2004-08 F150 5.4L 2WD/ 4WD Triton headers made with 304 stainless steel featuring 1-3/4" diameter primaries with high-flow catalytic converters, 2-1/2" diameter lead pipes and clamps. Connects to Stainless Works true-dual exhaust systems (08F150TDRT or 08F150TDUB). Fits Supercrew 5.5' or 6.5' bed or Supercab 6.5' bed.. 2004-08 F150 Triton 5.4L, Headers with 1-3/4" Primaries, with 2-1/2" Catted leads and clamps. Designed for SW true-dual exhausts. Fits Supercrew 5.5' or 6.5' bed or Supercab 6.5' bed.. Stainless Works 2004-08 F150 5.4L Headers 1-3/4in Primaries 2-1/2in High-Flow Cats. Stainless Works Headers 1-3/4" With Catted Leads Performance Connect. Stainless Works, Ford F150 Headers, F150 headers, F150 5.4L headers. Stainless Works Ford F150 Truck Catted Headers.. Stainless Works 2004-08 F150 Catted Hdr.. 2004 thru 2008 Ford F150 1/2 Ton 5.4L. Exhaust Header Pipe Kit. Exhaust System. Header Kit

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