MagnaFlow 15590 Exhaust System Kit

Competition Series Cat-Back Exhaust

MagnaFlow part number 15590 is a stainless steel cat-back exhaust system built for drivers who want stronger exhaust flow and a more aggressive sound profile. It is a direct fit exhaust system kit for select Ford Mustang applications and uses a dual split rear exit layout.

• Stainless steel pipe, muffler body, and tips for corrosion resistance
• Straight-through muffler design for freer exhaust flow
• 3-inch main piping for a performance-focused exhaust path
• Dual split rear exit with polished 4-inch round tips
• Clamp-on inlet connection with hangers included

Detailed Product Overview

The Competition Series Stainless Cat-Back System is part of MagnaFlow’s Competition Series line, which focuses on reduced mass, performance-oriented exhaust flow, and a more aggressive exhaust note. This system uses stainless steel construction throughout, including the muffler bodies and welded double-wall tips, with a brushed muffler finish and polished tip finish for a clean appearance under the rear of the vehicle. Part number 15590 is engineered as a cat-back exhaust system kit for 2011-2012 Ford Mustang applications with a dual split rear exit. It is also a fitment-specific exhaust solution for the Ford Mustang when a direct replacement-style cat-back layout is required.

Fitment

• Fits 2011-2012 Ford Mustang, N/A. Notes: Dual Split Rear Exit; Does Not Include X-Pipe with Exhaust Cutouts; Competition Series Stainless Cat-Back System

Common Uses

• Replacing a restrictive factory exhaust with a freer-flowing cat-back system
• Restoring a damaged or corroded exhaust assembly
• Changing exhaust tone to a more aggressive sound profile
• Upgrading to stainless steel components for improved durability
• Improving exhaust appearance with polished round tips

Installation Notes and Tips

Verify vehicle configuration before ordering, since this system is listed for 2011-2012 Ford Mustang applications with dual split rear exit notes. The clamp-on inlet connection and included hangers support a straightforward exhaust installation, but the system does not include an X-pipe with exhaust cutouts. Check local noise regulations before use, as noted by the manufacturer.

Quality Assurance

MagnaFlow identifies this Competition Series system as a stainless cat-back exhaust built for performance, reduced mass, and an aggressive sound character. Part number 15590 is backed by MagnaFlow’s product engineering standards for fitment-specific exhaust applications.