Kinetix Racing products are covered by a lifetime manufacturer warranty, except for parts subject to natural wear and tear like bushings and ball joints. The warranty is non-transferable and valid only for the original purchaser with a valid proof of purchase. It does not cover abuse, physical damage, incorrect installation, or misuse of the product. Plenum manifolds warranty is limited to specific boost pressure levels, such as up to 10 psi for the V-Plenum or up to 30 psi for the Velocity manifold.The warranty exclusively covers the repair or replacement of failed parts at the manufacturer's discretion, and return shipping charges to Kinetix Racing are the customer's responsibility.