All BTE race products are warranted unconditionally for thirty (30) days against defective workmanship, and street products are warranted unconditionally for ninety (90) days against defective workmanship. BTE’s warranty does not cover any installation charges, freight and handling charges, misuse, or improper installation. Any product suspect of being defect must be returned for immediate inspection after authorization is given by BTE. After inspection, BTE will advise allowances. Any product suspected of being defective must be returned in original state. Absolutely no disassembly of product is allowed. Some BTE products feature warranties longer that the above. See these specific products for more details.