# Mishimoto Silicone Reducer Coupler 45 Degree 3.5in to 4in - Red

The expansive line of silicone couplers from Mishimoto continues to expand! We now offer a broad range of 45-degree transition couplers applicable for use in both coolant and air passage systems. Finding the ideal coupler for your project can be challenging, but we make it easy with a massive selection of various bends, sizes, and colors to achieve your goals. Our couplers feature four layers of silicone, each divided by a layer of heat-resistant embedded fibers. This combination results in maximum durability in extremely harsh environments. Our silicone couplers rated for temperatures up to 330°F and can withstand substantial boost pressures. These couplers are available in black, blue, and red, and as with all our products, they include our signature Mishimoto Lifetime Warranty.

-   Constructed from four layers of silicone with embedded heat-resistant fibers
-   High pressure tolerance is ideal for use on intercooler pipe connections
-   Allows for easy routing of complex coolant or intercooler pipes
-   Available in black, blue, or red to match any engine bay
-   Applicable for both coolant and air systems
-   Rated for temperatures up to 330°F
-   Mishimoto Lifetime Warranty
-   100% silicone construction

## Details

- **Price:** 96.52 CAD
- **Vendor:** Mishimoto
- **Type:** Silicone Couplers & Hoses

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 96.52 CAD | In stock |

## Images

- Photo - Primary
- User 1
- User 2

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/mishimoto-silicone-reducer-coupler-45-degree-3-5in-to-4in-red)
> Updated: 2026-08-25