Benefits of an Exhaust Silencer

An exhaust silencer is an acoustic device that muffles noise caused by air exhausting from an engine. A silencer can reduce sound emission levels on your boat without reducing engine performance. When correctly configured a silencer can make your boat more acceptable to dockside limits.

ASR Silencers 

Acoustic Sound Reflection (ASR) is a patented technology developed in conjunction with aerospace engineers in the early 1990s. ASR Technology allows for great flow characteristics while reducing sound emission levels. The technology is a combination of a spiral core with custom geometry that reflects the exhaust frequencies to reduce sound pressure levels, making your boat more acceptable to dockside limits. CORSA Performance Marine has incorporated the ASR Technology into multiple muffler configurations (see below) to support engines ranging from 225HP- 650HP.

 Baffled Silencers

With a crisscrossed corkscrew design our baffled silencers offer various options for every application. By using our baffled equipped product you can achieve decibel reduction without losing significant horsepower to the engine. Ideal for engines up to 430HP depending on application. 

 

Many Applications are based on the Engine Displacement and Exhaust Configuration. 

Find yours Below:

 
  Max Horsepower Range  
Silencer Type  Exhaust Type 300hp 325hp 350hp 400hp 425hp 450hp 500hp 525hp 550hp 600hp 625hp 650hp 1000hp + Estimated dB Reduction*
4" Diameter Baffled Series Thru-Hull x                         4-8 dB
4" Diameter Baffled Series Capt Call/Q+QII x x x x x x               4-8 dB
5" Hi-Flow Series  Thru-Hull x x x x x                 4-8 dB
5.5" ASR Series  Thru-Hull x x x x x x               4-8 dB
5.5" ASR Series  Capt Call/Q+QII x x x x x x x             4-8 dB
6.0" ASR Series  Thru-Hull     x x x x x x x         4-8 dB
6.0" ASR Series  Capt Call/Q+QII     x x x x x x x x       4-8 dB
6.5" ASR Series  Thru-Hull         x x x x x x       4-8 dB
6.5" ASR Series  Capt Call/Q+QII         x x x x x x x x   4-8 dB
6.5" HP Series  Thru-Hull             x x x x x x x 2-4 dB
6.5" HP Series  Capt Call/Q+QII             x x x x x x x 2-4 dB
 
Note:*** dB reduction is an estimated value, modifications, superchargers, turbo's, tunes ect all affect the overall sound reduction***
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