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SLP Performance Axle-Back Exh, 2011-14 Must GT/2012-13 Boss 302/2011-12 GT 500 LM w/4" Tips Ford Mustang 2011-2014

$457.99 Sale:$439.99

SLP Performance

Model #M31023

In Stock

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This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.


  • Title: Axle-Back Exh, 2011-14 Must GT/2012-13 Boss 302/2011-12 GT 500 LM w/4" Tips


Axle-Back Exhaust, "LoudMouth" w/4" Tips

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

Vehicle Engine Notes
Ford Mustang
Boss 302
  • Axle-Back Exhaust, "LoudMouth" w/4" Tips
Ford Mustang
  • Axle-Back Exhaust, "LoudMouth" w/4" Tips
Ford Mustang
Shelby GT500
  • Axle-Back Exhaust, "LoudMouth" w/4" Tips

Excludes SLP Overstock Parts, NON-SLP, Parts and Accessories, SLP Wheels; SLP Superchargers;SLP Competition Parts, and SLP Crate Engines, which the warranty coverage for the foregoing, if any, is separate from that explained here.


90 Days from the date of retail purchase by the original end-user purchaser


If we determine that a Part(s) is defective, and it was returned for warranty reasons within the Warranty Period, at our option we will either (1) repair the Part(s) at no charge or (2) replace the Part(s) with one that is new. A replacement Part(s) that has been installed in accordance with SLP's instructions, assumes the remaining warranty of the original Part(s) replaced. If a Part(s) or any component thereof is exchanged, the replacement becomes your property and the returned Part(s) or component becomes SLP's property. Part(s) or any component thereof provided by SLP to you to fulfill its warranty obligation must be used in the Part(s) for which warranty service is claimed.

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