Spec-D Tuning FLD-002 2.5" Aluminum Exhaust Header Down Pipe Manifold Collector Flange Gasket 3 Bolt 1 Exhaust Gasket Hi-performance C.N.C. machined aluminum with graphite coated finish 30 Day Money Back Guarantee & 90 Days Limited Warranty Made by OEM approved & ISO certified manufacturers in materials that meet or exceed strict OEM requirements