I don't think it would be the cat... The headers came with two brand new cats. This code came on like 2 or 3 days after the header install. Could they have sent me a bad cat??
03 Arrival Blue Avalanche
5.3 w/ Volant Cold air, K&N Intake Tube, Dynatech Long Tubes, High Flow Cats, 3" Exaust, Flowmaster 40, Belltech 2/3" Drop, Hotchkis Front and Rear Bars, SP Performance Dimmond Drilled & Slotted Rotors, Hawk HPS Pads, American Racing Terons wrapped in Nitto NT-404 295/50/20's, Pioneer AVIC-N1, Alpine MDF-500s, 4 JL 10W6v2's
Alot More To Come....
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