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  • Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
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Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Load image into Gallery viewer, Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Load image into Gallery viewer, Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Load image into Gallery viewer, Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Load image into Gallery viewer, Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Load image into Gallery viewer, Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Load image into Gallery viewer, Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black

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

Mishimoto
misMMCP-R90-3540BK
Out of stock
Silicone Coupler
$62.99
The Mishimoto 90-Degree Silicone Reducer Coupler, part number misMMCP-R90-3540BK, is designed to provide a reliable and...
Mishimoto 90-Degree Silicone Reducer Coupler 3.5in to 4in – Black
Description

The Mishimoto 90-Degree Silicone Reducer Coupler, part number misMMCP-R90-3540BK, is designed to provide a reliable and flexible connection between 3.50-inch and 4.00-inch diameter hoses or pipes. Constructed from four layers of high-quality silicone with embedded heat-resistant fibers, this coupler ensures maximum durability and flexibility in demanding engine bay environments. Its heat-resistant properties allow it to withstand temperatures up to 330°F, making it suitable for both coolant and air passage systems in performance applications. The coupler's 90-degree bend facilitates smooth routing in tight or complex piping configurations, reducing installation time and minimizing potential leaks. Available in a sleek black finish, it complements a variety of engine bay aesthetics while maintaining structural integrity under high boost pressures. As with all Mishimoto products, this coupler is backed by our lifetime warranty, emphasizing our commitment to quality and customer satisfaction. Whether you're upgrading your intercooler piping or custom cooling system, this silicone coupler offers an ideal solution for seamless, durable hose connections in performance automotive projects.

Features:

  • Constructed from four layers of silicone with embedded heat-resistant fibers for durability
  • Allows for easy routing of complex coolant or intercooler pipes with a 90-degree bend
  • Rated to withstand temperatures up to 330°F and substantial boost pressures
  • Available in a versatile black finish to match various engine bay setups
  • Backed by Mishimoto's lifetime warranty for peace of mind in performance applications
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All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

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Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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