Application:

compatible with
2004 Ford F-150 Heritage with 5.4L 330Cu. In. V8 Naturally Aspirated 
2004-2010 Ford  F-150 with 5.4L 330Cu. In. V8 Naturally Aspirated  

Features:

-Excellent quality and durability to improve vehicle performance

-Shorty design for power gain from idle to mid-range RPM

-Fully mandrel bent tubes made of high quality 16-gauge 304 stainless steel

-Head flanges laser-cut from high quality 3/8-inch thick steel plates

-The flange is flattened by a hydraulic press for precise and leak free sealing

-All joints are golden color TIG brass style welded to prevent cracking and wear

-Flanges chrome plated for corrosion resistance

-Polished surface for extra protection against rusting

-The accessories in the photos are included

-1 year warranty for any manufacturing defect

Technical Specifications:

Header Type: Shorty / Short Tube
Primary Diameter: 1-5/8 in. (42mm)
Collector Diameter: 2-1/2 in. (64mm)
Head Flange Thickness：3/8 in. (9.5mm)
Pipe Thickness: 16 gauge (1.5mm)
Material: 304 Stainless Steel
Finish: Polished