Flowtech Mild Steel Exhaust Headers - 91730FLT Part #: 91730FLT Line: FLT Flowtech Mild Steel Exhaust Headers 90 Day Limited Warranty Color: Black Finish: Painted Flange Thickness (in): 3/8 Inch Material: Mild Steel Port Shape: Round Style: Short Tube Tube Size (in): 1-1/2 Inch Collector Size (in): 2-1/2 Inch Primary Tube Diameter (in): 1-1/2 Inch Tube Direction: Down-Swept Engine Make/Size: Toyota 4.7L Show More Show Less