Per SLP's warranty page- * Limited Lifetime Warranty for Headers, Exhaust, and Cold-Air Systems: Headers and exhaust components are warranted for life against rust, corrosion, failed welds, cracks, and similar defects under normal use. Discoloration of coatings is NOT covered. Damage caused by excessive heat (from lean combustion or use of "heat wraps"), flood, collision, modification, or road hazard IS NOT COVERED. All other aforementioned exclusions apply. Product must be returned, freight prepaid, to SLP Performance Parts in Plymouth Township, Michigan for evaluation. After evaluation SLP Performance Parts will, at its discretion, repair or replace the part. In the case of headers, only the affected part(s) will be repaired or replaced.