If you’re looking to optimize your vehicle’s performance, the HPS 3/4" to 1" Silicone Reducer Coupler Hose is a must-have upgrade for your setup. Engineered with a 4-ply reinforced design, this silicone hose can handle extreme temperatures and high-pressure environments, making it an ideal choice for automotive enthusiasts who demand reliability and performance.
This silicone reducer coupler is perfect for transitioning between different sized intercooler, turbo, and intake components. Whether you're upgrading your 2018 Ford F-150 or fine-tuning your 2020 Subaru WRX, this coupler ensures a seamless fit and optimal airflow.
Owners of the 2021 Toyota Tacoma have reported that installing the HPS silicone reducer has significantly improved their intake efficiency, stating, “The transition from the stock intake to my aftermarket setup was flawless. No leaks and a noticeable difference in throttle response.”
Another 2019 Honda Civic owner shared, “I used this coupler for my turbo setup, and it fits perfectly. The added durability gives me peace of mind for those high boost levels.”
This silicone hose is NOT compatible with fuel or oil. However, it works excellently with water or anti-freeze, such as coolant.
Upgrade your vehicle’s performance and reliability with the HPS 3/4" to 1" Silicone Reducer Coupler Hose. Designed for those who demand the best, this part is your ticket to enhanced power and efficiency.
⚠ 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.