Stainless Works 2020 GT500 Headers 1-7/8in Primaries 3in High-Flow Cats Stainless Works Sale! from 265525 226200 /per Qty. Sold Out This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. Stainless Works 2020 GT500 Headers 1-7/8in Primaries 3in High-Flow Cats