Description
The Mishimoto MMCP-2515BK is a straight, black silicone reducer coupler that steps down from 2.5 inches to 1.5 inches, built to connect mismatched piping in a custom air intake system or piping setup. Constructed from 100-percent silicone with embedded heat-resistant fibers, this transition-style coupler is engineered to handle demanding underhood conditions where a dependable seal between two different pipe diameters is required.
Whether you’re building out an air intake system, replacing a worn factory coupler, or fabricating custom piping for a cold air intake, a quality silicone coupler like this one plays a critical role in keeping connections tight and leak-free. Because it’s constructed entirely from silicone rather than lower-grade rubber, the MMCP-2515BK is designed to hold up to high heat and pressure while resisting the cracking and hardening that can plague cheaper couplers over time. It’s coolant compatible as well, giving it flexibility beyond just intake piping applications.
Vehicle Applications
This coupler is a universal-fit component rather than a vehicle-specific part—no particular make, model, chassis code, or engine code is tied to this listing. That makes it well suited for custom air intake system builds, piping fabrication, and replacement projects wherever a 2.5-inch to 1.5-inch straight silicone transition is needed. Mishimoto notes that if you’re using this hose, pairing it with part MMICP-AL-2250 is recommended.
Features
- 100-percent silicone construction
- Heat-resistant embedded fibers
- High heat and pressure tolerances
- Straight, transition-style coupler shape
- Coolant compatible
- Available in six colors, with this listing in black
- Backed by the Mishimoto Lifetime Warranty
Specifications
- Brand: Mishimoto
- Part Number: MMCP-2515BK
- Material: Silicone
- Shape: Straight
- Coupler Style: Transition
- Color: Black
- Length: 2.5 in
- Diameter Reduction: 2.5in to 1.5in
- End 1 Inside Diameter: 1.5 in
- End 1 Outside Diameter: 1.7 in
- Hose Clamps Included: No
- Coolant Compatible: Yes
- Purchase Includes: (1) Silicone Coupler—Mishimoto Lifetime Warranty
Frequently Asked Questions
What size pipes does the Mishimoto MMCP-2515BK connect?
It is a straight silicone coupler that transitions from 2.5 inches to 1.5 inches, with an End 1 Inside Diameter of 1.5 in and an End 1 Outside Diameter of 1.7 in.
Is this coupler vehicle-specific?
No, this is a universal-fit component—no specific applications, chassis codes, or engine codes are associated with this listing, making it suitable for custom air intake system and piping builds.
Does the MMCP-2515BK include hose clamps?
No, hose clamps are not included with this coupler.
Is this silicone coupler coolant compatible?
Yes, the MMCP-2515BK is coolant compatible.
What colors is this coupler available in?
This coupler is available in six colors; this specific listing is the black version, part number MMCP-2515BK.
What’s included when I purchase this coupler?
Your purchase includes (1) Silicone Coupler, backed by the Mishimoto Lifetime Warranty.
âš WARNING (California Proposition 65): This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
