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HPS Performance Products 3.5 to 4 Inch Black Silicone 45 Degree Elbow Reducer Coupler Hose - HTSER45-350-400-BLK

HPS Performance 3-1/2" - 4" High Temp 45 Degree Elbow Reducer Coupler Hose

If you're looking for a reliable silicone hose that can handle the heat—literally—look no further than the HPS 3-1/2" - 4" (89mm - 102mm) High Temp 4-ply Reinforced Silicone 45 Degree Elbow Reducer Coupler Hose. Engineered to meet and exceed SAEJ20 industry standards, this coupler is perfect for heavy-duty applications, whether you're tackling custom turbo setups, intercooler piping, or DIY intake systems.

Fitment

This silicone elbow reducer is versatile enough to fit a range of vehicles, making it an excellent choice for car owners who want to enhance their engine's performance. The 45-degree angle allows for smooth airflow transitions, which is crucial for turbocharged or supercharged setups. Just make sure to check the dimensions against your specific year, make, and model to ensure a perfect fit.

Technical Specifications

  • Product Type: Silicone 45 Degree Elbow Reducer Coupler Hose
  • Temperature Range: -65°F to +350°F (177°C)
  • Reinforced Layer: 4-ply Polyester
  • Hose Inside Diameter: 3.5" - 4" (89mm - 102mm)
  • Hose Outside Diameter: 3.9" - 4.41" (99mm - 112mm)
  • Leg Length on Each Side: 4"
  • Wall Thickness: 4.5mm (+/- 0.5mm)
  • Color: Black
  • UV and Ozone Resistant: Yes
  • Oil-Resistant: No
  • UPC: 648044831206

Features

  • Constructed from high-temperature 4-ply reinforced silicone for durability
  • Exceeds SAEJ20 standards, ensuring excellent resistance under high-pressure applications
  • Ideal for marine, industrial, and automotive use, especially in custom piping fabrications
  • UV and ozone resistant, making it suitable for outdoor applications
  • Not compatible with fuel or oil, so keep that in mind during installation

Customer Feedback

Ford F-150 owners have reported great results after installing this coupler, noting that it provided a seamless transition in their custom intake setups, enhancing airflow without any leaks. One user mentioned, "I installed this on my 2020 F-150 with a turbo kit, and it fit perfectly—no more worries about boost leaks!"

Another customer who used it for a DIY radiator cooling system on their 2018 WRX said, "This hose was exactly what I needed. It handled the heat like a champ and fit right into my setup."

Upgrade your vehicle's performance with the HPS High Temp 45 Degree Elbow Reducer Coupler Hose—engineered for those who demand durability and efficiency. Whether you're upgrading your intercooler piping or tackling a custom project, this silicone hose is built to perform under pressure.

Proposition 65

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

HPS Performance Products Logo

About HPS Performance Products

HPS Performance Products is a leading manufacturer of aftermarket performance parts, fabrication components, and silicone hoses. HPS serves a number of different industries, including automotive, aerospace, construction, commercial truck/bus, marine, agricultural, turbo diesel, off-road, performance racing, general manufacturing, and water treatment. The company’s ability to fabricate custom-shaped multiply silicone hoses make it ideal for a wide range of applications. The multiply carcass makes HPS’ hose perfect for coolant and turbocharged pressure applications while the fluoro-silicone-lined hoses make it safe to be used with petroleum-based oil and fuel.

HPS Performance Products is committed to meeting its original goals of producing quality parts at competitive pricing and providing customer service responses in a personal, timely manner. All HPS products have been thoroughly tested on the dyno and track, and meet or exceed SAEJ20 standards. The HPS staff has solid expertise in the silicone hose department, which allows them to deliver standard size silicone hoses with same-day shipping. HPS’ highly skilled and knowledgeable team, paired with the latest state-of-the-art technology, ensures the brand’s continued success and reputation as a premier manufacturer in the industry 

HPS Quality Silicone Hoses

HPS Performance Products specializes in and is best known for manufacturing multi-application silicone hoses. HPS silicone hoses are carefully crafted from only the highest quality 4-ply reinforced high-temperature material. The hoses are available in the following varieties: straight coupler, 1-foot tube, 3-foot coolant tube, charge air cooler hose (CAC), hump coupler, reducer couple her, 45-degree elbow coupler and reducer, and 90-degree elbow coupler and reducer.

HPS Performance Products also carries performance silicone vacuum hoses and silicone heater hoses. You can choose silicone hoses in both standard inch and hard-to-find metric sizes. Stainless steel T-bolt clamps are available to match with the silicone hoses as well. In order to meet the high demand and shorten the turnaround time for its silicone hoses, up to 90 percent of the product is already in stock and ready to ship or pick up from HPS authorized dealers like Vivid Racing. 

HPS Performance Products at Vivid Racing

Vivid Racing carries a comprehensive lineup of HPS Performance Products for a number of different makes, models, and applications. Our extensive inventory of HPS parts includes aluminum tubing, cold air and short ram intakes, vacuum lines, hoses and clamps, intercooler pipes, radiator caps, and much more! If you have any questions regarding the items listed above or have fitment concerns, please contact our expert sales team at (480) 966-3040. We are here to help you through the entire purchase process and make it a pleasant experience.

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