MagnaFlow Competition Series Cat-Back Exhaust

2008–2014 Dodge Challenger SRT8 6.1L / 6.4L 392

Part #: 16885

Overview

The MagnaFlow Competition Series Stainless Cat-Back Exhaust with Quad Round Tips is designed specifically for the 2008 to 2014 Dodge Challenger SRT8 equipped with the 6.1L or 6.4L 392 HEMI engines. This high-performance exhaust system replaces the factory components from just after the catalytic converter to the rear of the vehicle, delivering a perfect blend of aggressive exterior sound and refined interior tone. Ideal for enthusiasts seeking enhanced exhaust flow, improved throttle response, and a commanding exhaust note, this system elevates both the driving experience and the visual appeal of the Challenger.

Engineered for durability and performance, the Competition Series exhaust is a direct-fit upgrade that requires no modifications, making it a straightforward enhancement for muscle car owners who demand quality and style.

Key Features

Built to meet the needs of performance-minded drivers, this MagnaFlow exhaust system offers a range of advanced features:

• Constructed from corrosion-resistant stainless steel for long-lasting durability
• 3-inch mandrel-bent piping to maximize exhaust flow and reduce restrictions
• Two straight-through mufflers designed to balance aggressive sound with moderate interior noise levels
• Quad split rear exit featuring 3.5-inch polished welded-on double wall angle-cut folded-edge tips for a striking appearance
• Cat-back layout replacing exhaust components from just after the catalytic converter to the rear
• Precision 3D scanning and CNC robotic manufacturing ensure a perfect direct-fit installation
• Includes all necessary hangers and clamps for a secure, hassle-free fit
• Clamp-on inlet type for ease of installation and future maintenance
• Backed by MagnaFlow’s limited lifetime warranty for peace of mind

Construction & Design

This exhaust system is expertly crafted from premium stainless steel, offering superior resistance to rust and corrosion compared to standard materials. The 3-inch mandrel-bent tubing maintains consistent diameter through bends, preserving exhaust velocity and minimizing flow restrictions. The two straight-through mufflers utilize a perforated core wrapped in sound-absorbing material to deliver a deep, aggressive tone without excessive cabin drone. The quad split rear exit with polished double wall tips not only enhances the Challenger’s aggressive styling but also ensures durability and a clean finish that resists discoloration over time.

Performance & Sound

The MagnaFlow Competition Series Cat-Back Exhaust is engineered to improve exhaust scavenging and reduce backpressure, which can contribute to enhanced throttle response and overall engine efficiency. The aggressive exterior sound profile commands attention on the street while maintaining a moderate interior sound level, allowing for comfortable daily driving without overwhelming cabin noise. This balance makes it an excellent choice for drivers who want a performance edge without sacrificing refinement.

Installation & Fitment

Designed as a direct-fit replacement for the 2008–2014 Dodge Challenger SRT8 with 6.1L or 6.4L engines, this cat-back exhaust installs easily using factory mounting points and included hardware. The clamp-on inlet design simplifies the installation process, requiring no cutting or welding. All necessary hangers and clamps are included to ensure a secure and professional fit. Enthusiasts can expect a straightforward upgrade that maintains factory alignment and clearance.

What's Included

• Competition Series Cat-Back Exhaust system
• 3-inch mandrel-bent stainless steel piping
• Two straight-through mufflers
• Quad split rear exit with 3.5-inch polished double wall angle-cut folded-edge tips
• Hangers and clamps for installation

Ideal For

This exhaust system is perfect for Dodge Challenger SRT8 owners who want to enhance their vehicle’s performance and sound without compromising daily drivability. It suits enthusiasts looking for a durable, high-quality exhaust upgrade that delivers a bold, aggressive tone and a visually striking quad-tip finish. Whether for spirited street driving or weekend cruising, this MagnaFlow Competition Series exhaust adds both style and substance to the iconic muscle car.

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.