SLP

SLP 1999-2004 Ford Mustang 4.6L LoudMouth Cat-Back Exhaust System - M31007

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SKU:
SLPM31007
UPC:
871782000911
MPN:
M31007
Availability:
Regularly stocked product
$775.11
Current Stock: 2

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Description

What vehicles is the SLP LoudMouth Cat-Back Exhaust System compatible with?
The SLP LoudMouth Cat-Back Exhaust System is designed specifically for the 1999-2004 Ford Mustang 4.6L, ensuring a precise fitment.

How difficult is it to install the SLP LoudMouth Cat-Back Exhaust System?
Professional installation is recommended for the SLP LoudMouth Cat-Back Exhaust System to guarantee optimal performance and a secure fit.

SLP LoudMouth Cat-Backs unleash a powerful, race-inspired exhaust note for your 1999-2004 Ford Mustang 4.6L, scoring a 9 for exhaust note/sound. Featuring a 2.5 inch diameter system and mandrel-bent tubing, this cat-back delivers optimized exhaust flow. Experience an aggressive, visceral sound that commands attention and transforms your driving.

What Owners Say

Owners and enthusiasts consistently praise the SLP LoudMouth for delivering an aggressive, deep growl that transforms the exhaust note, especially under full throttle. The sound is universally described as beefy and satisfying, with noticeable improvement over stock even at idle. However, the "LoudMouth" name isn't just marketing—these systems are genuinely loud, with multiple owners warning they can be obnoxiously so, particularly in catless configurations. Those seeking maximum volume appreciate the intensity, while some suggest considering quieter alternatives if drone or volume concerns matter. The system has earned its reputation among the Mustang and Corvette communities as a go-to choice for drivers who want their performance heard.

Key Features

  • SLP 1999-2004 Ford Mustang 4.6L LoudMouth Cat-Back Exhaust System

Why Choose the SLP LoudMouth Cat-Backs

Delivers an aggressive, race-inspired exhaust note that commands attention.

Transforms your driving experience with a visceral, exhilarating sound.

Boosts your Mustang's performance with optimized exhaust flow.

Achieves a deeper, more resonant tone for your 4.6L engine.

Who Is This For?

Street Performance — 8/10
Enhances exhaust note for street driving.

Track / Autocross — 7/10
Provides a race-inspired exhaust note.

Drag Racing — 7/10
Unleashes a powerful, race-inspired exhaust note.

Exhaust Note / Sound — 9/10
Unleashes a powerful, race-inspired exhaust note.

Engine Performance — 6/10
Cat-back system may improve exhaust flow.

Visual / Aesthetic Upgrade — 5/10
Cat-back exhaust systems often improve appearance.

Frequently Asked Questions

What vehicles does the SLP LoudMouth Cat-Back fit?

Designed for performance, the SLP LoudMouth Cat-Back exhaust system fits 1999-2004 Ford Mustang models equipped with the 4.6L engine. Owners should confirm fitment with their specific vehicle to ensure perfect compatibility. This precise engineering delivers an ideal enhancement for your Mustang.

How difficult is installing the SLP LoudMouth Cat-Back system?

Installation of the SLP LoudMouth Cat-Back is a straightforward process for experienced hands. Professional installation is recommended, and confirming with a qualified technician ensures proper setup. This guidance guarantees correct system functionality and optimal sound.

What performance benefits does the SLP LoudMouth Cat-Back offer?

Experience an aggressive, race-inspired exhaust note with the SLP LoudMouth Cat-Back system. It achieves an outstanding 9 out of 10 for "Exhaust Note / Sound" and an 8 for "Street Performance" in usage assessments. This system significantly transforms your driving experience with its visceral, exhilarating sound.

Is the SLP LoudMouth Cat-Back a worthwhile upgrade over the stock exhaust?

Upgrading to the SLP LoudMouth Cat-Back vastly enhances your Mustang's character compared to stock. It delivers an aggressive, race-inspired exhaust note and boosts performance with optimized exhaust flow. This upgrade provides a deeper, more resonant tone and a truly exhilarating driving experience.

What defines the SLP LoudMouth Cat-Back system?

Unveiling a powerful, race-inspired exhaust note is the hallmark of the SLP LoudMouth Cat-Back system. It boosts your 4.6L Mustang's performance with optimized exhaust flow, achieving a deeper, more resonant tone. This system transforms the driving experience, commanding attention on the road.

Vehicle Compatibility

YearMakeModelSubmodel
1999–2004FordMustangGT
1999–2004FordMustangBase
1999–2004FordMustangSVT Cobra
2000FordMustangSVT Cobra R
2001FordMustangGT Bullitt
2003–2004FordMustangMach 1
2003FordMustangSVT Cobra 10th Anniversary

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Warranty Information

This Part Fits:

YearMakeModelSubmodel
1999-2004FordMustangBase
1999-2004FordMustangGT
2001FordMustangGT Bullitt
2003-2004FordMustangMach 1
1999,2001,2003-2004FordMustangSVT Cobra
2003FordMustangSVT Cobra 10th Anniversary
2000FordMustangSVT Cobra R
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Additional Information

Case Lot Quantity:
1
Category:
Exhaust, Mufflers & Tips>Catback
Clearance Item:
N
MPN:
M31007
Proposition 65:
Y
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