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SKU: R40B-375-425

4.25" ID to 3.75" ID - Gloss Black - Reducing coupler

Regular price $22.99


Return Policy

You may initiate a return within 30 days from the date of delivery. After this timeframe, we reserve the right to deny the return or charge a restocking fee.

Delivery and Shipping

We strive to process and ship orders as quickly as possible. Order processing time typically ranges from 1 to 2 business days, excluding weekends and holidays. However, please note that processing times may vary depending on the availability of the product and other factors. We will make our best efforts to inform you of any significant delays.

Description

Fits your stepped piping

This silicone reducing coupler joins a 4.25" ID side to a 3.75" ID side, so you can connect mismatched tubing without fuss. The gloss black coupler has a smooth finish outside and a flexible feel that helps it slip over pipe ends cleanly.

Holds shape under load

Built with 4-ply reinforced silicone, it has the wall strength you want when clamps tighten down and the setup sees heat, vibration, or regular use. The black surface wipes clean easily, and the thick body keeps its round shape instead of collapsing at the neck.

Useful when space is tight

Reach for it on intake, intercooler, or custom plumbing jobs where you need a reducer that matches odd sizes and stays put. It gives you a tidy transition, not a bulky fix.

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