AAM or Beks
Go with GTM resonated test pipes, they're the best thing you can ever get, or get Invidia HFC since they're the highest flowing HFC on the market with only 200 cell metalic core (compared to other 300 and 250 cell cores) and they're made in Japan 
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Registered User
Joined: Mar 2009
Posts: 424
Likes: 5
From: Oman, Muscat
Hi there,
I'm new here and I too want to cancel the catalytic converters on my 2007 G35 Sedan (VQ35HR) and replace them with either an AAM or Berk's test pipe for better performance.
I found the AAM for around $240 (alteredatmosphere.com) and the Berk for $315 (importpartspro.com).
Since everyone recommends Berk. Does anyone know where I can get a better price for it and is it possible to make a custom test pipe with getting any notification lights on the gauges.
I'm new here and I too want to cancel the catalytic converters on my 2007 G35 Sedan (VQ35HR) and replace them with either an AAM or Berk's test pipe for better performance.
I found the AAM for around $240 (alteredatmosphere.com) and the Berk for $315 (importpartspro.com).
Since everyone recommends Berk. Does anyone know where I can get a better price for it and is it possible to make a custom test pipe with getting any notification lights on the gauges.
Registered User
Joined: Mar 2009
Posts: 424
Likes: 5
From: Oman, Muscat
based on this . . do u think that they are even better than a regular TPs in terms of performance ?
No, compared to other HFC on the market they just flow a tiny bit more.
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