{"product_id":"flowtech-flowtech-upright-headers","title":"FlowTech Flowtech Upright Headers","description":"These Flowtech upright derby style headers fit the 2.8L, 3.1L and 3.4L GM V6 engines with both round port or D-port style exhaust ports. 1-1\/2 in. and 1-5\/8 in. mandrel bent primary tubes provide consistent tubing diameters for smooth flow of the exhaust pulses and increase the cylinder scavenging of the exhaust to improve engine breathing.  The headers are constructed from heavy duty 16-gauge 409 stainless steel tubing for increased strength and durability.  These headers use a 10 in. long, 2.5 in. collector with 20 in. long primary tubes.  The 3\/8 in. thick header flange provides a leak-free seal and maximizes strength.\u003cp\u003e\u003cbr\u003eShop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a precise fit. Each component we carry is carefully vetted for durability, safety, and real-world performance—meeting or exceeding OEM standards. Whether you’re replacing worn parts, upgrading suspension systems, or adding off-road equipment, Truck \u0026amp; Auto Parts Store provides trusted OEM and aftermarket brands designed to handle the demands of trucks, SUVs, and 4x4s. With expert support, fast U.S. shipping, and a commitment to customer satisfaction, you can order with confidence knowing every product delivers dependable performance on the road and off.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"FlowTech","offers":[{"title":"Default Title","offer_id":52403392217304,"sku":"CJWH_11585FLT","price":249.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.truckandautopartsstore.com\/products\/flowtech-flowtech-upright-headers","provider":"Truck \u0026 Auto Parts Store","version":"1.0","type":"link"}