Your 300 hp inline‑six puts in the hard work-let this splash cover handle the daily wear and tear. Cut precisely for the tall L6 profile, it slides on in seconds and sits snug, so you won't hear it flapping down the highway. The outer layer is Polysoft II: 95 % waterproof to shrug off spray, yet 5 % breathable to let hidden moisture escape. UV‑stable dyes and bold Mercury graphics keep the cover-and your cowling-looking sharp season after season, while a soft, non‑abrasive backing protects that high‑gloss paint. Rated to 660 lb tear strength, it stands up to rogue hooks and dock bumps without splitting.. The Mercury Vented Splash Cover is made to use while running your outboard. Why it's the first thing you pack:. Shields against UV fade, salt corrosion, bird droppings, lure dings, tow‑rope scuffs, and parking‑lot knocks. Elastic hem locks the cover in place-no straps, snaps, or fuss. Vented panels prevent ballooning while maintaining airflow around the powerhead. Cleans up fast: hose