Stainless Steel Shorty Headers For Ford F150 F250 (1997-2003) with 5.4L V8 EngineStop fighting the dreaded "exhaust manifold tick" and give your Triton the breathing room it needs to tow without the struggle. Stainless Steel Performance Shorty Headers for 1997 2003 Ford F 150 F 250 Expedition (5. 4L V8) If you own a first gen Expedition or a late 90s F Series, you know the factory cast iron manifolds are a ticking time bomb for warped flanges and snapped studs. This kit replaces those restrictive, heavy logs with high flow T 304