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Lethal Performance 2011-2014 GT500 3" Aluminized Offroad X-pipe

SKU: LP-162903-A

Manufacturer: Lethal Performance

324.99 $

Availability: In stock

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Lethal Performance 2011-2014 GT500 3" Aluminized Offroad X-pipe

*image is only a representation and may not be accurate

Lethal Performance 2011-2014 GT500 3" Offroad X-pipe

NOTE: We highly recommend running this pipe with a custom tune. If you run this pipe without one not only will the car throw a check engine light but you won't fully benefit from getting rid of the cats. So not only does the tune turn off the rear o2's to prevent the check engine light from coming on it will also turn off the Cat Over Temp protection feature in the tune. That feature dumps fuel in order to cool the stock cats. Since the cat are no longer used with this pipe that feature if not turned off will only richen up the air fuel mixture and result in sacrificing some performance.

Lethal Performance is proud to release our 3" offroad x-pipe for the 2011-2014 Shelby GT500. Just like our offroad x-pipe for the 07-10 GT500 you can expect excellent gains and a more aggressive sounding exhaust. Our offroad X-pipe is made with 3" mandrel bent aluminized steel and is a direct bolt-on requiring no cutting or welding. Installation should take you less than 1 hour using simple hand tools. Just remove the stock catted h-pipe and install our 3" offroad pipe and you can expect gains of up to 15rwhp. We tested a similar 3" offroad X-pipe on our own 2011-2012 GT on UPR's dyno and in 99deg temperature with 93 octane saw a 14rwhp increase over stock. That's on the stock tune, stock catback and stock manifolds.


3" Mandrel Bent Tubing

Aluminized Steel Construction

Direct Bolt-On (Requires no cutting or welding)

Increased Sound and Performance

Up to 14rwhp Gain Over the Stock Catted Mid-Pipe (Dyno Proven)

Includes All Necessary Hardware for Installation

Installs in Less than 1 Hour

**Offroad Use Only**

Manufacturer Lethal Performance
Free Shipping Yes

Customer Reviews

Lethal offload X Review by Gary
I just installed this on my 12 Gt500. It comes nicely shipped and the bend and weld quality is good. I did the install by myself in my garage with the front tires on a couple of harbor freight ramps. The biggest challenge was the space limitations. I barely fit under my car sliding around on my back and I'm a skinny guy. This would have been a lot easier on a lift. Everything is straight forward for the install though. The O2 sensor on the passenger side is extremely difficult to access. It was impossible for me to get my hand up the connector to disconnect it because it is basically between the firewall and the engine. Luckily I had a 7/8 O2 sensor socket that I was able to get on there once I had the downpipe unbolted from the exhaust manifold. It was also the tightest thing I have ever wrenched on. It took everything I had to break it loose with a 12" long 3/8 ratchet. I about had a hernia over it. You will also need a long extension, about 12 inches, and a deep 15mm socket. She sounds good on startup now and I want to say I can here the supercharger wine a bit on startup too. Very happy with the product. (Posted on 4/5/13)

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