TuoLauthon 90 Degree Silicone Reducer Hose 3-4in | 4-Ply Reinforced with Clamps for Turbo/Intercooler Piping

Upgrade your turbo, intercooler, or intake piping with the TuoLauthon 90 Degree Silicone Reducer Hose. This 3 to 4 inch transition is designed for tight spaces and sharp bends, helping you achieve cleaner routing and reliable connections where space is limited. The 4 ply reinforcement provides a sturdy feel without sacrificing flexibility, making it easier to guide hoses through crowded engine bays.

Built for demanding environments, this reducer hose handles high heat and challenging operating conditions. Its silicone construction remains flexible enough for tight bends, while the outer surface resists aging from UV exposure and ozone. The result is a durable component that supports steady airflow in boosted applications while avoiding unnecessary kinks or leaks.

Key features and benefits

• 4 ply reinforced silicone construction for durability and dependable performance under pressure.
• Wide operating temperature range from -60 C to 260 C (-76 F to 500 F) suits varied climates and boost scenarios.
• Bursting pressure rated at 2 MPa and working pressure between 0.3 and 0.9 MPa provide a comfortable safety margin during boost and engine load changes.
• Inner diameter spans 76 mm (3") to 102 mm (4"), enabling versatile compatibility with common piping sizes.
• 4 inch hose length with approximately 5 mm thickness and a tolerance of +/- 0.5 mm helps ensure a solid, neutral fit.

Package contents and usage notes

• Includes 1 x 3 to 4 inch 90 degree silicone reducer hose and 2 x stainless steel hose clamps.
• Not for oil or fuel transfer; intended for air paths and related systems.
• UV and ozone resistant, suitable for marine and industrial environments where exposure may occur.
• Professional installation is recommended to ensure a secure, leak free connection.

For a flexible upgrade path, this reducer hose supports clean routing from turbo to intercooler or to intake piping. Before purchasing, review your pipe sizes and available space to confirm the fitment best aligns with your build goals. The combination of 3 to 4 inch compatibility, reinforced construction, and included clamps offers a practical option for enthusiasts seeking reliability without overhauling multiple components.