Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a "stock" or "mildly-modified" engine, Hooker Competition headers offer premium features at a very competitive price. Camaro/Firebird 82-92 Hooker Competition Headers, non coated, pair, These will not work with the stock Y-Pipe, you will have to upgrade your Y-Pipe. 1-5/8" Tube size, 3" collector, Will fit with angle plug heads. This header is equipped with a fitting to accept the stock oxygen sensor. Shipping is not included, picture may not represent actual product(s).