MagnaFlow Round Glasspack Performance Exhaust Muffler

1980–1996 Dodge Charger, Dodge Viper, Jeep Scrambler, Jeep Wagoneer, Lexus GS300, Mitsubishi 3000GT

13134

Overview:

The MagnaFlow Round Glasspack Performance Exhaust Muffler 13134 is designed to deliver a classic deep exhaust tone combined with proven performance enhancements. This muffler is ideal for enthusiasts seeking to add a distinctive hot rod sound and improved exhaust flow to their vehicle. Its versatile design fits a wide range of popular models from the 1980s and 1990s, including the Dodge Charger, Dodge Viper, Jeep Scrambler, Jeep Wagoneer, Lexus GS300, and Mitsubishi 3000GT.

Whether you are restoring a vintage muscle car or upgrading your performance ride, this muffler offers a balance of style, durability, and sound quality. The red finish adds a unique visual appeal while maintaining the timeless glasspack muffler look.

Key Features:

This MagnaFlow glasspack muffler combines classic design with modern manufacturing techniques to ensure reliable performance and longevity. Key features include:

• 3.5-inch diameter round body with a 2.25-inch inlet/outlet for universal fitment
• Reversible straight-through design for optimal exhaust flow and sound tuning
• Durable aluminized steel construction resists corrosion and extends service life
• Distinctive red finish for a stylish yet timeless appearance
• Manufactured using CNC precision robotic technology for consistent quality
• Dyno-proven performance that enhances exhaust scavenging and horsepower potential
• Classic deep, aggressive glasspack tone favored by hot rod and muscle car enthusiasts
• Compatible with multiple vehicle models from 1980 to 1996, ensuring broad application
• Backed by MagnaFlow’s 90-day limited construction warranty for peace of mind

Construction & Design:

The MagnaFlow 13134 muffler is crafted from aluminized steel, providing excellent resistance to rust and corrosion commonly caused by heat and road elements. Its round glasspack design features a straight-through perforated core wrapped in sound-absorbing fiberglass packing, which produces the signature deep and smooth exhaust note.

Advanced CNC robotic manufacturing ensures precise welds and consistent dimensions, allowing for reliable fitment and durability. The reversible design offers flexibility during installation, enabling you to orient the muffler for the best fit and sound characteristics within your vehicle’s exhaust system.

Performance & Sound

This muffler is engineered to improve exhaust flow by minimizing backpressure, which can enhance engine efficiency and throttle response. The glasspack design delivers a rich, throaty exhaust tone that is louder and more aggressive than stock mufflers, making it a popular choice for muscle car and hot rod enthusiasts who want to stand out on the road.

Its free-flowing construction helps unleash the natural sound of your engine while maintaining a controlled, non-annoying drone level. This balance makes it suitable for daily driving as well as spirited weekend cruising.

Installation & Fitment:

The MagnaFlow 13134 is designed as a universal fit muffler with a 2.25-inch inlet and outlet, making it adaptable to a variety of exhaust setups. While it fits specific models such as the Dodge Charger (1983–1986), Dodge Viper (1992–1996), Jeep Scrambler (1981–1985), Jeep Wagoneer (1980–1985), Lexus GS300 (1993–1996), and Mitsubishi 3000GT (1996), professional installation is recommended to ensure proper alignment and secure mounting.

Depending on your vehicle’s exhaust configuration, minor modifications or additional adapters may be required. Always verify local noise regulations before installation to ensure compliance.

What’s Included

• MagnaFlow Round Glasspack Performance Exhaust Muffler (Part #13134)
• Protective red finish coating
• Installation instructions (where applicable)

Ideal For:

This muffler is perfect for classic car restorers, muscle car enthusiasts, and performance-minded drivers who want to enhance their vehicle’s exhaust sound and flow without sacrificing style or durability. It suits owners of vintage Dodge, Jeep, Lexus, and Mitsubishi models looking to upgrade their exhaust system with a proven, high-quality glasspack muffler.

MagnaFlow is a performance exhaust manufacturer best known for cat‑back and axle‑back systems, mufflers, and catalytic converters engineered for quality sound and improved flow. Their vehicle-specific exhaust options span muscle, import, and truck applications—making MagnaFlow a staple upgrade when you want a deeper tone, cleaner fitment, and a proven performance-focused exhaust setup.