Let’s talk about the HPS 3" - 3-1/2" High Temp Silicone Charge Air Cooler (CAC) Hose Coupler. If you’re diving into custom turbo setups or just need something solid for your intercooler piping, this is the piece you want in your toolkit. I’ve used this coupler for a while now, and it’s held up like a champ, even under some serious heat.
First off, this isn’t just any silicone hose. It’s made with a 4-ply aramid reinforcement, which means it can handle some pretty intense conditions—think temperatures ranging from -65°F to a scorching 500°F. That’s a wide range, making it versatile enough for marine setups and industrial applications. And you know what? It meets and exceeds SAEJ20 standards, so you can trust that it’s built to last.
One of the best features of this coupler is how it deals with misalignments. It’s designed to isolate vibrations between hose ends, which is crucial when you’re pushing your rig to the limits. Whether you’re fabricating custom piping or just need a reliable connection between your engine-mounted charge air components, this hose has got you covered.
In terms of dimensions, you’re looking at an inside diameter of 3" to 3-1/2" (76mm - 89mm) and an outside diameter of 3.39" to 3.9" (86mm - 99mm). It’s a solid 6" long, and the wall thickness is about 4.5mm, which gives you that extra durability without being overly bulky. Just a heads up, though—this silicone hose isn’t compatible with fuel or oil, so keep that in mind when you’re planning your setup.
Oh, and if you’re worried about UV and ozone damage, don’t be. This hose is resistant to those elements, which is a nice touch for anyone who’s got their vehicle parked outside or exposed to the elements.
To sum it up, if you’re looking for a reliable, high-performance hose coupler that can handle the heat and keep your engine running smoothly, the HPS Silicone Charge Air Cooler Hose is definitely worth considering.
⚠ 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.