Subject	likely your hi flow cats have a lot to do with it
Posted by	LJZTT on February 01, 2017 at 4:41 PM
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In Reply To	There isn't any drone with the Borla back half exhaust. posted by Zblackbeast on February 01, 2017 at 10:32 AM
Message	I have 2.5", no cats, JWT Genie exhaust (considered one of the quietest "performance" catbacks available) and I still have some droning at the 2k-2.4k rpm range. Nothing nearly as drastic as I have heard on other TT's and NA's, but it is still there. I will be going with hi flow cats when I switch up to 3" exhaust, then see if any additional measures are necessary "We pretended to work, and they pretended to pay us." --Mikhail Khodorkovsky "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." --Winston Churchill "When the people find that they can vote themselves money, that will herald the end of the republic." --Benjamin Franklin "Government is not reason. It is not eloquent. It is force. Like fire, it is a dangerous servant and a fearful master." "The last official act of any government is to loot the treasury." --George Washington END THE FED ....learn why, in 42 minutes
Follow Ups	Quiteing exhaust 2+0 / 2+2 - njz 13:26:18 01/31/17 Thank you ... - ConVerTT 14:04:58 01/31/17 1141 2.5". Amazon lowest price. (n/m) - njz 14:09:17 01/31/17 Re: 1141 2.5". Amazon lowest price. - njz 14:18:27 01/31/17 Re: Re: 1141 2.5". Amazon lowest price. - Smokiedabear 14:49:29 01/31/17 Re: Re: Re: 1141 2.5". Amazon lowest price. - njz 15:11:49 01/31/17 haha, maybe my ears are going bad, my rb20 was much louder - Smokiedabear 09:11:58 02/01/17 I dont know what they are called, but did you look into - LJZTT 17:11:49 01/31/17 Re: I dont know what they are called, but did you look into - njz 19:43:58 01/31/17 Helmholtz resonators - BlackholeZ 20:18:41 01/31/17 I was reading a bit about this on a random forum where one - PiotrC70 23:09:48 01/31/17 I am curious to find a documented successful application - LJZTT 02:02:11 02/01/17 There's a few people in my Nissan/Infiniti group that run - PiotrC70 09:16:14 02/01/17 not really... - vorpalZ 12:04:58 02/01/17 Simple, be a welder :-) - BlackholeZ 18:16:12 02/01/17 this guy claims it worked on his 350Z for the 2k rpm drone - LJZTT 02:11:05 02/01/17 I installed 12" Synapse No-Drone Resonators on the SZ 3" - MixManMash 03:23:28 02/01/17 I'm hoping to repeat the following procedure and report back - Jiro 00:42:26 02/01/17 There isn't any drone with the Borla back half exhaust. - Zblackbeast 10:32:40 02/01/17 likely your hi flow cats have a lot to do with it - LJZTT 16:41:05 02/01/17 Ditto for the Borla. (n/m) - josh 17:19:48 02/01/17 Glad it's quiet for you now - FrozTTy 13:48:50 02/01/17
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