Compare Representative Image Doug's Steel Header - D521 Part #: D521 Line: DGS Doug's Steel Header 30 Month Limited Warranty Color: Silver Finish: Ceramic Coated, Semi-Gloss Material: Steel Port Shape: D-Shape Style: Full-Length Hardware Included: Yes Attachment Method: Bolt-On, Flange Tube Size (in): 1-3/4 Inch Collector Size (in): 3 Inch Gasket Or Seal Included: Yes Head Flange Thickness (in): 3/8 Inch Oxygen Sensor Port Included: No Show More Show Less
Compare Representative Image Doug's Steel Header - D521B Part #: D521B Line: DGS Doug's Steel Header 30 Month Limited Warranty Color: Black Finish: Matte Material: Steel Port Shape: D-Shape Style: Full-Length Hardware Included: Yes Attachment Method: Bolt-On, Flange Tube Size (in): 1-3/4 Inch Collector Size (in): 3 Inch Gasket Or Seal Included: Yes Head Flange Thickness (in): 3/8 Inch Oxygen Sensor Port Included: No Show More Show Less
Compare Doug's 304 Stainless Steel Exhaust Header - D521SS Part #: D521SS Line: DGS Doug's 304 Stainless Steel Exhaust Header 1 Year Limited Warranty Color: Silver Finish: Satin Material: 304 Stainless Steel Port Shape: D-Shape Style: Full-Length Hardware Included: Yes Attachment Method: Bolt-On, Flange Tube Size (in): 1-3/4 Inch Collector Size (in): 3 Inch Gasket Or Seal Included: Yes Head Flange Thickness (in): 3/8 Inch Oxygen Sensor Port Included: No Show More Show Less