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HPS Performance Products 3" to 3.5" Black Silicone 45 Degree Elbow Reducer Coupler Hose - HTSER45-300-350-BLK

If you're diving into some serious engine work or just looking to upgrade your setup, this HPS 3" to 3-1/2" High Temp 4-ply Reinforced Silicone 45 Degree Elbow Reducer Coupler Hose is a solid choice. I've used a few of these in my own builds, and let me tell you, they hold up like a champ. Designed to meet and even exceed SAEJ20 standards, this hose is built for heavy-duty pressure connections. Whether you're pushing the limits in a marine environment or tackling custom turbo piping, this piece has got your back.

What I really appreciate about this hose is its versatility. The temperature range is impressive, handling everything from -65°F to a scorching +350°F, so you know it can take the heat. Plus, with a 4-ply reinforced design, it’s tough enough to withstand high-pressure applications without flinching. The inside diameter ranges from 3" to 3.5" (that's 76mm to 89mm for those who prefer metric), and the outside diameter is just a bit larger at 3.39" to 3.9" (86mm to 99mm). Each leg measures 4" long, which gives you some flexibility during installation.

Now, don’t get me wrong—this hose isn’t for every application. It's not compatible with fuel or oil, so keep that in mind if you're planning a fuel system project. But for DIY intake setups or radiator cooling systems? It’s a perfect fit. And if you’re worried about UV damage or ozone exposure, you can rest easy knowing this silicone hose is resistant to both. The sleek black color also gives it a nice, clean look under the hood.

All in all, if you’re looking for reliable performance and durability, this HPS 45 Degree Elbow Reducer Coupler Hose is worth considering. It’s not just another piece of silicone tubing; it’s a reliable component that can handle whatever you throw at it.

  • Product Type: Silicone 45 Degree Elbow Reducer Coupler Hose
  • Color: Black
  • Inside Diameter: 3" - 3-1/2" (76mm - 89mm)
  • Outside Diameter: 3.39" - 3.9" (86mm - 99mm)
  • Leg Length: 4"
  • Reinforced Layer: 4-ply Polyester
  • Max Temperature Rating: 350°F
  • Wall Thickness: 4.5mm (+/- 0.5mm)
  • UPC: 648044831145
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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