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Anybody run dry exh.on hp 500 efi.

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Old 04-07-2002, 08:03 PM
  #1
mmo jo
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Default Anybody run dry exh.on hp 500 efi.

whould you pick up any mph.or hp.
 
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Old 04-07-2002, 09:48 PM
  #2
Blackhawkdn
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Word of advice, do not run dry exhaust on your hp500efi, power gain about zero , fire potential from dry pipes up significantly
 
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Old 04-07-2002, 09:54 PM
  #3
speel chekk this fokker!
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Location: Locust Valley, New York
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i ran fully dry pipes on my 454 and it sounded good. EXCEPT nobody wanted to go on myboat anymore because it was so loud you got aheadache within 15 minutes at idle. I myself found it too loud. Water is being introduced on the new custom tailpipes...
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Old 04-09-2002, 04:40 PM
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Default Dry exhaust

Changed to Gil Big Guns on
502 efi's. 72mph to 80mph
after going to 30p props.
Louder from behind, about the
same from the helm. 33'
Scarab.
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