If you're diving into some serious DIY projects or just looking to upgrade your setup, let me tell you about this HPS 2" to 2-1/4" High Temp Silicone Reducer Coupler Hose. This isn’t just any hose; it’s built to handle the heat—literally. With a temperature range that goes from a chilly -65°F all the way up to a scorching 350°F, this bad boy is ready for whatever you throw at it. Whether you're working on your turbo system or need something reliable for your radiator cooling, this hose has got your back.
What really stands out is the 4-ply reinforced silicone construction. This isn’t just a fancy term; it means that this hose is tough enough to handle heavy-duty pressure connections without flinching. I’ve used it in both marine and industrial applications, and it’s proven to be a solid performer. Plus, it meets and exceeds SAEJ20 industry standards, so you know it’s not just some cheap knock-off.
One of the things I appreciate most is the UV and ozone resistance. If you’re like me and spend a lot of time outdoors, you want something that won’t degrade in the sun. And while this hose is incredibly versatile, just a heads up—it’s not compatible with fuel or oil, so keep that in mind when planning your projects.
In terms of dimensions, the inside diameter ranges from 2" to 2.25" (51mm to 57mm), and the outside diameter is between 2.40" and 2.64" (61mm to 67mm). The wall thickness is about 4.5mm, which gives it that extra durability you need for high-pressure applications. And let’s not forget the striking blue color—it adds a nice touch to any engine bay.
So, if you're looking for a reliable, high-performance silicone hose that won’t let you down, this HPS Reducer Coupler is worth considering. It’s been a game-changer for my projects, and I’m sure it can do the same for yours.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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 HosesHPS 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 RacingVivid 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.