Mishimoto MMCP-4SBK 4 Inch Straight Coupler, Black
Mishimoto MMCP-4SBK 4 Inch Straight Coupler, Black
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The Mishimoto MMCP-4SBK 4" Straight Coupler in black is a silicone connector built to join sections of turbo, intercooler, or intake piping with a secure, leak-free seal. Its straight design and 4-inch diameter allow it to slide directly onto matching pipe ends, creating a stable connection point that holds up under boost pressure. Constructed from high-quality silicone rather than rubber, it resists the heat cycling and degradation that often affects factory hoses in turbocharged applications.
This coupler is useful for anyone assembling or repairing a piping system where a straight, non-angled connection is needed, whether that's linking an intercooler pipe to a turbo outlet or joining two sections of intake tubing. Because silicone flexes slightly without collapsing, it accommodates minor misalignment between pipes while still maintaining an airtight seal when paired with proper clamps. For boosted engines, a reliable 4-inch straight coupler like this one helps prevent boost leaks that can cause power loss, inconsistent throttle response, or check engine codes tied to charge pressure.
This Mishimoto silicone coupler suits builders and enthusiasts working on custom intercooler piping, turbo installations, or intake upgrades where a 4-inch straight silicone connector is called for. It's a practical, durable component for anyone replacing worn factory couplers or completing a piping kit that demands consistent performance under boost.
📦 Shipping Information
United States Orders: Shipped via Canada Post. Estimated delivery: 4–7 business days (may take up to 10 business days if border delays occur).
Canadian Orders:Orders are shipped via Chit Chats. Estimated delivery is typically 2–6 business days, depending on destination and carrier processing times.
International Orders:Shipped with Chit Chats or Canada Post, depending on service availability. Estimated delivery: 7–15 business days (varies by destination).
Returns & Refunds Policy: We offer a 30-day return window. Items must be gently used, in their original packaging and not have major signs of use/damage
Customs Duties & Import Fees: Orders shipped outside Canada may be subject to import duties, taxes, or customs fees. For U.S. orders, all duties are pre-paid and included—no extra charges at delivery.
Disclaimer: At DaveyDooDeals, our products are sourced from trusted channels, including surplus warehouses, authorized distributors, and carefully selected clearance inventories. While many items are new and unused, some are reclaimed from decommissioned equipment or overstock. Each listing clearly states the item’s condition and any known defects. In the unlikely event that a defect is missed, our 30-day return policy has you covered.
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