Hi-Flow Cats too loud!

john370z · 08-22-2009, 08:30 PM

OK OK OK.. I did it today! I took off the Berk HFC's!

Oh my God!

I love my car again!!!!!

It sounds about 75% less noisy.
100% less raspy!
100% less drone!
and still has a sporty sound at the upper rpm range.

To be honest, I drove home with a smile on my face the entire drive home from the exhaust shop, and that's the first time that's happened.

If anyone is one the fence on this one. I hope this pushes you in one way.

Good luck to all!

2fast4thelaw · 08-29-2009, 10:50 PM

I havent pulled my cats yet and I may not. I just got my car back from the car audio shop and they put 120 sq ft of sound deadning in the car and it is sooo quiet inside. I can't hear the anoying drone anymore. Its a night and day difference not to mention hardly any road noise now.

I can live with HFC now. Without the sound deadning, I was ready to yank them like "John370z"

MacDaddy · 08-30-2009, 12:07 AM

2Fast, not to get off thread but other than the doors, where did the shop install the material...I'm guessing dynamat??? Fixin to do mine

thanks

mac

2fast4thelaw · 08-30-2009, 01:54 AM

Actually I used Rammat. Its not only cheaper but its better. I bought 2 rolls which are 62.5 sqft for about a $100.00 a roll. Plus I bought 6 yards of ensolite foam barrier that is glued to the Rammat.

RAAMaudio

I had it applied double layer in the trunk floor and wheel wells and yes, both doors. It was very well worth it as the car is amazingly quiet inside.

I had the entire interior of the car removed. I am adding pictures of the process on the Audio thread but there are a few there already.

08-22-2009, 08:30 PM	#1 (permalink)
john370z Base Member Join Date: Jan 2009 Location: new mexico Posts: 141 Drives: 2007 335i coupe Rep Power: 284	OK OK OK.. I did it today! I took off the Berk HFC's! Oh my God! I love my car again!!!!! It sounds about 75% less noisy. 100% less raspy! 100% less drone! and still has a sporty sound at the upper rpm range. To be honest, I drove home with a smile on my face the entire drive home from the exhaust shop, and that's the first time that's happened. If anyone is one the fence on this one. I hope this pushes you in one way. Good luck to all! __________________ 2009 370Z, Had Berk HFC and un-installed them cuz too noisy!, Stillen CBE, 10mm rear wheel spacer, K&N drop in filters. Blower to come...

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08-29-2009, 10:50 PM	#2 (permalink)
2fast4thelaw Enthusiast Member Join Date: Feb 2009 Location: Denver Co Age: 50 Posts: 403 Drives: 09 370Z Sport/MT6 Rep Power: 17	I havent pulled my cats yet and I may not. I just got my car back from the car audio shop and they put 120 sq ft of sound deadning in the car and it is sooo quiet inside. I can't hear the anoying drone anymore. Its a night and day difference not to mention hardly any road noise now. I can live with HFC now. Without the sound deadning, I was ready to yank them like "John370z"

08-30-2009, 12:07 AM	#3 (permalink)
MacDaddy Base Member Join Date: May 2009 Location: NRH2O, Texas Posts: 32 Drives: 09 370Z MB 7AT Rep Power: 16	2Fast, not to get off thread but other than the doors, where did the shop install the material...I'm guessing dynamat??? Fixin to do mine thanks mac

08-30-2009, 01:54 AM	#4 (permalink)
2fast4thelaw Enthusiast Member Join Date: Feb 2009 Location: Denver Co Age: 50 Posts: 403 Drives: 09 370Z Sport/MT6 Rep Power: 17	Actually I used Rammat. Its not only cheaper but its better. I bought 2 rolls which are 62.5 sqft for about a $100.00 a roll. Plus I bought 6 yards of ensolite foam barrier that is glued to the Rammat. RAAMaudio I had it applied double layer in the trunk floor and wheel wells and yes, both doors. It was very well worth it as the car is amazingly quiet inside. I had the entire interior of the car removed. I am adding pictures of the process on the Audio thread but there are a few there already.