{"product_id":"exhaust-header-30","title":"Upright Headers Fits Small Block Chevy 1-3\/4 Inch Primary Tubes 409 Stainless Steel Upright Headers Natural Finish FlowTech","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 11546FLT\u003c\/p\u003e\u003cp\u003eFlowtech Headers are the perfect combination of quality and value. These Small Block Chevy Upright headers available in 1-5\/8 inch and 1-3\/4 inch tube diameters are ideal for even big cubic inch Small Block Chevy engines.They feature a merged collector coupled with a collector spear that is welded inside the collector. These components help to improve the flow and performance of the header.Features and Benefits:CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing Heavy duty 16-gauge 409SS tubing for increased strength and durability 1-5\/8 inch and 1-3\/4 inch tubing diameters available for increased exhaust flow increasing performance and improved throttle response 3 inch collector for maximum strength and exhaust flow Extra thick header flange for a leak-free seal and maximum strength Welded-in collector merge spears to control exhaust gas re-entry into primary tubesAssociated Notes: Gaskets and hardware sold separately.Details:Air Injection Tubes: NoApplication: Small Block ChevyBolt size: 3\/8-16 x 3\/4Bolts Included: NoCARB (California) Compliant: NoCatalytic Converter Quantity: 0Collector Attachment: Weld-OnCollector Diameter: 3.00 InchCollector Length: 12.00 InchCollector Port Diameter: 3.00 InchCollector Reducer Included: NoColor: SilverCylinder Head Flange Thickness: 3\/8Design: UprightDrive: 2WD, 4WDEGT (Exhaust Gas Temperature) Port: NoEGT Port: NoEmission Code: 4Engine: Chevrolet Small Block Gen IFinish: NaturalFlange Thickness: 0.375 Inch, 3\/8Gasket Or Seal Included: NoGrade Type: PerformanceHeader Finish: NaturalHeader Series: FlowtechHeader Style: UprightInstalled Height: 37.00 InchMaterial: 304 Stainless SteelMounting Hardware Included: NoOxygen Sensor Port: NoPort Shape: SquarePrimary Tubing Diameter: 1-3\/4, 1.75 InchProduct Type: HeadersQuantity: Sold as a PairSheen Level: Semi-GlossTube Material: 409 Stainless SteelTube Wall Thickness: 16 Gauge\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing\u003c\/li\u003e\n\u003cli\u003eCNC Mandrel Bent Tubes\u003c\/li\u003e\n\u003cli\u003eHeavy duty 16-gauge 409SS tubing for increased strength and durability\u003c\/li\u003e\n\u003cli\u003e409 Stainless Steel Increased Durability\u003c\/li\u003e\n\u003cli\u003e1-5\/8\" and 1-3\/4\" tubing diameters available for increased exhaust flow increasing performance and improved throttle response\u003c\/li\u003e\n\u003cli\u003eExtra Thick Flange For Leak Free Seal\u003c\/li\u003e\n\u003cli\u003e3\" collector for maximum strength and exhaust flow\u003c\/li\u003e\n\u003cli\u003eIncreased Exhaust Flow\u003c\/li\u003e\n\u003cli\u003eExtra thick header flange for a leak-free seal and maximum strength\u003c\/li\u003e\n\u003cli\u003eImproves Throttle Response\u003c\/li\u003e\n\u003cli\u003eWelded-in collector merge spears to control exhaust gas re-entry into primary tubes\u003c\/li\u003e\n\u003cli\u003eWelded-In Merge Collector\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFits Small Block Chevy, 1-3\/4\" Primary Tubes, 409 Stainless Steel Upright Headers- Natural Finish\u003c\/p\u003e\u003cp\u003eThis product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.\u003c\/p\u003e","brand":"Flowtech","offers":[{"title":"Default Title","offer_id":51827498123576,"sku":"F00M 11546FLT","price":359.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/490905006.webp?v=1778811291","url":"https:\/\/store.motormia.co\/products\/exhaust-header-30","provider":"MOTORMIA","version":"1.0","type":"link"}