12-08-2009, 09:12 PM
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#1 (permalink)
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A True Z Fanatic
Join Date: Mar 2009
Location: Charleston, SC
Posts: 15,181
Drives: '07 Z4 "M" Roadster
Rep Power: 58
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Quote:
Originally Posted by BerkTech
Even with the Berk HFC's installed on Minicobra's car our exhaust system already meets your criteria.
In cabin noise and drone at highway cruising speeds was a high priority engineering consideration. We took the car for a cruise and I can say that in 6th at 70 or 80mph it is 100% wife/girlfriend/client/mother in law approved! 
I'll let Minicobra chime in since he has been able to put a few more miles on it since the install. |
Thanks, and to add one last important one (to me) on that approved list, "aftermarket stereo approved (I love my sounds)  "
So, based on previous HP gain discussions, I could expect to gain as much as 20HP also, since this will be the first piece to open up the system?
John
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