If you're diving into a custom project for your vehicle, the HPS Performance Products AJ400-275 Aluminum Joiner is a solid choice for enthusiasts looking to enhance their setups. Whether you're fabricating a DIY air intake, upgrading your cooling system, or setting up turbo intercooler piping, this joiner delivers the quality and reliability you need.
This joiner features a precise outside diameter of 2-3/4 inches (70mm) and a length of 4 inches, making it a versatile component for a range of applications in various vehicles. It's perfect for those who want to ensure excellent fitment and functionality in their custom builds.
This joiner isn't just another piece of tubing; it's built to withstand the rigors of automotive, marine, and aerospace applications. The bead roll design ensures a secure fit, preventing any unwanted leaks or pressure drops in your system. Whether you're a Ford F-150 owner looking to enhance your air intake or a Subaru WRX enthusiast upgrading your intercooler piping, this joiner is an essential component.
One 2021 Ford F-150 owner noted, "I used the AJ400-275 for my custom air intake setup. It fit perfectly and allowed me to push the limits without any issues. The quality of the aluminum feels top-notch!"
A 2020 Subaru WRX enthusiast shared, "I was looking for a reliable joiner for my turbo piping, and this one delivered. It fits snugly and has held up well under pressure."
For those serious about performance and custom fabrication, the HPS AJ400-275 Aluminum Joiner is a must-have. Get ready to take your project to the next level with this durable and versatile component!
⚠ 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.