FLOWTECH Block Hugger headers are ideal for street rods where fit and finish is really important. Black Huggers make performance and style easy for engine swaps, and with our new Hugger Toobs you can hook up to an existing exhaust system with ease. Mandrel Bent Tubes Provide Smooth Flow 16 Gauge Tubing Increases Strength Tip Tuck Design For Narrow Frame Rails Easy Installation Precision Die Cut Exhaust Port Flanges Leek Free Seal All Hardware Included Attributes: GTIN: 00787480110305 Brand Name: FlowTech Application: Automotive Coated Finish: Black Collector Diameter: 2.500 in. Collector Tube Size: 2.500 in. Engine Make/Size: Chevy Big Block (396-454) Finish: Black Paint Head Style: Block Hugger Material: Stainless Steel Port Shape: Round Primary Tube Diameter: 1.750 in. Tube Diameter: 1.750 in. Tube Direction: Down Swept WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Extended Information: Country of Origin: China Emissions : Electronically Announced Life Cycle Status: Available To Order Packing Information: Quantity of Each: Package UOM: Dimension: 24.5000 x 15.4000 x 12.2000 inches Weight: 16.6500 lb PDF: PDF: 11030