07-03-2012, 09:04 AM
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#3 (permalink)
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A True Z Fanatic
Join Date: Jul 2011
Location: Scottsdale
Age: 34
Posts: 1,636
Drives: 09 BS 7AT 370z
Rep Power: 18
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2. Is a tune (up rev) necessary for the above set up and if so how much does it improve the system. --- A tune will be necessary if you make any changes to the CATS or Headers because a light will pop up on your dash. But really you should get a tune when all your mods, or any significant changes are made.
3. Let's say hypothetically headers/catalytic plus the CBE gives the car an additional 30 hp how much is from the headers/catalytic alone? I think from High Flow Cats & Headers people are getting around 15-20 extra hp but thats mostly from HFC, I believe.
4. Is an upgraded CBE truly necessary over stock when switching headers/catalytic? Or is mostly a question of sound. Watch this video on youtube. Its someone that kept the stock exhaust on and just got HFC. 370z Berk HFC - YouTube
If getting HFC's aren't what your looking to do- spend $250 bucks and get AAMs for the time being. You will get a great ROAR.
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