{"product_id":"afe-twisted-steel-shorty-header-11-17-ford-mustang-v6-3-7l","title":"aFe Twisted Steel Shorty Header 11-17 Ford Mustang V6-3.7L","description":"This system produced gains of up to +14 HP and +15 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5\/8 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Factory style laser cut machined mild steel flanges are used used for a secure leak-free seal. 3-to-1 Mitered Merge collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response. Includes gaskets and lower outlet hardware for a direct bolt-on system. No cutting or modifications required for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, these headers are designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.\u003cbr\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/b8fc3ba8ce27aa5904d0b88df0f00d4d.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e","brand":"aFe","offers":[{"title":"Default Title","offer_id":50610311430308,"sku":"AFE48-43031","price":511.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/1859\/3188\/files\/ab6451d76981555b52f0f26788fa2fd6.jpg?v=1734472116","url":"https:\/\/www.4x4outfitter.com\/products\/afe-twisted-steel-shorty-header-11-17-ford-mustang-v6-3-7l","provider":"4x4Outfitter","version":"1.0","type":"link"}