Made In U.S.A.
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Pro-Flow marine mufflers are designed and manufactured to not lose horsepower. They feature all stainless steel construction, proven Hi-Helix spiral muffler cores, and a vortex variable flapper. When used properly, these mufflers will meet or exceed CA J2005 noise laws. There are several versions available to fit a variety of applications. All standard Pro-Flow mufflers are only rated up to 425 HP. If you require a muffler for a higher horsepower application, take a look at our Vortex Pro-Flow muffler series. There are several versions available to fit just about any horsepower application.
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SLP-0030
4" Slip-In Pro-Flow Mufflers (pr)
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Pro-Flow mufflers utilize DMP's proven Hi-Helix muffler core design. These mufflers are rated for applications up to 425HP. They offer maximum noise reduction while not hurting your engine's performance. The exclusively designed Vortex variable flapper will allow your engine to breath in high RPM situations yet keep your boat within strict noise regulations. All stainless steel construction, they will fit into most 4" diameter exhaust tips. 6.5" long. Sold in pairs.
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SLP-0035
4" Clamp-On Pro-Flow Mufflers (pr)
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Pro-Flow mufflers utilize DMP's proven Hi-Helix muffler core design. These mufflers are rated for applications up to 425HP. They offer maximum noise reduction while not hurting your engine's performance. The exclusively designed Vortex variable flapper will allow your engine to breath in high RPM situations yet keep your boat within strict noise regulations. All stainless steel construction, they will clamp onto most 4" diameter exhaust tips. 6.5" long. Sold in pairs.
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SLP-0036
4" Clamp-On Downturn Pro-Flow Mufflers (pr)
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Pro-Flow mufflers utilize DMP's proven Hi-Helix muffler core design. These mufflers are rated for applications up to 425HP. They offer maximum noise reduction while not hurting your engine's performance. The exclusively designed Vortex variable flapper will allow your engine to breath in high RPM situations yet keep your boat within strict noise regulations. Downturn mufflers offer additional noise reductions by aiming exhaust noise at a downward angle toward the water line. All stainless steel construction, they will clamp onto most 4" diameter exhaust tips. 8.5" long. Sold in pairs.
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SLP-0015
4" Inline Pro-Flow Mufflers (pr)
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Pro-Flow mufflers utilize DMP's proven Hi-Helix muffler core design. These mufflers are rated for applications up to 425HP. They offer maximum noise reduction while not hurting your engine's performance. The exclusively designed Vortex variable flapper will allow your engine to breath in high RPM situations yet keep your boat within strict noise regulations. All stainless steel construction, they fit into 4" exhaust hose and are 6.5" long.
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SLP-0020
3" Inline Pro-Flow Mufflers (pr)
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Pro-Flow mufflers utilize DMP's proven Hi-Helix muffler core design. These mufflers are rated for applications up to 425HP. They offer maximum noise reduction while not hurting your engine's performance. The exclusively designed Vortex variable flapper will allow your engine to breath in high RPM situations yet keep your boat within strict noise regulations. All stainless steel construction, they fit into 3" exhaust hose and are 11.5" long.
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SLP-0025
3.5" Inline Pro-Flow Mufflers (pr)
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Pro-Flow mufflers utilize DMP's proven Hi-Helix muffler core design. These mufflers are rated for applications up to 425HP. They offer maximum noise reduction while not hurting your engine's performance. The exclusively designed Vortex variable flapper will allow your engine to breath in high RPM situations yet keep your boat within strict noise regulations. All stainless steel construction, they fit into 3.5" exhaust hose and are 11.5" long. Sold in pairs.
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EX-0016
4" Pro-Flow Muffler Tips - Long (pr)
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Pro-Flow mufflers utilize DMP's proven Hi-Helix muffler core design. These muffler tips are rated for applications up to 425HP. They offer maximum noise reduction while not hurting your engine's performance. The exclusively designed Vortex variable flapper will allow your engine to breath in high RPM situations yet keep your boat within strict noise regulations. All stainless steel construction, includes DMP's new heavy duty silent operation flapper carraige. 11.5" long, 6.5" outside and 5" inside. Sold in pairs.
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EX-0026
4" Pro-Flow Muffler Tips - Short (pr)
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Pro-Flow mufflers utilize DMP's proven Hi-Helix muffler core design. These muffler tips are rated for applications up to 425HP. They offer maximum noise reduction while not hurting your engine's performance. The exclusively designed Vortex variable flapper will allow your engine to breath in high RPM situations yet keep your boat within strict noise regulations. All stainless steel construction, includes external clamp-on flappers. 7" long, 2" outside and 5" inside. Sold in pairs.
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SLP-0010
Econo Slip In Mufflers 4" (pr)
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These slip in mufflers are 4 3/4" long. They will fit into most 4" exhaust tips. All stainless steel construction insures corrosion resistance. Noise levels will vary depending on the engine and exhaust tip location. Not recommended on engines producing more than 365 HP.
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BLF-1140
Silicone Rubber 3 oz. Tube Clear
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Boat Life marine silicone rubber is non-corrosive, mildew resistant, and stays permanently flexible. It will not dry out, crack, shrink, or yellow. These marine silicones are availble in white, black, and clear.
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Prices subject to change without notice.
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