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HPS Performance Products High Temp 1.5"-1.75" ID x 4" Long Blue Silicone Reducer Coupler Hose - HTSR-150-175-L4-BLUE
HPS Performance Products High Temp 1.5"-1.75" ID x 4" Long Blue Silicone Reducer Coupler Hose - HTSR-150-175-L4-BLUE - Image 2 HPS Performance Products High Temp 1.5"-1.75" ID x 4" Long Blue Silicone Reducer Coupler Hose - HTSR-150-175-L4-BLUE - Image 2

If you're diving into some serious automotive work or just need to upgrade your setup, the HPS 1-1/2" to 1-3/4" silicone reducer coupler hose is a solid choice. This little gem is engineered to handle the heat—literally. With a temperature range that spans from -65°F all the way up to 350°F (that’s about -54°C to 177°C for those keeping score), it’s built for high-performance applications. Whether you’re rigging up a custom turbo setup or working on an intercooler piping project, this hose won’t let you down.

What sets this hose apart is its tough, 4-ply reinforced silicone construction. It’s not just for show; this design meets and exceeds SAEJ20 industry standards, which means it’s ready for some heavy-duty pressure connections. I’ve used it for everything from DIY intake systems to radiator cooling setups, and it’s held up beautifully. Plus, it’s UV and ozone resistant, so you don’t have to worry about it deteriorating in the sun or harsh conditions.

Now, let’s talk dimensions. The inside diameter ranges from 1.5" to 1.75" (or 38mm to 45mm), with an outside diameter of about 1.89" to 2.17" (48mm to 55mm). It’s a 4-inch long piece, which is perfect for those tight spots where you need a reliable connection. And with a wall thickness of around 4.5mm, it’s got the durability to back up its performance.

Just a heads up, though—while this hose is tough as nails, it’s not compatible with fuel or oil. So keep that in mind when planning your projects. Overall, if you’re looking for a reliable reducer coupler hose that can take the heat and keep your engine running smoothly, this HPS option is a fantastic pick.

Features:
  • High-temperature 4-ply reinforced silicone for durability
  • Exceeds SAEJ20 standards, ideal for heavy-duty pressure connections
  • Perfect for marine and industrial applications, as well as custom turbo or intercooler piping
  • UV and ozone resistant for extended outdoor use
  • Note: Not suitable for fuel or oil
Specifications:
  • Product Type: Silicone Reducer Coupler Hose
  • Color: Blue
  • Inside Diameter: 1.5" - 1.75" (38mm - 45mm)
  • Outside Diameter: 1.89" - 2.17" (48mm - 55mm)
  • Length: 4"
  • Reinforced Layer: 4-ply polyester
  • Max Temperature Rating: 350°F
  • Wall Thickness: 4.5mm (+/- 0.5mm)
  • UPC: 648044835280
Proposition 65

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

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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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