DDP's Stainless Steel Headers Manifolds For Ford Powerstroke F250 F350 F450 7.3L 99-03. Stainless steel construction protects against warping or cracking. A rigorous quality inspection has been undertaken to ensure product standards. Replaces original manifolds that are cracked from thermal expansion and contraction. Strengthened and redesigned in the vulnerable areas of failure.
DOES NOT COME EQUIPPED WITH EXHAUST BACK PRESSURE BUNG, MAY REQUIRE TUNING OR MODIFICATION DEPENDING ON TURBO SET UP. (2) Stainless steel exhaust manifolds. (2) Gaskets (manifold to cylinder head). (4) Studs (manifold to exhaust pipe flange).
(4) Nuts (manifold to exhaust pipe flange). INCLUDES (16) ARP STYLE 12PT EXHAUST MANIFOLD BOLTS. Interchange P/N: F81Z9431AA, F81Z 9431 AA, F81Z9430AA, F81Z 9430 AA.