OS Engines Exhaust Extension for E-4010/E4020 Mufflers, Plastic, Model OSMG2586
SKU: 12822009294

OS Engines Exhaust Extension for E-4010/E4020 Mufflers, Plastic, Model OSMG2586

Sale price$31.50 Regular price$35.00
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

OS Engines Exhaust Extension for E-4010/E4020 Mufflers, Plastic, Model OSMG2586The OS Engines Exhaust Extension is an essential accessory designed for the E 4010 OSMG2838, E 4020 OSMG2840, and 744B Mufflers. This product effectively extends the muffler away from the crankcase of your engine by 1. 38 inches (35mm), enhancing performance and functionality. Constructed from durable plastic, the Exhaust Extension is engineered to withstand the rigors of engine operation while maintaining optimal airflow. Its natural color and sleek

The OS Engines Exhaust Extension is an essential accessory designed for the E-4010 OSMG2838, E-4020 OSMG2840, and 744B Mufflers. This product effectively extends the muffler away from the crankcase of your engine by 1.38 inches (35mm), enhancing performance and functionality.

Constructed from durable plastic, the Exhaust Extension is engineered to withstand the rigors of engine operation while maintaining optimal airflow. Its natural color and sleek design ensure that it seamlessly integrates with your engine setup. This extension is an ideal solution for model enthusiasts looking to improve the exhaust system of their engines, providing an efficient way to manage exhaust flow and reduce any potential back pressure. Additionally, the inclusion of high-quality cast aluminum components ensures longevity and reliability in performance.

Key Features:
  • Material: Made from robust plastic for durability and longevity.
  • Compatibility: Designed specifically for E-4010 OSMG2838, E-4020 OSMG2840, and 744B Mufflers.
  • Extension Length: Extends muffler position by 1.38 inches (35mm) for better exhaust management.
  • Installation Components: Includes one cast aluminum exhaust extension and two M4x70 bolts with .7 pitch threads.
  • Enhanced Performance: Improves airflow and reduces back pressure for optimal engine performance.
  • Easy Installation: Designed for straightforward installation, making it user-friendly for all skill levels.
  • Natural Finish: The natural color complements various engine styles without compromising aesthetics.

The OS Engines Exhaust Extension is perfect for hobbyists and model airplane enthusiasts looking to enhance the performance of their engines. Whether you are upgrading your current setup or building a new model, this exhaust extension provides a reliable solution for improved exhaust flow and engine efficiency. Invest in the OS Engines Exhaust Extension to ensure your engine operates at its best, making your flying experience smoother and more enjoyable.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 12822009294

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Stephanie Allen
New York, US
★★★★★ 4
Comfy!
Special Size: 27.5" Full Length with Pockets, Size: Large, Color: Black
Super comfy, not as much tummy control as I would like but perfect for house work, going to the gym or grocery shopping. Love that these have pockets!! Thin so not too hot and stretchy too.
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Reviewed in the United States on April 1, 2026
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Meredith
Lake Worth, US
★★★★★ 5
Great leggings!
Special Size: 27.5" Full Length with Pockets, Size: Medium, Color: Black
These are great leggings! They’re my third pair. They are comfortable, lightweight, and fit great. I wouldn’t say they are buttery soft as compared to other leggings that are listed the same texture, however they are soft and smooth. The pockets are a must and are positioned perfectly.
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Reviewed in the United States on January 9, 2026
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Bailey Forzani
New York, US
★★★★★ 5
So excited I found these!
Special Size: 27.5" Full Length, Size: Small, Color: Black, Special Size: 27.5" Full Length, Size: Small, Color: Black
Extremely impressed with these leggings! These athletic leggings are absolutely amazing! The material is incredibly soft and feels so comfortable against the skin. The quality is top-notch, with a durable yet flexible fabric that moves perfectly with your body. They are completely squat-proof, which makes them perfect for workouts, and they stay in place without sliding down, no matter how much you move. Some of my more expensive name brand leggings don’t check all the boxes; as these do! These leggings truly combine comfort, quality, and performance—highly recommended! Also- I am 5’3/5’4 and these hit right at my ankle
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Reviewed in the United States on July 22, 2025
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LeAnn Y.
Massapequa, US
★★★★★ 5
Really soft and comfortable for the price!
Special Size: 27.5" Full Length, Size: Small, Color: Ocean Blue, Special Size: 27.5" Full Length, Size: Small, Color: Ocean Blue
These are soooo soft and the quality is amazing! They feel like they would be way more expensive! I love the color and get lots of complements.
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Reviewed in the United States on January 22, 2026
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Rach
Alexandria, US
★★★★★ 5
Love these!!!
Special Size: 7" Inseam without Pockets, Size: Large, Color: Ocean Blue
Super happy with these shorts!!! Wore them on a full day at the theme park. Stayed in place and did not ride up. No pinching or constricting. The material is buttery soft and the blue is so vibrant and pretty!! Don’t show every bump and imperfection, but does show some. It’s not totally smoothing. Very work out friendly, heat friendly, running errands friendly. Would definitely recommend and plan to buy other colors. Comfy waist band as well.
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Reviewed in the United States on May 11, 2026

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