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The Mishimoto 3-inch to 3.5-inch Silicone Transition Coupler is designed to provide a reliable and flexible connection between different diameter hoses in automotive applications. Crafted from 100% high-quality silicone, this coupler offers excellent durability and flexibility, making it ideal for high-performance vehicle setups. It features heat-resistant embedded fibers that enhance its ability to withstand extreme engine temperatures and pressure, ensuring longevity and consistent performance. Available in black, blue, and red, the coupler allows for both functional and aesthetic customization in your engine bay.
The Mishimoto silicone transition coupler is engineered to handle high heat and pressure conditions typical in turbocharged and supercharged systems. Its flexible nature facilitates easy installation and reduces risk of hose collapse or leaks. The coupler’s robust construction ensures it maintains a secure seal even under demanding driving conditions. This product is a perfect choice for enthusiasts looking to upgrade or replace their existing couplings with a reliable, high-quality component that emphasizes both performance and durability.
Designed with precision and quality in mind, this coupler is suited for a wide range of automotive applications, including intercooler piping, turbocharger connections, and other custom hose configurations. Mishimoto’s focus on manufacturing excellence ensures that each coupler meets strict standards for safety and performance, making it a trusted choice among car enthusiasts and professional mechanics alike.
Features:
Order Processing
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.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
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.
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).
