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  1. #1

    Question shotgun III silencers???

    Wanting to quiet down hp500 @ low rpm with no power loss at wot. Does anyone have any input on the shotgun III silencers?

  2. #2
    Charter Member Charter Member Dean Ferry's Avatar
    My Boats:
    2006 Hustler 388, 2004 Hustler Talon 25, 1999 30 Spectre cat and 2007 21' hydrostream voyager w/ Merc. 225 EFI
    Join Date
    Nov 2000
    Merritt Is. Fl. USA
    Hey Frank Zappa,
    I have 1999 HP500 with Eickert Exhaust, (VERY LOUD) and I put the Shotgun III's on last year and have had good luck with them. I've adjusted them to they are open about .25" static and they open all the way @ WOT. They definitely take to Edge off my exhaust note, but they won't quiet it down like silence choice or anything. I haven't noticed any power loss from them either.
    Hope this helps,

  3. #3
    Registered jbrauer's Avatar
    My Boats:
    2003 Spectre 36' Poker Run
    Join Date
    Sep 2001
    Nashville, TN

    Thumbs up

    I have them on a pair of HP500-carb motors. I love 'em. They take the "bite" out around the dock, but they open up as the R's rise. No compressors, no solenoids, no problems.

    By the way if you want to buy four GIL switchable tips with the compressor let me know! They work great, but I was looking for an automatic system.

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