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05-24-2005, 09:35 PM
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#1
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Platinum Member
 Platinum Member
Join Date: Feb 2002
Location: Maine
Posts: 239
2001 Formula 312 Fas Tec
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Box is Gone And GGB's are on!!
Ok, Finally took off the silent thunder box and went with the GGb extreme transom mount mufflers, What a difference in appearence and sound!! Was about a 3 hour job removing the tips and installing the mufflers, As luck would have it the screw holes for the tips were the same pattern as the studs on the mufflers so only had to drill thru the screw holes thru the transom and bolt on the ggb's, Even with the built in reversion valve i went with salsbury flaps also.
No loss of rpm's and no loss of speed, But a loss of weight off the back of the boat and a nice rumble to keep the noise police away!!!
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If its not Black Take it Back
Last edited by formuladude312; 05-24-2005 at 09:38 PM.
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05-24-2005, 09:36 PM
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#2
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Registered
Join Date: May 2003
Location: In the Mountains
Posts: 11,772
was a 89" Formula 311-SR1
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Re: Box is Gone And GGB's are on!!
Congratulations:
So where's the pix??????
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05-24-2005, 09:46 PM
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#3
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Platinum Member
Platinum Member
Join Date: Feb 2002
Location: Maine
Posts: 239
2001 Formula 312 Fas Tec
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Re: Box is Gone And GGB's are on!!
Quote:
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Originally Posted by Formula Outlaw
Congratulations:
So where's the pix??????
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Oops, Forgot the pics, Boat is now in the water, When i pull it out i will take some, 
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If its not Black Take it Back
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05-24-2005, 11:03 PM
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#4
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Registered
Join Date: Dec 2002
Location: 1000 Islands
Posts: 4,577
353 FasTech
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Re: Box is Gone And GGB's are on!!
uh oh... 
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05-24-2005, 11:56 PM
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#5
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Banned
Platinum Member
Join Date: Sep 2001
Location: Deland, Florida
Posts: 25,194
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Re: Box is Gone And GGB's are on!!
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Originally Posted by Troutly
Did you by chance have a db measurement
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Looks like the law is on you already!
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05-25-2005, 12:03 AM
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#6
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Charter Member #232
 Charter Member
Join Date: Oct 2000
Location: Manchester, MA USA
Posts: 17,516
1979 Formula 302
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Re: Box is Gone And GGB's are on!!
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Originally Posted by formuladude312
Oops, Forgot the pics, Boat is now in the water, When i pull it out i will take some, |
Don't worry they are going to be all over Paul and his new Cig. That thing is UNREAL!!!!! I could hear him loud and clear from my land
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God is my Co-Pilot..... but I hit a mountain and had to eat him.
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05-25-2005, 09:38 AM
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#7
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Platinum Member
Platinum Member
Join Date: Feb 2002
Location: Maine
Posts: 239
2001 Formula 312 Fas Tec
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Re: Box is Gone And GGB's are on!!
Quote:
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Originally Posted by Audiofn
Don't worry they are going to be all over Paul and his new Cig. That thing is UNREAL!!!!! I could hear him loud and clear from my land |
Audio, Paul and Kurt launched the cig saturday while i was waxing the 312, and yes, Paul is going to have issues definatly, I am sure neil will be stopping by to see him 
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If its not Black Take it Back
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05-25-2005, 09:45 AM
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#8
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Platinum Member
Platinum Member
Join Date: Feb 2002
Location: Maine
Posts: 239
2001 Formula 312 Fas Tec
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Re: Box is Gone And GGB's are on!!
Quote:
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Originally Posted by Troutly
Did you by chance have a db measurement done before so you can compare to after?
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Troutly, Yes i did have a reading taken last year by the game warden when i had the box off with just the tips, 3' back and 3' up was 101 db we are allowed 90 db here, I am confident that it will be less then 90 or so because it is not a whole lot louder with the mufflers then it was with the silent thunder box,
__________________
If its not Black Take it Back
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05-25-2005, 11:07 AM
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#9
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Platinum Member
Platinum Member
Join Date: Feb 2002
Location: Maine
Posts: 239
2001 Formula 312 Fas Tec
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Re: Box is Gone And GGB's are on!!
Quote:
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Originally Posted by Troutly
Gotcha. I was hoping you had a reading comparing the box to the GGB's. I recall how quiet my Silent Thunder was on my 312 with 502's so I was curious as to how the GGB's compared.
Have fun 
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Troutly, I did not get one with the box on, Unfortunatly, The warden was not interested, But i got his attention when i took it off
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If its not Black Take it Back
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05-25-2005, 11:10 AM
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#10
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Platinum Member
Platinum Member
Join Date: Feb 2002
Location: Maine
Posts: 239
2001 Formula 312 Fas Tec
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Re: Box is Gone And GGB's are on!!
Before Pic With box
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