The Gibson marine turndown clamp-on slash-cut tips (pair) with a 4‑in inlet and 12‑in overall length are stainless clamp-on tips tested in high‑power marine applications. They’re built from stainless steel, use water to help dampen sound in marine installations, and have been shown in testing to help meet the J2005 motorboat sound law limits. The tips install with a simple clamp-on design.
Gibson Marine Turn Down Slash-Cut Tip (Pair) - 4in Inlet/12in Length - Stainless