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The Mishimoto 4-inch silicone straight coupler is designed to provide a reliable and durable connection for your automotive air intake or intercooler piping systems. Crafted from 100% silicone, this high-quality coupler offers excellent resistance to extreme heat and pressure, making it suitable for demanding engine environments. Embedded heat-resistant fibers ensure added strength and longevity, helping to prevent cracking or deterioration over time. Its vibrant black finish not only enhances the aesthetic appeal of your engine bay but also provides a protective barrier against heat and corrosion. This coupler is an ideal choice for enthusiasts seeking a high-performance, flexible connection that can withstand the rigors of daily driving or racing conditions. Installation is straightforward, allowing for quick upgrades or repairs without compromising system integrity. Whether upgrading your current setup or customizing your vehicle, the Mishimoto 4-inch silicone coupler delivers dependable performance and style.
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).
