MagnaFlow SYS Cat-Back 05-09 Mustang GT 4.6L Axle-Back

The MagnaFlow Ford Mustang Street Series Axle-Back Performance Exhaust System brings enhanced engine sound and dyno-proven performance to your 4.6L, 5.4L Ford Mustang with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Ford Mustang exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Ford Mustang's exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15882 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty.

Additional Information

Magnaflow Street Series Stainless Axle-Back System

Part Type

Exhaust System Kit

Product Overview

The MagnaFlow 2005-2009 Ford Mustang Street Series Axle-Back Performance Exhaust System 15882 brings enhanced engine sound and dyno-proven performance to your 4.6L, 5.4L 2005-2009 Ford Mustang with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Ford Mustang exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Ford Mustang's exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15882 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• CNC Precision Robotic Manufacturing Techniques
• Durable Corrosion-Resistant Stainless Steel Construction
• Dyno Proven Performance
• Dyno-proven performance

Important Notice relating to US Domestic Market Trucks & Pickups

Many US-market trucks and pickups are available in multiple cab and bed-length configurations (e.g., Single Cab, Extended Cab, Double/Crew Cab, CrewMax, 5.5ft/6.5ft/8ft beds, etc.). Exhaust system fitment can vary between these chassis versions.

Where available, we list all compatible vehicles, cab types, and bed lengths in the product description. However, depending on your exact configuration, some systems may require optional extension/mid-pipes or minor modification for correct fitment.

Because of these variations, please carefully check your cab configuration and bed length before purchasing. If you are unsure, or if your vehicle has been modified, please reach out to a StreetFX agent.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Exhaust System, Rear Axle-Back, 409 Stainless Steel, Polished Tips, Ford, 4.6, 5.4L, Kit

This MagnaFlow Mustang rear axle-back dual exhaust system for 5th-gen (S197) Ford Mustang from MagnaFlow’s Street Series Performance product line fits 2005-2009 4.6L and 5.4L V8 Mustangs, and produces maximum performance and an aggressive exhaust note the commands attention. This MagnaFlow Mustang Street exhaust system delivers the smooth, deep sound you want—and the wide-open performance power you need! They feature straight-through flow designs for the ultimate in unrestricted horsepower and torque, while maintaining exhaust efficiency. These kits are an engineered balance of interior and exterior noise levels and are tested against SAE j1169 standards. Street Series components are built with 409 stainless steel and all mandrel-bent tubing. The systems carry a lifetime construction warranty.