{"product_id":"2015-2019-6-7l-ford-powerstroke-4-downpipe-exhaust","title":"2015-2019 6.7L Ford powerstroke 4\" downpipe Exhaust","description":"\u003c!-- more --\u003e\n\u003ch4\u003eFITMENT\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2015-2019 Ford F-250 \/ F-350 \/ F-450 Super Duty Super Duty Diesel Pickup Truck\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDESCRIPTION\u003c\/h4\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eMany truck owners install a cold air intake, flash a tune, and swap the DPF delete pipe, yet wonder why the turbo still feels choked.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe factory 15-19 downpipe features a brutal, flattened section to clear the bellhousing that pinches your exhaust flow down to a pathetic 2.5 inches.\u003c\/li\u003e\n\u003cli\u003eIt permanently cures the notorious factory heat shield rattle, prevents flex pipe cracks under high boost, and serves as the absolute foundation for any high-performance 6.7L build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003e\u003cspan data-type=\"leaf\"\u003eKey Features\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-Duty T409 SS Shell: Built from heavy-gauge T409 stainless steel to defend against severe thermal shock, high-EGT stress, and corrosive winter road salt.\u003c\/li\u003e\n\u003cli\u003eSmash the 2.5\" Bottleneck: Replace the heavily pinched factory pipe. The uniform 4\" diameter provides unhindered exhaust velocity directly from the turbine wheel outlet.\u003c\/li\u003e\n\u003cli\u003eReinforced Flex Protection: Upgrade the weakest link. The high-performance flex section withstands the intense exhaust temperatures and increased vibrations of tuned trucks without split or leak risks.\u003c\/li\u003e\n\u003cli\u003eInstant VGT Turbo Spool: Erase low-end turbo lag completely. Near-zero turbo backpressure allows the compressor to spool up faster, which delivers a sharp, immediate throttle response.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ: I already have a 4\" DPF delete pipe installed. Do I really need to replace my stock downpipe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, if you want full performance. factory 15-19 downpipe is pinched down to 2.5 inches to clear the transmission. This means exhaust still chokes right at the turbo exit. Upgrade this 4\" Downpipe removes this ultimate restriction and allows engine to breathe in a uniform 4\" path from start to finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which mid-pipe or full exhaust setup should I buy to pair with this 2015-2019 Downpipe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: To maximize your airflow and build a complete high-flow system, we highly recommend you pair this downpipe with \u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: rgb(43, 0, 255); text-decoration: underline;\"\u003e\u003ca style=\"color: rgb(43, 0, 255); text-decoration: underline;\" title='4\" Cat \u0026amp; DPF Delete' href=\"https:\/\/www..com\/products\/-2011-2023-6-7l-ford-f-250-f-350-f-450-4-0-super-duty-diesel-4-muffler-exhaust-delete-pipe-kits-generic\" target=\"_blank\"\u003e4\" DPF Delete pipe\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e or \u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: rgb(43, 0, 255); text-decoration: underline;\"\u003e\u003ca style=\"color: rgb(43, 0, 255); text-decoration: underline;\" title='4\"\/5\" Dp-Back' href=\"https:\/\/www..com\/products\/2011-2022-6-7l-ford-powerstroke-4-5-down-pipe-back-dpf-delete-pipe-egr-delete\" target=\"_blank\"\u003e4\"\/5\" Full Exhaust\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this 4\" downpipe fit a 11-14 or a 20+ Ford 6.7L Powerstroke?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, it will not. The 11-14 trucks utilize a different factory turbocharger setup and the 20+ trucks have entirely different engine bay clearances. If you drive a 20-24 model, please purchase \u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: rgb(43, 0, 255); text-decoration: underline;\"\u003e\u003ca style=\"color: rgb(43, 0, 255); text-decoration: underline;\" title='4\" downpipe' href=\"https:\/\/www..com\/products\/-2020-2024-6-7l-ford-powerstroke-4-downpipe-exhaust\" target=\"_blank\"\u003e4\" Downpipe\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should this downpipe be the first thing I upgrade on my 15-19 truck?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Beyond the 2.5\" airflow restriction, the stock downpipe welded heat shields crack and rattle at idle, and the factory flex pipe splits open under high-boost tunes. This 4\" upgrade fixes all three issues at once.\u003c\/p\u003e","brand":"True American Diesel","offers":[{"title":"Default Title","offer_id":47261112205500,"sku":"DP-0315","price":519.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/4101\/8044\/files\/579A8415_48ee195b-ed4d-497f-9a99-85863c0e0901.jpg?v=1786464527","url":"https:\/\/trueamericandiesel.com\/products\/2015-2019-6-7l-ford-powerstroke-4-downpipe-exhaust","provider":"TrueAmericanDiesel","version":"1.0","type":"link"}