Borla 140458 ATAK Cat-Back Exhaust for 1999-2004 Ford Mustang GT 4.6L

Vehicle Fitment

• 1999-2004 Ford Mustang GT (4.6L V8, RWD; Coupe & Convertible)
• 2003-2004 Ford Mustang Mach 1 (4.6L V8, RWD; Coupe)

Features

• ATAK® Cat-Back™ exhaust system with highly aggressive sound profile
• Premium T-304 stainless steel construction for durability and corrosion resistance
• Mandrel-bent 2.5" tubing for optimized exhaust flow and performance
• Straight-through muffler design for reduced backpressure and enhanced power
• Single split rear exit with polished 4" round rolled angle-cut tip
• Designed for increased horsepower and torque over stock exhaust
• Direct bolt-on installation using factory hangers and included hardware
• Backed by Borla's Million-Mile Warranty for long-term peace of mind

Specifications

• Part Type: ATAK® Cat-Back™ Exhaust System
• Material: T-304 stainless steel
• Piping Diameter: 2.50" mandrel-bent tubing
• Exit Style: Single split rear exit
• Tip Size: 4" polished round rolled angle-cut
• Sound Profile: ATAK - aggressive, performance-oriented
• Fitment: 1999-2004 Mustang GT & 2003-2004 Mach 1 (4.6L V8, RWD)
• Drivetrain: Rear-Wheel Drive (RWD)

Included Components

• 1x ATAK Cat-Back Exhaust Assembly
• 1x Muffler Section
• 1x Intermediate/Connecting Pipe
• 1x Polished 4" Round Rolled Angle-Cut Tip
• All Required Clamps & Mounting Hardware

Product Description

The Borla 140458 ATAK Cat-Back Exhaust System is engineered for performance on 1999-2004 Ford Mustang GT and 2003-2004 Mustang Mach 1 models equipped with the 4.6L V8 and rear-wheel drive. Featuring Borla's ATAK® tuning, this exhaust delivers one of the most aggressive street-legal sound profiles available, offering a commanding tone that complements the Mustang's V8 character. The premium T-304 stainless steel construction and mandrel-bent 2.5" tubing improve exhaust flow and reduce backpressure, helping enhance throttle response and overall performance compared to the stock exhaust.

The system uses a straight-through muffler and a single split rear exit with a polished 4" round rolled angle-cut tip for a bold rear presentation. Installation is straightforward with a direct bolt-on design and all necessary hardware included, making it accessible for DIY or professional installation. Backed by Borla's Million-Mile Warranty, the 140458 is ideal for enthusiasts seeking a powerful sound and improved performance from their Mustang's exhaust system.