Tein Flex Z Coilover Suspension Kit - Impreza GDA(C-) Bonnets & Boots this HKS downpipe helps to

this HKS downpipe helps to increase the flow of exhaust gasses

Because we have experienced sealing issues and material failures with other aftermarket valve cover hardware kits

Coated in a black geomet finish to keep the disc hub's looking new and avoid corrosion

that will be suitable for both streets and winding roads

Separate ride height adjustment

Tein Flex Z Coilover Suspension Kit - Impreza GDA(C-) Bonnets & Boots this HKS downpipe helps toTein's flagship coilover, the Flex Z includes all the features you'd want on a suspension kit. 16 level damping adjustment, full ride height control and replacement top mounts make Flex Z the complete package. Highly durable, each Flex Z kit features thorough rust proofing and is made of high strength, highly durable steel for added peace of mind.