Underwater Exhaust Muffler – Vertical

Centek Marine Underwater Exhaust Muffler – Vertical — Underwater exhaust silencer that discharges exhaust below the hull for best noise and odor suppression; vertical design for engine room mounting; all inboard applications; gas or diesel; engine must be above waterline. Sound attenuation 25–30 dB. Lloyd's Register Type Approval. Equipped with stainless crush sleeves, white gel coat, bypass vent at idle to reduce backpressure. Part #107V600: 6"×6"×3" I/O. Part #107V800: 8"×8" In/Out, 4" bypass, 18.5" dia, 31"H..