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Swapping test pipe to HFC

Originally Posted by abm89 I went from from test pipes to HFCs. I will say with my experience with different combos of exhaust, the noise level is HIGHLY dependent on

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Old 11-05-2020, 07:23 PM   #10 (permalink)
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Originally Posted by abm89 View Post
I went from from test pipes to HFCs. I will say with my experience with different combos of exhaust, the noise level is HIGHLY dependent on your catback and how many resonators it uses. I'll list what I've run to give you and idea from Loudest to Quiet

Tomei Expreme Ti (Z33) | Invidia Test Pipes -> WAAAAY TOO LOUD
Motodyne Shockwave + Thunder Mid Pipe | Z1 HFC -> very loud, will likely run this at tracks like COTA just for fun
Tomei Expreme Ti (Z33) | Motordyne ART Pipes -> ran this for a long time, eventually was too loud for me as I couldn't hear passengers in the car and i've developed some minor hearing loss with extended use
Motordyne Shockwave + standard muffler| Invidia Test Pipes -> really good overall sound level. a tad loud but not obnoxious
Motordyne Shockwave + Standard muffler | Z1 HFC -> current setup and honestly really cleaned up the sound of the exhaust
Invidia Gemini | Invidia Test Pipes -> a really tame setup but also makes good noise when you get on it. nothing but complements with this setup.
Tomei Expreme Ti (Z33) | Stock Cats -> a bit unrefined but weight savings bro.
Invidia Gemini | ART Pipes -> honestly was a shock. very close to stock because of the hemholtz resonators. could barely hear it.
Stock

Do you think if I get the invidia Gemini and add that to my resonator test pipe that it’ll be too quiet or will the sound level would be about the same as I have now? Just need something a tad quieter
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