AP EXHAUST 2664-CZ Muffler Gas 085337003917 4.2L L6

( Brand: Ap Exhaust ), ( Part Type: Muffler ), ( Manufacturer Warranty: 5 Year ), ( Manufacturer Part Number: 2664-CZ ), ( Body Height: 4.060 In ), ( Body Length: 26.000 In ), ( Body Material: Aluminized Steel ), ( Body Width: 10.500 In ), ( Boxed: Yes ), ( Grade Type: Regular ), ( Heat Shield Attached: No ), ( Inlet Inside Diameter: 2.500 ), ( Inlet Location: Right Center ), ( Muffler Outlet Location: Center ), ( Muffler Type: Baffled ), ( Outlet Inside Diameter: In ), ( Outlet Type: Pipe ), ( Overall Length: 29.500 In ), ( Series: Challenge ), ( Sound Level: Oe Comparable ), ( Country Of Origin: United States ), ( UPC: 085337003917 )

Review AP EXHAUST Muffler Jeep 4.2l L6 Gas Ohv fits J10 1981

Introducing the AP Exhaust 2664-CZ Muffler, a high-performance replacement for your 1981 Jeep J10 4.2L L6 gas engine's stock exhaust system. This muffler is designed to provide improved exhaust flow, enhanced power, and a deeper, more aggressive exhaust note.

The AP Exhaust 2664-CZ Muffler is constructed from premium 16-gauge aluminized steel, ensuring durability and longevity. Its mandrel-bent tubing maintains a consistent inside diameter throughout the entire length, preventing restrictive bends and maximizing exhaust flow.

This muffler features a straight-through design with a high-flow catalytic converter, providing efficient exhaust gas recirculation and reduced emissions. Its 3-inch diameter inlet and outlet provide ample room for increased exhaust flow, resulting in improved engine performance.

The AP Exhaust 2664-CZ Muffler also comes with a high-performance glasspack muffler core, which delivers an aggressive exhaust note while minimizing unwanted noise. Its unique design allows for optimal exhaust flow while reducing backpressure, ensuring maximum power output from your engine.

This muffler is a direct replacement for your stock exhaust system, making installation a breeze. It comes with all necessary hardware for easy installation, including new exhaust hangers and clamps. Additionally, it is CARB-approved, making it a legal and eco-friendly upgrade for your Jeep J10.

In summary, the AP Exhaust 2664-CZ Muffler is a top-quality upgrade for your 1981 Jeep J10's exhaust system. It provides improved exhaust flow, enhanced power, and a deeper, more aggressive exhaust note, all while maintaining emissions compliance and ensuring a straightforward installation process.

Buying a 2664-CZ muffler for a 1981 Jeep J10 with a 4.2L L6 gas engine can have both advantages and disadvantages. Here are some potential pros and cons:

1. Performance: A new muffler can improve the performance of your Jeep's exhaust system. It can reduce back pressure and improve the flow of exhaust gases, leading to better fuel economy and increased horsepower.

2. Sound: A new muffler can also change the sound of your Jeep's exhaust. If you're looking for a deeper, more aggressive exhaust note, a high-performance muffler like the 2664-CZ could be a good choice.

3. Durability: A new muffler can last longer than an old, worn-out one. If your current muffler is rusted out or leaking, it may be time for a replacement.

1. Cost: A high-performance muffler like the 2664-CZ can be more expensive than a standard replacement muffler. You may also need to pay for installation if you're not doing it yourself.

2. Loudness: A high-performance muffler can make your Jeep louder than stock. If you live in a residential area or value a quieter ride, this could be a downside.

3. Fitment: Make sure that the 2664-CZ muffler will fit your specific Jeep model and year. While it is designed for 1981 Jeep J10s with the 4.2L L6 gas engine, there may be variations that require additional modifications.

The decision to buy a 2664-CZ muffler for your 1981 Jeep J10 ultimately depends on your personal preferences and priorities. If you're looking for improved performance, a deeper exhaust note, and a more durable muffler, then this could be a good investment. However, if you're concerned about cost, loudness, or fitment, you may want to consider a standard replacement muffler instead.

I would recommend researching the specific muffler model and consulting with a knowledgeable mechanic or exhaust specialist to ensure that it is the best fit for your Jeep and your driving style. Additionally, make sure to compare prices from various sources to find the best deal.

part # 2664 prices

• $106.89-$140.41

specifications mufflermooch:

• for models: J10
• for makes: Jeep
• for years: 1981
• brand: Ap Exhaust
• part type: Muffler
• manufacturer warranty: 5 Year
• manufacturer part number: 2664-CZ
• body height: 4.060 In
• body length: 26.000 In
• body material: Aluminized Steel
• body width: 10.500 In
• boxed: Yes
• grade type: Regular
• heat shield attached: No
• inlet inside diameter: 2.500
• inlet location: Right Center
• muffler outlet location: Center
• muffler type: Baffled
• outlet inside diameter: In
• outlet type: Pipe
• overall length: 29.500 In
• series: Challenge
• sound level: Oe Comparable
• country of origin: United States
• upc: 085337003917

seller mufflermooch:

• # reviews: 1623
• rating: 98.8%

general mufflermooch:

• Car Truck Parts Accessories > Exhaust Emission Systems > Mufflers Resonators
• condition: New

offer mufflermooch:

• options: Ship-to-home
• quantity: 3
• sold: 0
• started: February 9, 2026
• availability: In Stock

returns mufflermooch:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

payments mufflermooch:

• credit card: Visa
• wallet: Google-pay
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shipping mufflermooch:

• class: Economy
• type: Fixed
• service: Economy
• transit: 4-12 Days
• cost: $0.00

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