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The Clean Air Flow (CAF) is warranted 100% for material and workmanship for two years or 6,000 operating hours. Extended warranties are available to cover the CAF five years or 12,000 operating hours. The warranty is non-prorated provided installation instructions are followed. No maintenance is required on the catalyst for the life of the warranty. For vehicles and trucks the warranty is 350,000 miles or 4 years whichever comes first.
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