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OEM parts often times are designed for efficiency of manufacturing, cutting costs and driver comfort. Unfortunately performance is often not a priority – as seen on the very restrictive factory 5.4 GT500 Axle Back setup on the 5.4L Mustang GT500 motor.

LTH has developed a high-performance axle back exhaust system for the 5.4L motor found in the Ford Mustang GT500.


Designed using the latest in CCM and CAD technology the axle back is a masterpiece. The end goal of aggressive sound along with drone-free cruising has been achieved with the LTH axle back.


5.4 GT500 Axle Back Key Features

  • Custom designed mufflers for superior sound quality
  • Titan™ finish for added durability
  • Modular design allows for use with OEM components
  • Developed for best balance of low end and top end power.
  • Precision designed for perfect fitment.
  • Manufactured in house in the USA
  • Lifetime warranty, as always

5.4 GT500 Axle Back

The Mustang GT500 sounds incredible, even in stock form. The only problem is that noise is way too quiet. LTH uncorks the 5.4L V8 and lets this incredible motor sing the way that it should from the factory. With a simple axle back exhaust, your Mustang can go from bland to unreal in an afternoon. For many Mustang owners, an exhaust is the first modification. This is for good reason, as the 5.4L V8 sounds amazing. Additionally, your Mustang can pick up some more horsepower in the process.


While an axle back is mostly done for sound, it can make some real power when combined with the right pieces. LTH designs exhaust systems to be as modular as possible. What this means is you can buy an axle back now and down the line add in the mid exhaust and headers. Combined with headers and a mid exhaust, this axle back will really sing. The 5.4L V8 engine makes the right noise when you give it a chance. Uncork your Mustang’s exhaust today!

Ford Mustang GT500 (’07-09) 5.4 GT500 Axle Back Exhaust System

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