Mishimoto Duracore 3.5in 45 Degree Coupler

Mishimoto Duracore 3.5in 45 Degree Coupler

Product form

SKU: MISMMDCC-35A4BK
Barcode: 840197727003

When you're fabricating a custom intercooling system, every component in your build needs to pull its weight. Mishimoto DuraCore(TM) Silicone... Read more

1 in stock 2 day delivery

$87.00  $78.95

    • Guaranteed secure & safe checkout.

      shop pay
    • Free shipping on all orders above $199
    • No hassle returns, 15 days return
    Buy Now, Pay Over Time


    Shop now and pay over time with Shop Pay Installments at Gearhead Motoring. Get the performance parts, wheels, suspension, and accessories you need today with flexible payment options and a fast, easy checkout. Upgrade your ride now and pay at your pace.

    Shipping and Returns


    We are committed to providing a fast, reliable, and hassle-free shopping experience. Every order is carefully packaged to ensure it arrives safely and in perfect condition.

    Fast & Free Shipping

    Most orders are processed and shipped within 1 business day, with delivery typically taking 1–4 business days. We proudly offer FREE shipping throughout the contiguous 48 United States on qualifying orders.

    Easy Returns & Exchanges
    Your satisfaction is important to us. If you're not completely happy with your purchase, you may return or exchange eligible items within 15 days of receiving your order. Items must be unused, in their original packaging, and in resalable condition to qualify for a return or exchange.

    Shop with confidence knowing that we're here to help every step of the way.

     

    Description

    When you're fabricating a custom intercooling system, every component in your build needs to pull its weight. Mishimoto DuraCore(TM) Silicone Intercooler Boots are engineered to be the strongest link in your intercooler piping kit. -- Whether you're routing charge pipes around tight engine bays or connecting mismatched tube diameters, we have the sizes and configurations to match exactly what your fabrication requires. DuraCore(TM) boots are available in straight, straight hump, transition, 45-degree, and 90-degree configurations, with sizing from 3" to 4", giving you the flexibility to complete your piping kit without compromise. Whatever your layout demands, Mishimoto has every size and shape to meet your build. -- DuraCore(TM) technology is the synthetic material comprising the innermost layer of every Mishimoto silicone boot. Compared to standard silicone, DuraCore(TM) delivers superior resistance to heat, pressure, fuel, and oil, effectively extending boot life by preventing leaks and blowouts under high-boost conditions. Each boot is manufactured from five layers of silicone with heat-resistant embedded fibers, and reinforcing rings (where applicable) add structural integrity to keep connections secure under pressure. Hump-style couplers introduce additional flexibility to absorb movement and vibration without compromising the seal. -- You've put serious work into your truck build. Don't let the boot be your failure point. With DuraCore(TM) Silicone Intercooler Boots, it never will be.

    Specifications

    • Type: Aftermarket
    • Usage: Street Use & Speedway

    Why Buy From Us:

    • 🚚 Free Shipping
    • 💰 Price Match Guarantee
    • 🔄 Easy Returns

    Returns & Delivery

    When will my order be delivered?

    Delivery typically takes 1–4 business days. After placing your order, you will receive an email with shipping updates, tracking information, and any additional details needed to ensure a smooth delivery process.

    Can I return my product?

    Orders may be returned or exchanged within 15 days of receiving the parcel, provided the items are in their original, resalable condition. Customers are responsible for return shipping costs unless the return is due to an error made by Gearhead Motoring, in which case we will cover all shipping costs. Please wait for an RMA number and return instructions before sending any item back. Items returned without an RMA will not be accepted.

    What can I do if my item (or part of it) is damaged?

    Damaged Shipments

    If your shipment arrives damaged, whether visible upon delivery or discovered after opening the package, please follow these steps immediately:

    • Contact Gearhead Motoring as soon as possible and submit a damage claim at shipping@gearheadmotoring.com
    • Keep all original packaging materials, including the box and packing materials.
    • Make a list of any damaged or missing items.
    • Take clear photos of the damaged packaging and the affected products.
    • If the delivery driver cannot wait for an inspection, or does not allow you to inspect the shipment, write "SUBJECT TO INSPECTION" on the delivery receipt before signing and ask the driver to acknowledge it.

    Once we receive the required information, Gearhead Motoring will work directly with the shipping carrier and arrange a pickup if necessary. Do not return any merchandise without prior written authorization and an RMA number from Gearhead Motoring.

    After the returned product is received and inspected, we will notify you whether the item will be replaced, or if a refund or store credit will be issued.

    Important: By signing and accepting a freight shipment, you may waive your right to file a damage claim for any damage not noted on the delivery receipt. We strongly recommend inspecting all freight shipments upon arrival, even if the outer packaging appears to be in good condition.

    Recently viewed products

      © 2026 GEARHEAD MOTORING LLC

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Mastercard
        • PayPal
        • Shop Pay
        • Visa

        Login

        Forgot your password?

        Don't have an account yet?
        Create account