07-05-2013, 11:51 PM
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#1 (permalink)
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A True Z Fanatic
Join Date: Jan 2012
Location: Dallas/Ft.Worth
Posts: 3,349
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Quote:
Originally Posted by synolimit
Damn, not bad. Exhaust too? I only ask because how were the AFR? I thought I read, intakes and full exhausts weren't the greatest to run alone.
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It was with the OEM exhaust off of a Nismo 370, stock headers and cats.
Only thing we did was put the filters in.
According to the widebands on board and the wideband at the tail pipe, AFRs were exactly the same, it just traced higher on the MAF volts (a tiny bit) because it was pulling more air, and the ECU compensated by adding fuel, exactly as the system is supposed to work in open loop.
With the non-nismo exhaust, maybe there would be a difference in the gain you get from the filters, but I really doubt it.
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