Mishimoto 3.5 to 4 Inch Silicone Transition Coupler – Black

SKU: MMCP-3540BK | UPC: 811580038136

Mishimoto 3.5 to 4 Inch Silicone Transition Coupler – Black (Universal Fit)

Mishimoto 3.5 to 4 inch silicone transition coupler connects pipes in custom air intake systems, turbo inlets, outlets, and intercooler setups on any vehicle. Built with 4-ply reinforced silicone, it resists heat up to 350°F and pressures to 200 PSI for dependable airflow. Choose black, blue, or red to match your engine bay.

Key Features

• 4-Ply Silicone Build: Handles -65°F to 350°F temperatures and 200 PSI burst pressure to maintain shape under boost.
• Exact Sizing: 3.5 inch to 4 inch inner diameter transition with 75mm (3 inch) length for smooth airflow in tight spaces.
• High Flexibility: Bends and stretches without kinking or tearing during engine vibration and movement.
• Color Options: Black finish resists fading, with blue and red available for custom looks.
• Reinforced Design: Four silicone layers prevent collapse and extend service life in performance applications.

Product Notes

• Clamps and hardware sold separately for secure installation.
• Inspect and clean surfaces before fitting to ensure airtight seal.
• Packaged in protective sleeve to arrive ready to install.

Installation Notes

• Professional installation recommended.
• Use 3.5-4 inch T-bolt clamps rated for silicone hoses.
• Lubricate inner walls with silicone spray for easier assembly.

This Part Fits

Year	Make	Model	Submodel
Universal	All	All Models	All Submodels

Why Choose Mishimoto?

• Proven in motorsports and daily drivers for reliable results.
• Precision molded for consistent wall thickness and fit.
• Backed by limited lifetime warranty on material defects.

Frequently Asked Questions

• Q: Will this coupler fit my intake or turbo setup?
  A: Yes, universal design works on any vehicle needing a 3.5 to 4 inch transition in air intake, intercooler piping, or boost lines.
• Q: What is the material and temperature rating?
  A: 4-ply reinforced silicone rated from -65°F to 350°F continuous, with 200 PSI burst strength for high-boost use.
• Q: What warranty applies and is installation easy?
  A: Limited lifetime warranty covers defects. Installs with clamps in minutes on most setups, though pros handle complex routing.

Shipping & Handling

• Method: UPS Ground or USPS Priority
• Availability: In stock – ships same or next business day
• Packaging: Protective sleeve in 5.7 x 5.7 x 2.8 inch box
• Weight: 0.2 lbs