2005-10 Ford Mustang SLP Loudmouth Axleback GT-GT500 - S197 by SLP

Mustang SLP Loudmouth Axleback (05-10)

Details   |  Description   |  Videos   |  Customer Photos   |  Reviews
Mustang SLP Loudmouth Axleback (05-10)

If you want your 05-10 Mustang to get noticed for the exhaust tone then the SLP Loudmouth Axleback is the system for you!

Item #SLP-M31014
MPN# M31014

Everyday Low Price: $361.95

In Stock

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  • Improve power & torque
  • Good Looks
  • Limited Lifetime Warranty
  • Loud Aggresive Tone
  • 50 State Legal


  • 3.5" Polished Tips
  • No Mufflers
  • 304 Stainless Construction
  • Fits 2005-10 4.6L V8 GT Mustang or 2007-10 Shelby GT500

What's in the Box

  • (2) SLP Loudmouth Muffler Deletes
  • (2) Clamps
  • (1) Instructions

Made in the USA

Product Description

Your 2005-10 GT / 2007-10 GT500 packs a 300-horse thoroughbred of an engine. Why bottle it up with restrictive, wimpy-sounding stock mufflers? Unleash the stallion within, with a Loud Mouth™ rear-section exhaust system from SLP Performance Parts. This affordable, easy-to-install kit eliminates the factory mufflers entirely, drastically reducing backpressure for enhanced power and a mind-blowing performance sound. Nothing else even comes close!

Mandrel-bent 2.5" tubing offers unbeatable flow characteristics
Significantly lighter than the OEM muffler assembly
Installs in under 30 minutes
Constructed entirely from 304 stainless steel
Hand-polished, 3.5" dual-wall tips provide a show-quality appearance
Emissions legal in all 50 states
Includes pre-welded hangers, detailed instructions, and all necessary installation hardware
Covered by SLP’s Performance Guarantee and limited lifetime warranty

Product Videos

Mustang SLP Loudmouth Axle Back Exhaust

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

Customer Photos (3)

Product Reviews (4)

out of 5 stars
5 stars
4 reviews
5 stars    3
4 stars    1
3 stars    0
2 stars    0
1 star    0

4 of 4 REVIEWS
4 of 4 REVIEWS

5 Stars   Loudmouth exhaust
By on 8/5/2014
I just put this on my 2008 Mustang and she sounds absolutely awesome!!! She definitely turns heads and jaws drop now.... Loooovvvveee it!!!!! Thanks!!!!

Yes, I would recommend this item to a friend!

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4 Stars   loud
By on 3/24/2014
really loud fits great

Yes, I would recommend this item to a friend!

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5 Stars   Loud, Sound great, Fit great
By on 1/26/2015
Image uploaded by Neal J. I installed these on my convertible with the stock manifolds and stock cats. The sounds is deep, and aggressive. The fitment is perfect and the tips look great. These are probably one of the loudest mufflers or lack of mufflers that you can buy.

** When installing single 76mm turbo with not catalytic converter, I went back to stock axle back. They are extremely loud when removing the catalytic converters. Loud is for some people but being a daily driver made me take them off.

Yes, I would recommend this item to a friend!

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5 Stars   fit like a glove
By on 1/6/2016
Love the loudmouth! Second one I have purchased. Love the sound.

Yes, I would recommend this item to a friend!

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Vehicle Applications

Ford Mustang - 2005 (05) - 2006 (06) - 2007 (07) - 2008 (08) - 2009 (09) - 2010 (10)

About This Brand

SLP - Packaged Performance, Guaranteed Horsepower
SLP's Loudmouth exhaust is one of the most recognized systems on the market! They strive to offer the highest quality aftermarket components for Latemodel Mustangs! Their high quality exhaust components increase power, performance, and give your Mustang a louder exhaust tone for that true American muscle car sound. Choose from a variety of cat back, axle back, and resonator kits for your Mustang at LatemodelRestoration.com.

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