ECO PLUS EP3998 Body Muffler Center Offset 810041869265 4.5 9.75 2.5

( Brand: Eco Plus ), ( Type: Exhaust Muffler ), ( Color: Aluminized ), ( Manufacturer Part Number: EP3998 ), ( UPC: 810041869265 )

Review ECO PLUS 4.5 Inch 9.75 Oval Body Muffler 2.5 In Offset Out

The ECO EP3998 4.5 Inch x 9.75 Inch Body Muffler with a 2.5 Inch Center Offset is a high-performance exhaust component designed to deliver improved engine performance and enhanced exhaust flow. This muffler is specifically engineered for vehicles requiring a 4.5 inch inlet and a 9.75 inch outlet, making it an ideal fit for select applications.

Crafted from premium stainless steel, this muffler boasts exceptional durability and resistance to rust and corrosion. Its robust construction ensures long-lasting performance, even in the harshest driving conditions. The use of stainless steel also contributes to a more appealing visual appearance, as it maintains its luster and shine over time.

Measuring 4.5 inches in diameter at the inlet and 9.75 inches at the outlet, this muffler provides ample space for exhaust gases to flow through, reducing backpressure and improving overall engine efficiency. The 2.5 inch center offset design allows for a seamless integration with your vehicle's exhaust system, ensuring a secure and snug fit.

This ECO muffler is engineered to provide a balance between performance and noise levels. While it enhances exhaust flow and power output, it also helps reduce unwanted engine noise, making it a popular choice among enthusiasts seeking a more refined driving experience.

Installing this body muffler is a straightforward process, thanks to its durable design and precise dimensions. It is designed to fit securely in place, ensuring a reliable connection to your vehicle's exhaust system. The muffler comes with all necessary hardware for installation, making it easy for even the most novice of DIY enthusiasts to install it themselves.

By upgrading to the ECO EP3998 4.5 Inch x 9.75 Inch Body Muffler with a 2.5 Inch Center Offset, you'll experience improved engine performance, enhanced exhaust flow, and a more refined driving experience. Its premium construction from stainless steel guarantees lasting durability, making it an excellent investment for any vehicle.

Pros and Cons of Buying an EcoTech Performance EP3998 4.5 Inch 9.75 Inch Body Muffler with 2.5 Inch Center Offset

a. Performance Enhancement: This muffler is designed to improve the performance of your vehicle by increasing exhaust flow and reducing back pressure. This can result in better engine response and increased horsepower.

b. Sound: The muffler is known for its deep, aggressive exhaust note, which is popular among performance enthusiasts. It provides a more satisfying and exhilarating driving experience.

c. Durability: EcoTech Performance mufflers are made from high-quality materials, including 304 stainless steel, ensuring longevity and resistance to corrosion and rust.

d. Fitment: This muffler is designed to fit most 1999-2007 Ford 4.6L 7.3L F-150, Expedition, and Lincoln Navigator applications, making it a convenient choice for owners of these vehicles.

e. CARB Compliant: This muffler is CARB (California Air Resources Board) compliant, making it a suitable choice for those living in California or other states with strict emissions regulations.

a. Cost: The EP3998 muffler may be more expensive compared to stock mufflers or other aftermarket options. However, the performance and sound benefits may justify the investment for some.

b. Loudness: The deep, aggressive exhaust note produced by this muffler may be too loud for some drivers, especially in residential areas or during early mornings or late nights. It may require the use of a decibel limiter or other sound-deadening measures to meet local noise regulations.

c. Installation: Installing this muffler may require some mechanical knowledge and experience, as well as specialized tools. It is recommended to consult a professional mechanic for installation to ensure proper fitment and function.

The EcoTech Performance EP3998 4.5 Inch 9.75 Inch Body Muffler with 2.5 Inch Center Offset is an excellent choice for those seeking improved performance, a deep exhaust note, and a more aggressive driving experience. Its durability, CARB compliance, and fitment for various Ford and Lincoln applications are additional advantages. However, its cost, potential loudness, and installation complexity may be drawbacks for some.

If you're looking to enhance the performance and sound of your 1999-2007 Ford F-150, Expedition, or Lincoln Navigator, and you're willing to invest in a high-quality, CARB-compliant muffler that delivers impressive results, the EcoTech Performance EP3998 muffler is a great option. However, consider your budget, local noise regulations, and installation capabilities before making a purchase. If you're unsure, consult a professional mechanic for advice and assistance.

part # ep3998 price

• $114.99

specifications mufflermooch:

• brand: Eco Plus
• type: Exhaust Muffler
• color: Aluminized
• manufacturer part number: EP3998
• upc: 810041869265

payments mufflermooch:

• other
• credit card: Diners-club
• wallet: Paypal

seller mufflermooch:

• rating: 98.9%
• # reviews: 25039

general mufflermooch:

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

returns mufflermooch:

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

shipping mufflermooch:

• service: Standard, Expedited
• type: Fixed
• transit: 2-5 Days
• cost: $0.00
• class: Standard, Expedited

offer mufflermooch:

• sold: 0
• started: March 3, 2025
• best offers: True
• availability: In Stock
• options: Ship-to-home
• quantity: 10

Eco Plus EP3998 Is Similar To:

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• Eco Plus Ep3020 - 6 Inch Round Body Muffler 1.75 Offset In / Out (65.7% similar) $60.99. (May 5th, 2025)
• Eco Plus Ep3014 4.5 Inch X 9.75 Oval Body Muffler 2.25 Offset In / 2 Out (82.4% similar) $60.00–$85.99. (June 13th, 2025)