If you’re in the market for a reliable coupler hose, let me tell you about the HPS 1-1/2" (38mm), 6" Long High Temp 4-ply Aramid Reinforced Orange Silicone Hump Coupler Hose. This isn’t just any hose; it’s built to handle the heat and pressure that comes with high-performance setups. Seriously, I’ve put this thing through its paces, and it holds up like a champ. It meets and even exceeds the SAEJ20 standards, which is a big deal when you’re dealing with heavy-duty applications.
This coupler is perfect for everything from marine projects to custom turbo piping. If you’re into DIY intake systems or radiator cooling setups, this is your go-to. The 4-ply aramid reinforcement gives it some serious strength, and it can handle temperatures from a chilling -65°F to a scorching +500°F (that’s about -53°C to 260°C for those of you outside the States). So whether you’re in the middle of a hot summer or battling the cold, this hose won’t let you down.
One of the features I really appreciate is how it compensates for misalignment and absorbs vibrations. You know how it can get when you’re pushing your rig hard? This hose helps keep everything in check. Plus, it’s UV and ozone resistant, so it won’t degrade when exposed to the elements.
Now, a quick note: while this silicone hose is tough, it’s not compatible with fuel or oil. But don’t worry, it works great with water and coolant, so it’s perfect for your cooling system needs.
So if you're looking for a solid, dependable hose that can handle the heat and keep your setup running smoothly, give this HPS coupler a shot. You won’t be disappointed.
⚠ 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.