If you're looking for a reliable silicone coupler hose that can handle the heat—literally—then let me introduce you to the HPS 2 11/16" Silicone Coupler Hose in a striking blue. This isn’t just any hose; it’s built tough with a 4-ply reinforced design, made from high-temperature silicone rubber that meets or even exceeds the SAEJ20 standard. Trust me, this hose is engineered for the kinds of conditions that would make lesser hoses cringe.
Now, I’ve used this hose in various setups, and it’s a game-changer when it comes to connecting two hard pipes. You know how frustrating it can be when connections come apart or when your hard pipes start to break under pressure? With this coupler, those worries are a thing of the past. It’s designed to reduce those risks significantly, so you can focus on what really matters—getting the job done without any hiccups.
This HPS coupler is a favorite among professionals across multiple industries. Whether you're into high-performance racing, working with commercial trucks, or even in marine applications, this hose has got your back. It’s also used in agricultural and off-highway vehicles, turbo diesels, and even in the food and beverage sector. You name it, this hose can handle it.
Technical Specifications
Product Type: Straight Coupler
Temperature Range: -65°F to +350°F (that's -54°C to 177°C for my metric friends)
Reinforced Layer: 4-ply
Hose Inside Diameter: 2 11/16" (68mm)
Hose Outside Diameter: 3.08" (78mm)
Wall Thickness: 5mm
Hose Length: 3"
Important Note
Just a heads up, this silicone hose isn’t compatible with fuel or oil. However, it works great with water or antifreeze, like coolant.
⚠ 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.