Subject	I used the venturis mentioned in the first reply.
Posted by	300NASeattle on May 13, 2018 at 2:49 PM
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In Reply To	Ways to lessen drone in a Labree 3" exhaust system? posted by TTkeeper on May 08, 2018 at 06:25 PM
Message	I have an NA with the Specialty Z 2.25 Exhaust with big resonated H pipe and put 2" Venturis just after the H-pipe. I bought mine from Techtonincs Tuning. [ http://techtonicstuning.com/main/index.php?main_page=product_info&cPath=2_11_4_17&products_id=759 ] I don't know if the 2.5" will work in your 3" exhaust or not - the venturi size is the restricted diameter and not the outside diameter at the widest spot but you will need to verify the sizing. It made a considerable difference in the drone I was experiencing. It should make a bigger difference for a TT with the turbos muffling most of the noise.
Follow Ups	Ways to lessen drone in a Labree 3" exhaust system? - TTkeeper 18:25:36 05/08/18 Helmholtz resonator - Gordo NA2LS Daytona 08:04:23 05/09/18 any Z32 owners using Helmholtz resonators ? - TTkeeper 15:43:39 05/09/18 Check out these threads... - nissubaru 17:09:21 05/09/18 Re: any Z32 owners using Helmholtz resonators ? - itsa300zx 17:09:56 05/09/18 AdamLZ, youtuber, tried some on a Z33 with meh results, YMMV (n/m) - SkiFly01 12:04:24 05/11/18 could try this - shiers69 10:36:03 05/09/18 laughed at that (n/m) - TTkeeper 15:41:35 05/09/18 I used the venturis mentioned in the first reply. - 300NASeattle 14:49:36 05/13/18
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