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  See all Air Intakes products
AFE Power Magnum Force 4" x 4-1/2" ID x 3-1/4" L Silicone Coupling Kit - 59-00021

Alright, let’s talk about this high-temp injected molded reinforced silicone double hump bellow reducer coupler. If you’re looking to connect a (4" x 4-1/2") OD tube, this little guy is just what you need. It’s 3-1/4" long, which gives you just the right length for a solid fit. The silicone is built to handle the heat in today’s engine compartments, so you know it’s tough enough to take whatever you throw at it. Seriously, it meets or even exceeds those SAEJ20 standards, which is a big deal if you’re pushing your rig hard.

Now, let’s get into the nitty-gritty. This coupler isn’t just about looks; it’s designed for real-world applications—think industrial, commercial, off-road, and even racing. You want something that can handle the vibrations and movement? This coupler has got you covered. The design allows for some flex, which is crucial when you’re dealing with the kind of torque that can shake things up.

And let’s not forget about the stainless steel worm-gear clamps that come standard with this kit. They’re durable, corrosion-resistant, and provide a tight connection that won’t let you down. Whether you’re out on the trail or pushing your truck to the limit, these clamps ensure everything stays put.

  • (4" x 4-1/2") ID x 3-1/4"L Double Hump Bellow Reducer coupling
  • Injected Molded Reinforced High Temp Silicone
  • Meets or Exceeds SAEJ20 Standard
  • Coupler hose allows for expansion, movement, and vibration
  • Standard stainless steel worm-gear clamps provide tight connections, durability, and corrosion resistance

If you’re serious about your setup and need something that can handle the heat and the stress, this aFe Power Magnum Force Performance Accessories Coupling Kit is a solid choice. It’s a piece of gear that’s built to last and perform, no matter where the road takes you.

Other Part Numbers:
AFE #afe59-00021

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

AFE: Revolutionizing High-Performance Automotive Parts
About AFE: A Legacy of Innovation

AFE, short for Advanced Flow Engineering, has established itself as a leader in the automotive aftermarket industry. Founded in 1999, AFE began with a mission to create high-quality, performance-driven products that enhance vehicle efficiency and power. Over the years, the brand has grown exponentially, gaining a reputation for its commitment to innovation and quality. AFE's engineers and designers work tirelessly to develop cutting-edge solutions that cater to automotive enthusiasts and professionals alike.

Categories of AFE Parts

AFE specializes in a diverse range of automotive parts, including air intake systems, exhaust systems, and filters. Their air intake systems are designed to improve airflow, resulting in increased horsepower and torque. AFE's exhaust systems not only enhance performance but also provide a distinctive sound that resonates with car enthusiasts. Additionally, their high-quality filters ensure optimal engine protection and longevity. With a focus on performance and durability, AFE parts are engineered to meet the demands of both daily drivers and racing applications.

Why AFE Stands Out

What sets AFE apart from other brands in the automotive industry is their unwavering dedication to quality and performance. Each product undergoes rigorous testing and development, ensuring that it meets the highest standards. AFE utilizes advanced materials and innovative designs, which contribute to the overall efficiency and reliability of their parts. Furthermore, the brand offers a wide selection of parts compatible with various makes and models, making it easy for customers to find the perfect fit for their vehicles.

Experience the AFE Difference at Vivid Racing

At Vivid Racing, we are proud to offer a comprehensive selection of AFE products that cater to every automotive enthusiast's needs. Whether you're looking to enhance your vehicle's performance or simply want to upgrade its components, AFE provides the quality and reliability you can trust. Explore our extensive inventory today and experience the AFE difference!

Warranty
  • aFe warrants our products to be free from manufacturer's defects due to workmanship and materials.
  • The warranty period begins on the original invoice date and covers the applicable period listed below.
  • This warranty applies only to the original purchaser of the product and is non-transferrable.
  • Proof of purchase of the aFe product is required for all warranty claims.
  • Warranty is valid provided aFe instructions for installation and/or cleaning were properly followed.
  • Proper maintenance with regular inspections of product is required to insure warranty coverage.
  • Damage due to improper installation, abuse, unauthorized repair or alteration is not warranted.
  • Incidental or consequential damages or cost, including installation and removal of part, incurred due to failure of aFe product is not covered under this warranty.
  • All warranty is limited to the repair and/or replacement of the aFe product.
  • All products sold under aFe's Private Label Program do not carry an aFe warranty.
  • All items purchased labeled "Closeout" or "Overstock" are final sale. No returns will be accepted.
  • All items listed as "Race Only" are not covered by aFe's warranty.
  • Click Here for the list of products accepted

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