{"product_id":"afe-power-twisted-steel-304-stainless-steel-street-series-performance-package","title":"aFe Power Twisted Steel 304 Stainless Steel Street Series Performance Package","description":"aFe POWER's Twisted Steel long tube header and connection pipe deliver +24 HP and +27 lbs. x ft. torque over the factory. This system is constructed with 1-3\/4\" primary to 2-1\/8\" secondary, and 2-1\/2\" mandrel bent, 304 stainless steel, brush finished tubing for greater exhaust flow and longevity. 100% hand TIG-welded by certified craftsmen for proven durability. The long tube header incorporates a 6-2-1 Tri-Y designed. These features create a smooth transition to eliminate dead zones and improve flow. High quality band clamps and hardware to provide a quick, hassle-free installation.  Performance Gains: +24 HP \/ +27 lbs. x ft. Torque max gains (Tested on a 2005 Nissan Patrol (Y61) I6-4.8L 4-Door Automatic).  Tri-Y Design: Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the power band.  Stainless Steel Tubing \u0026amp; Laser Cut Header Flanges: High grade 304 stainless tubing with a uniform brushed finish provides a beautiful look and high resistance to corrosion. Laser cut 304 stainless steel header flanges provides superior sealing at the head surface.  High-Flow Catalytic Converter: This system utilizes a high flow, 400 cell catalytic converter for maximum flow.  TIG-Welded: 100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.  Factory Mounting Locations: 2-1\/2\" flanged connection pipe mounts directly to OE mounting location.  Leak-Free Seal: High quality band clamps are used for a complete 360-degree sealing surface.  Emissions Disclaimer: This product does not require a CARB EO# (Vehicle does not exist in U.S.).  aFe Twisted Steel Headers are engineered and manufactured in our Corona, California manufacturing facility.\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":"aFe Power","offers":[{"title":"Default Title","offer_id":51922700468440,"sku":"BKJC_48-36109-YC","price":2689.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/www.truckandautopartsstore.com\/products\/afe-power-twisted-steel-304-stainless-steel-street-series-performance-package","provider":"Truck \u0026 Auto Parts Store","version":"1.0","type":"link"}