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- Loud Mouth II Axle-Back Exhaust System
- 2015 Ford Mustang GT
4" Tips
Versatile Exhaust with Unmatched Performance & Adaptability
Applying the groundbreaking modular technology first seen on Mustang X-pipes, SLP developed an exhaust system that can be reconfigured quickly to accommodate performance, sound quality, and noise level requirements.
Features:
- Modular design allows fast swap of muffler & resonator
- Stainless steel construction to OE standards for proper fit
- Dyno-proven to outperform competitive resonator exhausts
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Loud Mouth: Virtually zero flow restriction with the meanest sound around
Loud Mouth II: Minimal restriction with an aggressive tone yet less resonance
PowerFlo: Superior performance with a deep, rich tone and minimal resonance


