Crown Auto Exhaust Muffler

2007–2018 Jeep Wrangler JK 2.8L/3.8L Engines

Part #: 52059937AI

Overview

The Crown Auto Exhaust Muffler is a direct-fit replacement designed specifically for Jeep Wrangler JK models from 2007 through 2018 equipped with 2.8L and 3.8L engines. Engineered to restore your vehicle’s exhaust system performance and sound quality, this aluminized muffler offers durability and corrosion resistance for long-lasting use. Ideal for Jeep owners seeking a reliable, OEM-quality exhaust component that maintains factory fitment and function.

This muffler is perfect for those who want to replace a worn or damaged exhaust part without compromising on quality or fit. It utilizes existing hardware and includes hangers for straightforward installation, making it a practical choice for both DIY enthusiasts and professional mechanics.

Key Features

Designed to meet or exceed OEM specifications, the Crown Auto Exhaust Muffler delivers dependable performance and durability. Key features include:

• Aluminized steel construction for enhanced corrosion resistance and extended service life
• Direct-fit design tailored for Jeep Wrangler JK 2.8L and 3.8L engines from 2007 to 2018
• Includes exhaust hangers for secure mounting and easy installation
• Compatible with existing factory hardware to simplify replacement
• Restores proper exhaust flow and muffling for optimal engine operation
• 12-month warranty for added peace of mind
• Maintains factory sound characteristics without excessive noise
• Precision-engineered to ensure leak-free sealing and fitment

Construction & Design

The muffler is constructed from aluminized steel, combining the strength of steel with a protective aluminum-silicon alloy coating. This design choice provides superior resistance to rust and corrosion caused by road salts, moisture, and heat cycles common in exhaust systems. The muffler’s internal chambers and baffles are engineered to reduce exhaust noise while maintaining efficient flow, preserving engine performance and fuel economy.

Its direct-fit design ensures that the muffler aligns perfectly with the Jeep Wrangler JK’s exhaust piping and mounting points, minimizing installation time and eliminating the need for modifications or custom fabrication.

Installation & Fitment

Installation is straightforward thanks to the muffler’s OEM-style fitment and included hangers. This product is designed to use your vehicle’s existing exhaust hardware, allowing for a hassle-free replacement process. Whether you are performing a routine exhaust repair or upgrading a damaged muffler, this Crown Auto part fits precisely on Jeep Wrangler JK models with 2.8L and 3.8L engines from 2007 to 2018.

No welding or cutting is typically required, making it an excellent option for both professional shops and experienced DIY installers.

What's Included

• One aluminized steel exhaust muffler
• Pre-installed exhaust hangers for mounting
• 12-month manufacturer warranty documentation

Ideal For

This muffler is ideal for Jeep Wrangler JK owners who need a durable, reliable replacement part that maintains factory performance and sound. It suits drivers who want to keep their vehicle’s exhaust system in top condition without investing in aftermarket modifications. Whether you use your Jeep for daily driving, off-road adventures, or weekend cruising, this muffler provides dependable operation and longevity.

With over 10,000 different part numbers in stock for Jeep® vehicles from 1942 on up, Crown has the largest stock of replacement parts for Jeep® vehicles, including factory-discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission and transfer case components. Crown Automotive also offers an exclusive line of component kits and accessory products.