Mishimoto Duracore 4in Straight Coupler

When you're fabricating a custom intercooling system, every component in your build needs to pull its weight. Mishimoto DuraCore(TM) Silicone Intercooler Boots are engineered to be the strongest link in your intercooler piping kit. -- Whether you're routing charge pipes around tight engine bays or connecting mismatched tube diameters, we have the sizes and configurations to match exactly what your fabrication requires. DuraCore(TM) boots are available in straight, straight hump, transition, 45-degree, and 90-degree configurations, with sizing from 3" to 4", giving you the flexibility to complete your piping kit without compromise. Whatever your layout demands, Mishimoto has every size and shape to meet your build. -- DuraCore(TM) technology is the synthetic material comprising the innermost layer of every Mishimoto silicone boot. Compared to standard silicone, DuraCore(TM) delivers superior resistance to heat, pressure, fuel, and oil, effectively extending boot life by preventing leaks and blowouts under high-boost conditions. Each boot is manufactured from five layers of silicone with heat-resistant embedded fibers, and reinforcing rings (where applicable) add structural integrity to keep connections secure under pressure. Hump-style couplers introduce additional flexibility to absorb movement and vibration without compromising the seal. -- You've put serious work into your truck build. Don't let the boot be your failure point. With DuraCore(TM) Silicone Intercooler Boots, it never will be. Durable hose coupler designed to securely connect piping in cooling or intake systems. Provides a tight, leak-resistant seal with heat- and pressure-resistant construction for reliable performance and easy installation.

• Every configuration your custom piping kit demands is covered, with straight, straight hump, transition, 45-degree, and 90-degree options available across sizing from 3" to 4"
• Mishimoto carries everything your intercooler build needs, from every boot size and configuration to matching clamps, all in one place
• Sizing from 3" to 4" means no matter what diameter your intercooler piping calls for, there's a DuraCore(TM) boot built to fit

The Mishimoto Duracore 4-inch straight silicone intercooler boot is engineered for high-performance automotive applications, providing a reliable connection in your custom intercooling system. Constructed with five layers of silicone and embedded heat-resistant fibers, this boot offers exceptional resistance to heat, pressure, fuel, and oil, ensuring durability under demanding conditions. Reinforcing rings enhance structural integrity, preventing leaks and blowouts during high-boost operation. Its straightforward design makes installation seamless, and the durable material guarantees long-lasting performance in any engine bay.
This silicone coupler is ideal for routing charge pipes around tight spaces or connecting mismatched tube diameters. Available in a wide range of configurations including straight, hump, transition, 45-degree, and 90-degree bends, from 3 to 4 inches in diameter, Mishimoto has a solution for every custom piping layout. The hump-style variant adds flexibility to absorb engine vibrations and movement, maintaining a secure seal even under dynamic conditions. Whether you are building a turbocharged setup or upgrading your existing intercooling system, this boot is a critical component to ensure leak-free, high-pressure performance.
Mishimoto’s commitment to quality means that this Duracore silicone intercooler boot is designed to withstand the rigors of high-performance use. The reinforced rings and multi-layer construction make it resistant to cracking and blowouts, extending the lifespan of your intercooler piping. This coupling is compatible with Mishimoto clamps, which are recommended for optimal sealing and securing, but can also be used with other high-quality clamps. With a focus on reliability and ease of installation, this product delivers the confidence needed for serious tuning and custom fabrication projects. Trust Mishimoto's Duracore technology to keep your intercooling system sealed and functioning at peak efficiency in even the harshest conditions.

Features:

• Constructed with five layers of silicone and embedded heat-resistant fibers for superior durability

• Reinforcing rings add structural strength to prevent leaks and blowouts

• Available in multiple configurations including straight, hump, transition, 45-degree, and 90-degree bends

• Sizes ranging from 3 inches to 4 inches in diameter to fit a variety of intercooler piping needs

• Duracore(TM) silicone technology offers exceptional resistance to heat, pressure, fuel, and oil

• Hump-style couplers provide flexibility to absorb engine vibrations and movement

• Designed for easy installation and long-lasting performance in high-boost applications

• Compatible with Mishimoto clamps for secure sealing