{"product_id":"afe-power-twisted-steel-304ss-shorty-header-09-18-dodge-challenger-charger-v8-5-7l","title":"aFe Power Twisted Steel 304SS Shorty Header 09-18 Dodge Challenger \/ Charger V8-5.7L","description":"\u003cp\u003eUnleash more torque and horsepower from your Dodge or Chrysler 5.7L with this Twisted Steel series header. Made with 16-gauge 1-3\/4\" mandrel bent 304 stainless steel tubing and use 4 to 1 mitered merge collectors to eliminate flow-block turbulence. The result is unrestricted exhaust flow for overall performance gains of up to +9 HP and +10 lbs. x ft. torque on our in-house dyno. 100% hand MIG welded for quality, strength and durability, this system also features ball flange connection, retains factory 02 sensor locations and includes metal gaskets and hardware for hassle-free install. Performance Gains: In house dyno testing produced gains of up to +9 horsepower and +10 lbs. x ft. torque. Optimized Tube Lengths: Head tube lengths are optimized for true pulse control technology which improves flow and performance. Mitered Collectors: 4-to-1 mitered merge collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response. Stainless Steel Construction: Mandrel bent 1-3\/4\" 16-gauge 304 stainless steel tubing increase exhaust velocity for noticeable torque and horsepower gains. Heavy Duty Flanges: 3\/8\" Thick, 1-piece flanges prevent warpage to ensure a leak-free seal over the life of the vehicle. MIG-Welded: 100% MIG-Welded by certified craftsmen provides the strongest welds reducing stress cracks for race proven strength and durability. Factory Mounting Locations: These headers retain your stock catalytic converters and factory 02 sensor locations for a direct bolt-on installation which requires no cutting or modifying. Hassle-Free Installation: Factory style metal header gaskets and all necessary hardware are included for a hassle-free installation.\u003c\/p\u003e\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e100 Percent Hand MIG-Welded For Strength and Durability\u003c\/li\u003e\n\u003cli\u003e4 to 1 Mitered Merge Collectors Decrease Turbulence\u003c\/li\u003e\n\u003cli\u003eOptimized Tube Lengths For True Pulse Control\u003c\/li\u003e\n\u003cli\u003eCNC Machined 3\/8 in. Thick Laser Cut Flanges\u003c\/li\u003e\n\u003cli\u003eNecessary Hardware Included\u003c\/li\u003e\n\u003cli\u003eHassle Free Installation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"aFe","offers":[{"title":"Default Title","offer_id":45928620687496,"sku":"afe48-32021","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/2491\/6104\/files\/7956e8435ea1bab81e46aba765b50eb6.jpg?v=1780436259","url":"https:\/\/www.allianceracing.com\/products\/afe-power-twisted-steel-304ss-shorty-header-09-18-dodge-challenger-charger-v8-5-7l","provider":"Alliance Racing","version":"1.0","type":"link"}