HPT Pro Tuner
Join Date: Mar 2008
Location: Rancho Santa Margarita, CA
A bigger one is needed when the stock one limits have been reached whether by airflow (G/sec) or frequency (HZ).
Most people do whatever to increase power, including changing to a bigger MAF when the stocker can do the job, changing to a bigger MAF is not a plug and play thing, your PCM has to be calibrated to know working parameters from the new MAF. Normally the LS7 style is preferred because the parameters from the Z06 MAF are readily available.
You don't need one, Rick's ported intake would do wonders, and the stock MAF would be more than adequated.
2012 Mustang GT, M6, 3.73's, Base/Brembo Package
3" H Pipe/Stock cats, Res!/3" pipes, Magnaflow 14419's AB, UPR Catch Can
HPTuners Pro v2.25 | Street Tuned
2010 Silverado 1500 LT Crew 5.3L
Magnaflow 14619, K&N Drop Filter, Airraid MIT, UPR Catch Can, American Outlaw Deputy 17x9, BFG 285/70/17 TKO, Bilstein 5100's
Hptuners 2.24 Pro / Street Tuned