---
product_id: 441448964
title: "Better Boat Motor Muffs Outboard Motor Muffs and Inboard I/O Ear Flusher Motor Flush Warmer Parts Hose Adapter Muffs Outboard Engine Flush Marine Use Kit Accessories Winterizing Flushing & Warming"
brand: "better boat"
price: "¥10475"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/441448964-better-boat-motor-muffs-outboard-motor-muffs-and-inboard-i
store_origin: JP
region: Japan
---

# Double-sided water intake for superior flushing 10.5" rotating ears for universal fit Tool-free quick connect hose adapter Better Boat Motor Muffs Outboard Motor Muffs and Inboard I/O Ear Flusher Motor Flush Warmer Parts Hose Adapter Muffs Outboard Engine Flush Marine Use Kit Accessories Winterizing Flushing & Warming

**Brand:** better boat
**Price:** ¥10475
**Availability:** ✅ In Stock

## Summary

> 🚤 Keep your engine fresh and ready—because your boat deserves the best!

## Quick Answers

- **What is this?** Better Boat Motor Muffs Outboard Motor Muffs and Inboard I/O Ear Flusher Motor Flush Warmer Parts Hose Adapter Muffs Outboard Engine Flush Marine Use Kit Accessories Winterizing Flushing & Warming by better boat
- **How much does it cost?** ¥10475 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/441448964-better-boat-motor-muffs-outboard-motor-muffs-and-inboard-i)

## Best For

- better boat enthusiasts

## Why This Product

- Trusted better boat brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** Standard hose connection with quick connect adapter means no tools, no fuss—get flushing in seconds.
- • **Double-Sided Flush Power:** Dual water intakes maximize cooling and cleaning efficiency, leaving your engine spotless and winter-ready.
- • **Universal Fit, Zero Hassle:** Rotating ears and flexible U channel adapt seamlessly to almost any outboard or I/O engine—flush smarter, not harder.
- • **Family-Owned Quality Assurance:** Crafted by Better Boat, a trusted American brand committed to premium durability and customer happiness.
- • **Engine Winterizer’s Best Friend:** Rubber seals and flexible water lines ensure your motor stays protected and primed through every season.

## Overview

The Better Boat Motor Muffs 2025 Edition offers a universal, double-sided flushing solution with rotating ears and watertight seals, designed for easy, tool-free installation. Perfect for outboard and inboard/outboard engines, it ensures superior cooling, cleaning, and winterizing, backed by a family-owned American brand focused on quality and customer satisfaction.

## Description

Better Boat Motor Muffs Outboard Motor Muffs and Inboard I/O Ear Flusher Motor Flush Warmer Parts Hose Adapter Muffs Outboard Engine Flush Marine Use Kit Accessories Winterizing Flushing & Warming

## Features

- [ STRONGER 2025 EDITION ] Our premium boat muffs outboard as well as I/Os are constructed with rubber, flexible water lines and water tight seals to test, cool, winterize, warm and idle your engine before using or as part of a winterizing kit.
- UNIVERSAL FIT: Our outboard motor muffs offer rotating ears and a U channel measuring 10.5" to rotate and adapt to almost any outboard motor and Inboard/Outboard I/O engines. Large ear muffs to flush away engine dirt while allowing easy flushing.
- DOUBLE SIDED: Increased water supply from two sides offers superior intake compared to old single sided boat motor muffs. The flexible water tight boat muffs measure 3 1/4" by 5" and bend to allow the flusher to snuggly pinch your intakes.
- STANDARD INSTALL: Our boat ear muffs outboard use connects to a standard hose with an included optional quick connect male adapter end and rubber washer. No tools needed and use with our without additional marine salt flush kit boat parts.
- WHY CHOOSE BETTER BOAT PRODUCTS: We are a family owned American business committed to making premium quality products and our customers happiness. We stand behind the quality of our products and will provide you with the best customer service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Better Boat |
| Brand | Better Boat |
| Model | BB-DUAL-MUFF |
| Product Dimensions | 13.97 x 13.97 x 43.18 cm; 780 g |
| Item model number | BB-DUAL-MUFF |
| Manufacturer Part Number | BB-DUAL-MUFF |
| Lift Type | Manual |
| Item Weight | 780 g |

## Product Details

- **Brand:** Better Boat
- **Item weight:** 0.78 Kilograms
- **Colour:** Blue and Black
- **Material:** Rubber
- **Engine type:** Outboard Motor

## Images

![Better Boat Motor Muffs Outboard Motor Muffs and Inboard I/O Ear Flusher Motor Flush Warmer Parts Hose Adapter Muffs Outboard Engine Flush Marine Use Kit Accessories Winterizing Flushing & Warming - Image 1](https://m.media-amazon.com/images/I/71ndZDgjXRL.jpg)

## Frequently Bought Together

- Boat Motor Muffs, Outboard & Inboard I/O Engine Flush Kit, Ear Flusher Hose Adapter for Marine Engine Winterizing, Flushing & Warming
- Quicksilver 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives, 32 oz
- Slippery Pete - Lower Unit Gear Oil Pump for Standard Quart Bottles, Includes 3/8 inch Metal Swivel, 8mm and 10mm Adapters Fit Most Marine Boat Outboard Motors (NOT COMPATIBLE WITH VOLVO PENTA)

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**Shop now:** [https://www.desertcart.jp/products/441448964-better-boat-motor-muffs-outboard-motor-muffs-and-inboard-i](https://www.desertcart.jp/products/441448964-better-boat-motor-muffs-outboard-motor-muffs-and-inboard-i)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-25*