BBK 2-1/2" Off-Road X-Pipe for all 1999, 2000, 2001, 2002, 2003 and 2004 GT and Cobra Mustangs and 2003-2004 Mach 1 Mustangs with Stock or Shorty Headers.
Ditch the restrictive catalytic converters on your 1999-2004 4.6L Mustang's factory exhaust system and upgrade to BBK's 2-1/2" Off-Road X-Pipe! This all-new X-pipe from BBK is a direct, bolt-on replacement for all 1999-2004 4.6L 2V and 4V Mustangs, such as GT, Cobra, Bullitt and Mach 1. It is made up of 2-1/2" CNC mandrel bent aluminized tubing with an exclusive die-stamped Xtracter center section to provide maximum flow and horsepower gains of 15-20 depending on application.
Features and Benefits:
- CNC Mandrel Bent 2-1/2" Aluminized Tubing
- Die-Stamped Performance Xtracter Center X Section
- Original O2 Sensor Locations
- Factory Style Die-Stamped Flanges for a Flawless Fit
- Increases Performance and Sound
- Fits with Stock Headers or Aftermarket Shorty Headers
- Includes All Necessary Clamps and Hardware Required for Installation
- Direct-Fit Replacement for all 1999-2004 2V and 4V 4.6L Mustangs
With a premium quality construction and countless hours of in-house dyno testing, BBK's Off-Road X-Pipe is guaranteed to provide your Mustang with years of quality, top-level performance. An off-road X-pipe will also generate a much more aggressive exhaust note due to the innovative crossover design and improved exhaust flow.
All of BBK's full length X-pipes are designed as a direct bolt-on to your Mustang's factory headers or aftermarket shorty headers. Of course, BBK Shorty Headers are always recommended for ultimate performance gains on the track.
Please Note: Off-Road X-pipes are designed without catalytic converters and are manufactured and represented for the sole purpose of off-road race use only!
*This BBK X-pipe is not legal for use in California or any state that has adopted California emissions standards.
Upgrading your SN95 Mustang for more power can always be a challenge. Most every owner wants to install the best possible parts that are available for the least cost. However, with parts from BBK Performance, you will get extremely high quality products for your Mustang that are available at a very reasonable cost. CJ Pony Parts offers a huge variety of parts from BBK Performance so you can give your Mustang the performance boost it deserves.
Order the BBK 2-1/2" Off-Road X-Pipe for all 1999, 2000, 2001, 2002, 2003 and 2004 GT and Cobra Mustangs and 2003-2004 Mach 1 Mustangs with Stock or Shorty Headers from CJ Pony Parts today!
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Product ReviewsWrite a review
How long will shipping take to deliver in Oklahoma
Will this BBK X pipe for the 02 GT fit Automatic also ??? this would be a good thing to put on the description portion ....
Can this be shipped to california? I know it says its not legal for use, but I want it for the track if i buy it.
I have a stock exhaust on a 99 Mustang GT will the X pipe hook right up to it.
Does it come with a gasket?
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BBK's X-pipe comes with a three piece modular design, making it a lot easier to install. You have your main X-pipe here and then the front two pipes disconnect to install on the Mustang. All four bungs for your O2 sensors are already installed, as well. The only thing you'll need for installation is a new gasket for the passenger side.
Before the installation, we'll start it up to give you an idea of a sound clip ahead of time. Keep in mind the only modification currently is a set of Flowmasters. It sounds pretty good. We're expecting some nice gains with our X-pipe.
For this installation you'll need a jack and jack stands or lift, 1/2" ratchet, 15 mm deep socket, 15 mm shallow socket, swivel, an assortment of extensions, 3/8 ratchet, 15 mm socket, 14 mm socket, 15 mm wrench, hammer, oxygen sensor or 7/8 wrench, flashlight, and safety glasses.
To remove our factory pipe, we'll have to remove two nuts off of each of these ends here and two nuts on each side of the front, plus disconnect our oxygen sensors. These sensors will be able to disconnect from here. We'll actually have to get the pipe down to be able to reach the ones on the top because they're near the top of your transmission.
We're going to start with the passenger side. It's the more difficult one to get to. If you'll look you can see the stud with the knot all the way up past our oxygen sensor wire. There's one on the top and one on the bottom. You will need extensions, as well as a swivel, to get to these. The driver's side is a little easier to get to, you can see what you're doing here. Now we'll remove the nuts on the back of the studs here so we can separate our factory H-pipe from our flow tubes.
Now we'll tap the flange just to separate. We'll start by disconnecting the driver's side sensors because you can reach that one a little bit easier, when disconnected, we'll lower down our factory H-pipe. We'll spray some Blaster on these to get them off. Now we can remove the sensors so we can transfer them to our new pipe. They are location specific so wherever you take them off at you want to make sure you put them on the new pipe in the same location.
We're going to start with the flange for the passenger side. BBK provides a little anti-seize packet with their hardware. You want to put a couple of dabs on the oxygen sensor before you reinstall it. We're going to remove our original gasket and replace it with our new pipe. We'll start by putting a new gasket up into place and plug our sensor back in.
Start by connecting the second part of our pipe to our factory exhaust. You'll want to start by lining up the passenger pipe. The reason we start with this one is this pipe is fixed. You really can't adjust it because the flange is flat. You'll want to adjust this and move it so this pipe lines up. If this one is not lined up afterwards the front pipe is a ball end flange so we'll have a little bit of adjustment. We can loosen it up and line it up with this pipe here. You can see this one's off a little bit so we're going to loosen this pipe up, center it a little bit more, and then tighten it back up. Now, we'll start tightening up the back of our X-pipe where it connects to our mufflers. Now, we'll tighten up the clamps.
The last step is to plug in our oxygen sensors. When you're taking the cats off the car you will have to turn the O2 sensors off in some way. When using MIL eliminators this is where you install them. If you're not you can turn off with the tuner, which is what we're going to do with our car. I'll use a zip tie just to tie these up out of the way and our installation is finished.
Now, we'll see how it sounds with the X-pipe. A lot more aggressive, just what we were expecting. Getting rid of our clog stock cats in favor of the BBK X-pipe really woke up our '03 Cobra. Installation should take you no more than around an hour. You should be back on the road in no time.