I've had my Berk HFC and CBE installed for at least 2 years without any tune and no CEL either. Last year I installed a CAI (R2C) and still have not seen any CEL. The car runs great, gets good mileage and is a joy to drive.
I am planning on getting a tune in a few weeks, so we'll see if it makes a difference...
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mults
40th Anniversary 'Z', 312.06HP/260.58TQ (Dynosty EcuTek Tune)
Build Date/Number: 1/27/2010 #706
Berk HFC + CBE, R2C CAI, Clear Bra, Cleveland Z Club
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