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SLP Loudmouth LM-2 Axle-Back Exhaust (15-18 EcoBoost)

Market Price $543.14 You Save 11% ($58.19)
Our Price

$484.95 (kit)

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  • Item 397983
  • MPN# 620062

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Features & Details

  • Powerful Sporty Sound
  • Improves Horsepower and Torque
  • Free-Flowing Muffler Style
  • 5" Mandrel-Bent Stainless Steel Tubing
  • Resonators Included
  • Polished 304 Stainless Steel Tips
  • Quick Cut and Clamp Install
  • Fits 2015-2018 EcoBoost Mustangs
Muscle Car Tone. Announce your arrival at the starting line (or the stoplight) with a snarl. With a straight 2.5-inch stainless steel pipe, advanced regulators and a pair of straight-through mufflers, the SLP LoudMouth LM-2 Mustang Axle-Back Exhaust System is designed to give you a sporty muscle car sound with nominal harshness.

Added Horsepower. SLP equipped the Loudmouth II Axle-Back Exhaust system with a 2.5" mandrel-bent tubing and free-flowing, straight-through mufflers to give it completely unrestricted exhaust flow, and that'll give you better horsepower and torque for faster launches and more.

Durable, Lightweight Build. The Loudmouth II mixes durability with light weight by using mandrel-bent stainless steel tubing and 304 stainless steel tips, helping your shed pounds on your Mustang for better performance.

Cut & Clamp Installation. In less than an hour, you'll have the LoudMouth II Axle-Back Exhaust system set up and ready to go. SLP gives you everything you need for an easy cut and clamp installation in the box.

Application. The LoudMouth II Axle-Back Exhaust system to built to fit 2015-2018 EcoBoost Mustangs.
What's in the Box
  • (1) Left Muffler Assembly
  • (1) Right Muffler Assembly
  • (2) Exhaust Tips (Slash Cut)
  • (1) Hardware Kit
  • (2) 2.5" Clamp
  • (2) 2.25" Clamp
  • (1) Installation Instructions
Installation Info

Customer Photos

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Q & A

Ask a Question

Is there a U-tube vid covering the sound of this unit? It sounds good to me on the GT vid but the ecoboost sound icon rates this in the red. I want something in the green, louder than stock but not very noticeable while running at speed. Thanks.


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