, you need a jack, and jack stands or lift, 1/2 inch impact or 1/2 inch ratchet, several extensions totaling 24 inches total, swivel, 15 mm socket, 7/8ths or O2 sensor socket, 15mm wrench, and safety glasses.

We're going to start the installation by removing the factory H-Pipe. The factory H-Pipe connects to your headers with 2 studs and 2 nuts. These are the nuts up here, we mentioned in the introduction. You may want to get some new ones. Sometimes they get damaged taking them off. These, you can actually reach pretty easily from under the car. The ones on the outside of the catalytic is actually better reached from the engine base. We're going to start up there, remove those first, then come back underneath and remove these.

An impact gun's going to make this step a little bit easier. You'll need quite a few extensions, probably every one you have in your tool box, to reach it. Still a lot easier than coming from underneath. A swivel at the end will make it a little bit easier, as well. Now we'll get the inside nuts off the bottom. Now we're going to loosen up our oxygen sensors. This is a lot easier to do on the car. You get a little more torque on it underneath, as opposed from when the pipe is off the car. Just break them free.

Now we'll disconnect the oxygen sensors from the harness. Do the same thing on the other side. Next, we'll disconnect the back of the factory H-Pipe from our MagnaFlow cat-back. Now we can remove our factory H-Pipe. We're going to install the 2 front parts of the new X-Pipe separately. Want to grab the gaskets off the original. Put the gaskets on first. Slide into place. I'm going to put a little dab of anti-seize on the oxygen sensors and install those.

They're ready to install. I'll put the pipe up into place and connect it with our header. Just want to get it hand-tight for now until we get the rest of the X-Pipe connected. Now we're going to put the X-Pipe connected to our front pipes and then to our MagnaFlow cat-back. I'm going to have RK give me a hand, because I've got one bad shoulder here. Just going to be a little bit of work to get this fitted up into place.

Now we'll get the front nuts snugged up here. You got to get 3 of the 4 of them tightened pretty easy from underneath. Again, with the outside on this one, we're going to go up top and do it from the engine bay. But next, we'll tighten up these clamps, and then, finally, clamps to the tail pipes. Plug both your O2 sensors back in.

Your installation's finished.

Let's fire it up and see how it sounds with our new X-Pipe.

The 3 inch X-Pipe, combined with our new cat-back, gives the car a real aggressive sound.

Our MagnaFlow off road X-Pipe fit really nicely and sounds great with our MagnaFlow exhaust system. Keep in mind, you don't need to have a MagnaFlow cat-back. It'll work with any cat-back, including the stock one. Installation will take you around an hour and a half, so you'll be back on the road in no time.