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Mishimoto Mishimoto Silicone Reducer Coupler 90 Degree 3.5in to 4in - Black
Mishimoto Mishimoto Silicone Reducer Coupler 90 Degree 3.5in to 4in - Black
Mishimoto Mishimoto Silicone Reducer Coupler 90 Degree 3.5in to 4in - Black
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Mishimoto Silicone Reducer Coupler 90 Degree 3.5in to 4in - Black

Mishimoto
MISMMCP-R90-3540BK
840197705896
Silicone Couplers & Hoses
20+ Units In Stock - Ships Next Business Day
$ 49.00 $ 44.95
$ 44.95

SKU: MMCP-R90-3540BK | UPC: 840197705896

Mishimoto Silicone Reducer Coupler 90 Degree 3.5in to 4in - Black

Upgrade your custom turbo intake or intercooler setup with this Mishimoto 90-degree silicone reducer coupler in black transitioning from 3.5 inches to 4 inches. Designed for universal fitment in performance vehicles it handles extreme engine bay conditions for reliable airflow and coolant routing. Built to endure high boost pressures and temperatures up to 330°F continuous this coupler ensures long-lasting performance in demanding applications.

Key Features

  • 4-Ply Silicone Construction: Layers of silicone reinforced with heat-resistant embedded fibers provide strength against bursts and cracking under boost up to 100 PSI
  • 90-Degree Elbow Design: Precise bend radius allows tight routing around engine components without kinking or flow restriction
  • Reducer Sizing 3.5in to 4in: Seamless transition fits common turbo inlet and outlet pipes for smooth airflow in intake and intercooler systems
  • Black Silicone Finish: Matches factory and aftermarket black piping for a clean professional look under the hood
  • Mishimoto Lifetime Warranty: Covers defects in materials and craftsmanship for peace of mind in racing or daily driving

Product Notes

  • Use with stainless steel worm-gear hose clamps rated for high boost not included
  • Inspect regularly for wear in high-heat environments and replace as needed
  • Packaged in protective poly bag inside cardboard box for damage-free delivery

Installation Notes

  • Professional installation recommended.
  • Clean mating surfaces and apply silicone spray for easier installation
  • Compatible with T-bolt clamps sizes 3.5in to 4.5in for secure clamping

This Part Fits

Year Make Model Submodel
Universal All Custom Turbo/Intake Builds Air/Coolant Systems

Why Choose Mishimoto?

  • Proven in motorsports and street cars worldwide
  • Engineered with direct OEM and aftermarket pipe measurements
  • Molded in-house for consistent wall thickness and fit

Frequently Asked Questions

  • Q: Does this coupler fit standard turbo intake kits?
    A: Yes it works with most aftermarket kits using 3.5in to 4in piping such as intercooler hoses and charge pipes on turbocharged vehicles
  • Q: What is the material and temperature rating?
    A: Made from 4-ply silicone with fiber reinforcement rated for continuous use up to 330°F and bursts over 350°F
  • Q: What warranty applies and how to claim?
    A: Lifetime Warranty against defects register online at Mishimoto.com and contact support with proof of purchase

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: 6in x 6in x 2in cardboard box
  • Weight: 0.20 lbs

Request For Information

Have questions about Mishimoto Silicone Reducer Coupler 90 Degree 3.5in to 4in - Black? Fill out the form below and we'll get back to you by the next business day.
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