{"product_id":"21-23-ford-f-150-3-5l-powerboost-alpha-catted-downpipes","title":"21-23 Ford F-150 3.5L PowerBoost SPD Performance 35FPB21 Alpha Catted Downpipes","description":"\u003ch2\u003e\u003cstrong\u003e21‑23 Ford F‑150 3.5L PowerBoost Alpha Catted Downpipes (Part # 35FPB21)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThe 2021‑2023 Ford F‑150 3.5L PowerBoost delivers serious hybrid performance, but factory downpipes bottle up power by shrinking the primary catalytic diameter—from 5.5″ down to 5″—which raises back pressure and exhaust gas temperatures. SPD Performance’s Alpha Catted Downpipes replace that bottleneck with a full 3″ mandrel‑bent stainless system featuring industry‑first 500‑cell (or higher) Rhodium‑loaded catalytic converters. This upgrade unlocks improved throttle response, reduced turbo lag and EGTs, better mileage, and horsepower gains without causing a check-engine light—all while still maintaining green emissions standards. Built in the USA with CNC laser‑cut 304 stainless flanges and TIG\/MIG welds, the system is race-capable yet suitable for direct factory-style replacement—with no custom tuning required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eUltra-high‑flow SPD Alpha catalytic converters (500‑cell, rhodium‑enhanced) for emissions compliance and maximum exhaust flow\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eFull 3″ mandrel‑bent 304 stainless steel tubing for strength and durable performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCNC laser‑cut ½″ 304 stainless turbo flanges plus TIG \u0026amp; MIG welding for leak‑free, long‑lasting seal\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eIntegrated 4″ flex‑pipe to absorb engine movement and chassis flex\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDirect bolt‑on to factory downpipe location—no tuning required, no check engine lights (NO CEL)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eProudly manufactured in the USA for race-ready quality\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eEnhanced engine performance with sharper throttle response and quicker turbo spool\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eLower exhaust gas temperatures and minimized turbo lag\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eImproved fuel efficiency and smoother acceleration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eNo check engine light triggers even under spirited or tuned use\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Specs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eSize: Built for 2021‑23 Ford F‑150 3.5L PowerBoost turbo hybrid engines\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eMaterial: 304 stainless steel tubing and flanges\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eColor\/Finish: Natural stainless, brushed\/satin metallic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCatalytic Core: SPD Alpha ultra‑high flow, 500‑cell (or greater), rhodium‑loaded\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eFlex Section: 4″ stainless flex pipe incorporated\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eFlanges: ½″ thick CNC laser‑cut V‑band flanges (304ss)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eWelding: TIG and MIG welded for strength and durability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eOrigin: Made in the USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstall Difficulty Level\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eInstallation takes approximately \u003cstrong\u003e1 hour\u003c\/strong\u003e and is rated as \u003cstrong\u003elight to moderate mechanical skill\u003c\/strong\u003e. The downpipes feature direct-fit factory alignment and bolt-on design—no cutting, welding, or tuning required—making it an easy upgrade even for DIY enthusiasts\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCompatible with the following vehicles: 2021, 2022, 2023 Ford F‑150 equipped with the 3.5L PowerBoost hybrid V6 engine (PowerBoost\/EcoBoost 3.5L). Does \u003cstrong\u003enot\u003c\/strong\u003e fit Raptor models or V8 engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCARB Status\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis part does not carry a CARB (California Air Resources Board) Executive Order (EO) number. As such, it is not legal for sale or use in the state of California or any other state adopting California emission standards. Please ensure compliance with local regulations before purchasing.\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor any questions about fitment, emissions compliance, or to report product description inaccuracies, contact MPT Performance experts at (407) 636‑7077 or by email.\u003c\/p\u003e","brand":"SPD Performance","offers":[{"title":"Default Title","offer_id":45697325957298,"sku":"FDP35FPB21","price":2395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0607\/4341\/8034\/files\/Powerboost2-800x800.png?v=1753955903","url":"https:\/\/morepowertuning.com\/products\/21-23-ford-f-150-3-5l-powerboost-alpha-catted-downpipes","provider":"More Power Tuning","version":"1.0","type":"link"}