Magnaflow 11229 3" SS Muffler 14x4x9 Universal Performance

Vehicle Fitment

• Universal fit - designed for custom and replacement exhaust systems; not vehicle-specific

Features

• 14" x 4" x 9" stainless steel performance muffler
• 3.0" inlet and 3.0" outlet diameter for larger exhaust systems
• Straight-through perforated core for free-flowing exhaust
• Acoustic packing for deep, smooth Magnaflow tone
• Robust stainless steel shell resists corrosion and high temperature
• Reversible/bi-directional design for flexible installation
• Enhances exhaust flow and reduces backpressure
• Ideal for performance upgrades or replacing restrictive stock mufflers

Specifications

• Part Number: Magnaflow 11229
• Type: Performance straight-through muffler
• Core Dimensions: 14" length x 4" height x 9" width
• Inlet/Outlet Diameter: 3.0"
• Material: Stainless steel (SS)
• Design: Straight-through perforated core
• Installation: Universal - weld-on or clamp-on required
• Orientation: Reversible/bi-directional

Included Components

• 1x Magnaflow 3" stainless steel performance muffler (11229)

Product Description

The Magnaflow 11229 is a premium universal performance muffler engineered to deliver improved exhaust flow and the deep, smooth tone Magnaflow is renowned for. Built with a 14" x 4" x 9" stainless steel body and a straight-through perforated core, this muffler reduces backpressure compared to many stock units, helping support performance gains and a more aggressive sound profile.

With a 3.0" inlet and outlet diameter, the 11229 integrates seamlessly into larger custom or replacement exhaust systems using common 3" piping. Its durable stainless steel construction resists corrosion and high heat, while the reversible, bi-directional design allows versatile installation in various custom exhaust configurations. Ideal for performance builds, custom exhaust systems, or upgrading restrictive stock mufflers, this universal unit combines quality construction, smooth flow, and signature Magnaflow sound.