Patriot Exhaust H8500 1-5/8" Tight Tuck Exhaust Header for Buick Nail Head Tight tucks fit in the tightest of engine compartments and clear most stock motor mounts Durable 16-gauge tubing Comes complete with gaskets, header bolts and collector reducers; (excluding part # H8019 & H8090) Most tight Tuck headers are available in three finishes; uncoated for individual customizing, chrome finish for that show quality shine or with Patriot's very popular metallic ceramic coating Limited one year warranty