If you're looking to take your custom fabrication projects to the next level, the HPS Performance Products AJ300-300 Aluminum Joiner is an essential component for any serious car enthusiast. Whether you're working on a DIY air intake system, cooling setup, or turbo intercooler piping, this joiner is designed to meet the demands of automotive applications with precision and durability.
This aluminum joiner features a 3-inch (76mm) outside diameter and a length of 3 inches, making it a versatile choice for various applications across multiple vehicle makes and models. Its robust construction ensures a secure fit, whether you're modifying a 2020 WRX or enhancing the airflow on a 2018 Mustang GT.
The HPS AJ300-300 is not just another aluminum joiner; it's built to withstand the rigors of high-performance environments. It's commonly used in not only automotive applications but also in marine and aerospace industries, which speaks volumes about its reliability and quality. The bead roll design enhances its strength, ensuring that it can handle the pressures of boosted applications without compromising integrity.
One 2023 Ford Bronco owner shared, "I installed this joiner for my custom intake setup, and it fit perfectly. It pushed the intake tubing out just enough for a cleaner look and improved airflow without any leaks." Another user working on a 2019 Civic Si noted, "The HPS joiner made my intercooler piping installation a breeze—solid material and a snug fit!"
Whether you're a DIY enthusiast or a seasoned mechanic, the HPS AJ300-300 Aluminum Joiner is your go-to solution for all your custom fabrication needs. Get yours today and experience the difference in performance and fitment!
⚠ 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.