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Old 07-07-2003, 11:05 AM
  #21
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Bad Habit:

I tried the Shotguns in every possible setting. I understand clearly how the adjustments work. I am in no way slamming the Shotguns. The are among the nicest looking pieces made and they fit perfectly and appear to be durable.

My personal experience is that they just simply will not quiet the noise adequately to avoid a ticket in the area where I boat. I have talked with boaters and engine bulilders in other areas and they have told me the exact same thing.

Again, a very nice piece, but they did not make nearly enough decibel cut in my application.
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Old 07-07-2003, 12:21 PM
  #22
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Bad-Habit

We do have pictures on OSO in the Classified section. Give me a call and I can fax you the dimensions of our system.

Drew makes a nice piece, but as I have been reading through some of the posts about Drew Marine I keep reading how people have been replacing parts on his system. The one thing to keep in mind with our system is that we don't have any moving parts to break . Once they are installed you are done.
 
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Old 07-07-2003, 02:06 PM
  #23
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I DON'T NEED NO STINKING MUFFFLERSS!!
Well I don't want any, but unfortunetly the Swamp Swimming, Tree Hugging elitist are getting thier way on to many waterways!!
I went with the Drew Marine Shotguns. They quited my motor, a 502/550hp running thru almost dry Lightning headers.
The problem here is people just don't understand, nor appreciate the music of a fine tuned BBC singing out at 5000+ RPM!
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Old 07-07-2003, 03:02 PM
  #24
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Picture of HPI Silencers
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Old 07-07-2003, 03:04 PM
  #25
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This one Is our Clamp-ons
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Old 07-07-2003, 03:18 PM
  #26
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DO YOU HAVE ANY STRAIGHT THRU TO REPLACE THE STANDARD ONES I HAVE ON A 2003 25 BAJA WITH MAG 496 HO THEY SUCK
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Old 07-07-2003, 04:02 PM
  #27
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SLINGSHOT
The first pic is our T-mount style. We do have a inline that might work for you. give me a call 1-866-843-1900
 
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Old 07-10-2003, 01:55 AM
  #28
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Reveived my HPI clamp-ons today. Look very nice. No moving parts whatsoever. Through the length of 4" muffler, there is a 2.5" wide open pipe. That pipe is surrounded by a metal spiral. Most exhaust exits straight through the pipe, some through the spiral. That's probably where the muffling takes place. I have no idea how it works, but from the looks of it I can see no serious exhaust obstruction. Next week, they will go on the boat with a very loud HP525. Will report when having results.
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Old 07-10-2003, 08:14 AM
  #29
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I have been using the HPI for a month and they are great, no more moving parts that can break.
Thanks Dan (HPI) for a good product
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Old 07-10-2003, 08:30 AM
  #30
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Dr.Santiago,
What HP engines do you have and did you notice any max rpm change after the install. If so, how much?

Thanks,
Rick
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