A: There is a 1-year manufacturer warranty applicable from the date of purchase. In the event of defects in manufacturing or design, the manufacturer will repair the product free-of-charge. Based on the characteristics of the tuning kit, it would be difficult to determine whether damage is caused by work performed by the customer, so after checking the product, we will inform you of the results. Please contact the store you purchased the product.
Additionally, even after the warranty expires, the manufacturer offers after service in the form of repair and replacement of parts, etc. at the user's expense.
* If inspection reveals that repair is deemed to be difficult, the manufacturer may choose to provide a new unit as a free replacement.
* Damage resulting from natural disasters or carelessness or negligence on the part of the user, such as breakage from falls or pulling on the cable with excessive force, are excluded from warranty coverage.

A: Please contact the store you purchased the product.

A: Repair is required, so please contact the store you purchased the product.

A: Please use a dedicated bolt. Please contact the store you purchased the product.

A: For example, to repair a broken wire would cost about 20-30% of the suggested retail price. In the event that repair is deemed difficult and the manufacturer opts to provide a replacement, the cost can be estimated to total 30-50% of the suggested retail price.
Cost varies depending on the nature of the repair.

A: Yes, please contact the store you purchased the product.

A: Please contact the store you purchased the product.

A: Yes, please contact the store you purchased the product.