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  1. #1
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    12" Mid/tuner question2

    Will it damage the power head if I add a baffle plate to the exhaust outlet of an older 12" studs up mid similar to a 15" mid plate. I realize it will hurt performance since this is the ONLY way exhaust gets out. I just want to quiet it down a little when lake boating.
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  2. #2
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    Just remember restriction on exhaust exits can cause excess heat build up ...

    Jay
    Jay @ JSRE

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  4. #3
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    Someone made a shut off plate for os mid, do a search, the thread has pics also , cable actuated, when closed exhaust went out lower and such , but, like Jay said hi rpm mota mite warm up little when closed at hi rpm , the guy that made his loved it and never reported over heating. I'll try find it and repost

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  6. #4
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    Quote Originally Posted by Merc 2.5 View Post
    Someone made a shut off plate for os mid, do a search, the thread has pics also , cable actuated, when closed exhaust went out lower and such , but, like Jay said hi rpm mota mite warm up little when closed at hi rpm , the guy that made his loved it and never reported over heating. I'll try find it and repost
    I can't block it off completely because this is a 12" mid so (((NO))) exhaust goes into the lower. I have an offshore mid on my STV and I made a plate with about 8 or 10 holes drilled in it and it now sounds more like a Bass mid.

  7. #5
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    Quote Originally Posted by PaulR View Post
    I can't block it off completely because this is a 12" mid so (((NO))) exhaust goes into the lower. I have an offshore mid on my STV and I made a plate with about 8 or 10 holes drilled in it and it now sounds more like a Bass mid.
    I gotcha , well for os mid it was set up kinda like a carb choke flap and works with throttle cable.or.sumthin. pretty smart idea , but.for ur 12 , it prob needs b mostly open ,like Jay sayin

  8. #6
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    Keep it like it is the kids will love it on your lake the Grandparents not so much lol

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