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Blue Thunder
04-28-2009, 07:15 PM
Anyone tried these mufflers? Were you satisfied with the noise reduction and minimal power loss? I'm looking for noise reduction on
650hp supercharged engines. Are these a good choice?

http://www.hardin-marine.com/detail~ID~1316.aspx
DiamondPerformance
04-29-2009, 08:42 AM
Dave, those mufflers will take the bark out of your engines, are you going stealth?!
Ratickle
04-29-2009, 08:48 AM
Dave, those mufflers will take the bark out of your engines, are you going stealth?!

How much HP are they good to without hurting?
Blue Thunder
04-29-2009, 09:23 AM
Dave, those mufflers will take the bark out of your engines, are you going stealth?!

Yeah, I'm growing tired of the dry pipe crackle. Plus I will be able to hear the blower whine better :sifone:

Do you have any specifics Bill on db reduction and hp losses? Do you sell these?
DiamondPerformance
04-29-2009, 09:25 AM
For 650hp i would suggest these - 410-283450 Cyclone Series Clamp-On Silencer.