Try putting the stock MAF back in to try and isolate the problem. I've had the 73mm C&L on for years with no probs whatsover.
Black 98.5 SVT w/ KKM intake, 73mm MAF, ASP pulley, Optimized stock Y-Pipe, 24mm hollow rear sway bar, Magnaflow resonator, Magnaflow mufflers, Roush springs, KYB struts
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