The expansive line of silicone couplers from Mishimoto continues to expand! We now offer a broad range of 90-degree transition couplers applicable for use in both coolant and air passage systems. Finding the ideal coupler for your project can be challenging, but we make it easy with a massive selection of various bends, sizes, and colors to achieve your goals. Our couplers feature four layers of silicone, each divided by a layer of heat-resistant embedded fibers. This combination results in maximum durability in extremely harsh environments. Our silicone couplers rated for temperatures up to 330?F and can withstand substantial boost pressures. These couplers are available in black, blue, and red, and as with all our products, they include our signature Mishimoto Lifetime Warranty. Mishimoto 90-Degree Silicone Transition Coupler, 2.50-in to 4.00-in