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400 sold in the last 30 days

Rectangle Boat Motor Muffs

Regular price $20.99 Sale price$16.79 Save 20%
  • Free shipping orders $60+

  • Est Delivery by
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  • 30-Day Money Back Guarantee

  • Flush salt, sand, and debris from engine passages without putting the boat in the water.
  • Rectangle rubber ears flex around wider intake openings for a better seal during flushing.
  • Rotating U channel helps the muffs fit most outboard and inboard outboard engines.
  • Connects to a garden hose in seconds for flushing, warming, idling, or winterizing prep.
  • A simple maintenance tool that earns its space after every salt water run.

More Details

  • Rectangle style motor muffs with rubber ears and flexible water lines.
  • Rubber ear size is 3.25 inches by 5 inches.
  • U channel depth is 9.25 inches.
  • Connects to a standard garden hose.
  • Includes quick connect male adapter and rubber washer.

Description

Rectangle Boat Motor Muffs make routine engine flushing straightforward at home, at the dock, or before storage. Place the muffs over the intake, connect a standard garden hose, and run water through the engine for flushing, warming, idling, or winterizing prep.

The rectangle ears are shaped for wider, flatter intake openings and flex to help create a water tight grip. The rotating U channel gives the muffs the adjustability needed for most outboard and I/O engine setups.

Our Shipping Rates and Speeds

  • All orders under $60 ship for $6.99
  • Orders over $60 ship for FREE
  • You can expect to receive your items in 3 to 7 days in almost all scenarios
  • 90% of orders arrive in 4 days or less

Try our rectangle boat motor muffs risk free for 30 days. If you are not satisfied, get a full refund.

Flush Salt Fast

Helps clear salt silt and debris before buildup harms your engine

High Flow Seal

Flexible rectangular cups help direct water into side intakes

Tool Free Setup

Connects to a standard garden hose for quick driveway maintenance

Storage Ready

Use for flushing testing warming and winter prep on land

Customer Reviews

Frequently Asked Questions

Yes, these feature a universal design with rotating ears and a 9 1/4" deep frame to adapt to the majority of outboard and I/O engines on the market.

Absolutely. These muffs are a critical part of a winterizing kit, allowing you to run the engine on land to circulate fresh water or antifreeze.

No tools are required. The flusher connects directly to a standard garden hose, and we even include a quick-connect adapter for your convenience.

The 3 1/4" x 5" rectangular shape provides a larger surface area and a better "pinch" on the intake vents of modern, larger lower units, ensuring a tighter seal.

It is recommended to only idle your engine while using a flusher to ensure the water pressure from the hose is sufficient to keep the engine cool.

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