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The Mishimoto 3.5-inch silicone straight coupler offers a reliable and durable connection for your automotive cooling or intake systems. Crafted from 100% silicone, this coupler is engineered to withstand high heat and pressure conditions commonly found in performance applications. Featuring heat-resistant embedded fibers, it maintains its shape and performance even under extreme temperatures, ensuring consistent airflow and sealed connections. The vibrant blue color adds a stylish touch to your engine bay while providing excellent visibility for maintenance and inspections. Backed by Mishimoto's lifetime warranty, this coupler guarantees long-term performance and peace of mind for your vehicle modifications.
Designed for easy installation, the Mishimoto 3.5-inch silicone coupler has a smooth interior surface that minimizes turbulence and maximizes airflow efficiency. Its flexible yet sturdy construction allows for secure connections between pipes and fittings, reducing the risk of leaks or failures during high-demand driving conditions. Suitable for a variety of performance vehicles, this coupler is an essential upgrade for enthusiasts looking to enhance their engine's reliability and aesthetic appeal. Whether upgrading your existing hoses or building a custom intake system, the Mishimoto silicone straight coupler ensures a perfect fit and lasting durability in demanding environments.
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).
