Review on FRAM Extra Guard Air Filter, CA3914 for Chevrolet, GMC, Pontiac, and Winnebago Vehicles by Sammie Rodriguez

You may think I'm crazy, but. After every full throttle in my '03 Corvette I got a CEL. Codes indicate O2 sensor and too rich. I remember not having the code until I changed the air filter. The first was WIX and I got CEL with every WOT. I tried a NAPA gold air filter. The results are the same. I installed this fram and did 10 WOT passes. without codes. I suspect the other filters were more restrictive and not allowing enough airflow into the WOT. It seems unlikely, but these are the facts!