ARH Mustang GT Long System (2018-2020)

$616.43 (23%)
Part Number: 613 MTC5-18

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The S550 Mustang took the performance of the pony car to another level and impressed everyone, but there is still more power available in the 5.0L engine. The ARH long system is a great way to unlock this power by reducing restriction in the exhaust.

Better performance for the track. Set your Mustang up to make even more power and to perform even better with the ARH long system. The long system removes the restriction that exists in the exhaust system and improves the flow of the gasses for increased power.

Improved sound. The ARH system improves the sound of your S550 with an X-pipe that gives the exhaust a modern performance car sound. The X-pipe provides a throaty tone that screams when accelerating. High-rpm performance is also increased with the X-pipe.

The video below was shot with an X-Pipe equipped Full System with ARH Pure Thunder mufflers. Consider going with the H-pipe option if you are a fan of a classic muscle-car sound. Either setup provides a very low rasp, no drone driving experience.

Product Benefits

  • Throaty tone
  • 3" exhaust to the rear axle
  • 3/8" thick laser-cut flanges for a warp-free seal
  • Outstanding torque and horsepower gains
  • 304 stainless steel
  • Made in the USA

Note: American Racing Headers exhaust systems are designed for off-road use only.

CA Residents: Cancer and Reproductive Harm WARNING

Fitment & Features


Manufacturer: American Racing Headers

Installation Information:

Tools Required: Basic Shop Tools
Install Time: About 7 Hours
Level of Difficulty: Medium

Vehicle Fitment:

Fits Model Year: 2018
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