If you're looking to enhance the performance of your vehicle's cooling or air intake systems, the HPS 6-5/8" (168mm) x 3 Feet Long High Temp 6-ply Reinforced Blue Silicone Tube Coupler Hose is a solid choice. Designed for durability and performance, this hose meets and exceeds SAEJ20 industry standards, making it perfect for heavy-duty pressure connections in high-temperature applications.
This silicone coupler hose is versatile enough to be used in various custom applications, whether you're fabricating turbo or intercooler piping or working on a DIY intake or radiator cooling system. Its robust construction ensures that it can handle the demands of both marine and industrial environments.
This high-performance silicone hose is engineered to withstand extreme conditions, making it an excellent choice for anyone who takes their vehicle's performance seriously. The 6-ply reinforced design not only provides excellent pressure resistance but also ensures longevity, even under high-stress situations.
“I installed this HPS silicone hose on my 2021 Ford F-150 as part of my custom intercooler setup. The fit was perfect, and it held up well under pressure during my last track day. No leaks, and it looks great in blue!”
“Used this on my 2022 Subaru WRX for a DIY intake project. The 6-ply construction gave me peace of mind, and it fits perfectly without any issues. Definitely a solid upgrade for anyone looking to enhance their setup.”
This HPS silicone tube coupler hose is a reliable choice for performance-minded vehicle owners. Whether you're upgrading your cooling system or tackling a custom project, this hose delivers the quality and performance you need.
⚠ 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.