{"product_id":"damond-motorsports-microsquirt-pi-controller-with-pnp-harness","title":"Damond PI Aux Fuel Controller Kit | Mazdaspeed \u0026 Focus ST\/RS","description":"\u003cp\u003eIt’s finally here! The \u003cb\u003eDamond Motorsports PI Aux Fuel Controller Kit with Plug-and-Play Harness\u003c\/b\u003e—powered by the proven Microsquirt platform—is the ultimate, non-invasive way to add tunable port injection to your Mazdaspeed 3, Mazdaspeed 6, Focus ST, Focus RS, or Fiesta ST.\u003c\/p\u003e\n\u003cp\u003eSay goodbye to tedious wiring diagrams, wire strippers, and soldering irons. Our custom-designed, fully labeled PnP harness makes installation a breeze, taking only a few minutes from start to finish. Power is cleanly sourced via an included add-a-fuse, and installation requires only basic hand tools.\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eKey Features \u0026amp; Highlights\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEV6 Connectors:\u003c\/b\u003e Pre-wired with four EV6-style fuel injector connectors (the standard used by \u003ca href=\"https:\/\/damondmotorsports.com\/products\/injector-dynamics-fuel-injectors?_pos=1\u0026amp;_psq=injector+dynamics\u0026amp;_psid=0b9167923\u0026amp;_ss=e\" title=\"ID fuel injectors\"\u003eInjector Dynamics\u003c\/a\u003e and most popular aftermarket injectors).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCustom Damond Spec PnP Harness:\u003c\/b\u003e Designed from the ground up to our exact specifications—labeled, pre-wired, and built specifically for MZR DISI and Ford EcoBoost platforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePre-Flashed With Firmware Out-of-the-Box:\u003c\/b\u003e Unlike off-the-shelf Microsquirts that ship without firmware, every Damond controller comes pre-flashed with active firmware before leaving our shop, ready to put a tune on.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDirect USB Tuning Cable Included:\u003c\/b\u003e Includes our custom-built cable that bridges USB straight to the harness's 2.5mm TRS connector—no daisy-chaining multiple adapters just to talk to the ECU like off-the-shelf Microsquirts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDirect-Fit Mounting on Damond Battery Trays:\u003c\/b\u003e Bolt-on compatibility with \u003ca href=\"https:\/\/damondmotorsports.com\/search?filter.p.m.custom.dm_product_category=Battery+Tray\u0026amp;filter.p.vendor=Damond+Motorsports\u0026amp;q=battery+tray\" title=\"DM Battery Trays\"\u003eDamond Motorsports battery trays\u003c\/a\u003e for a clean, OEM-style engine bay setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBase Setup Maps Included:\u003c\/b\u003e Baseline configuration files are available to give your tuner a quick, hassle-free starting point.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003eSimple, 4-Point Signal \u0026amp; Power Hookup\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eNo tapping into dozens of obscure wires. Beyond plugging in your injectors, the harness only requires four basic connections to get up and running:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e12V Power:\u003c\/b\u003e Cleanly tapped via the included add-a-fuse.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngine Ground:\u003c\/b\u003e Critical for signal noise isolation (should be grounded directly to the engine block\/head, not the chassis).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIgnition Signal:\u003c\/b\u003e Picked up from any single cylinder ignition coil with a PnP, removable harness (cylinder choice does not matter).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLoad Signal:\u003c\/b\u003e Connects to the MAF sensor on Mazdaspeed platforms, or the MAP sensor on Ford EcoBoost platforms, both with a PnP, removable harness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003eBuilt-In Expansion Provision\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe breakout harness using a 12-pin Deutsch connector (labeled \"SPARE\") serves as a pre-wired expansion port for future growth. It houses critical dedicated channels—including sensor ground, 5V reference power, flex-fuel signal, and temperature inputs—making it painless to pin in additional sensors or features down the road without modifying the main harness.\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eFuture Development \u0026amp; Advanced Capabilities\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Microsquirt platform is packed with untapped potential. While the base kit focuses on rock-solid port injection fuel delivery out of the box, we are actively researching and developing expansions using the integrated expansion port.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e The potential capabilities below are in testing\/development. Unlocking these features in the future will require tune updates, additional sensors pinned into the expansion connector, and an experienced tuner.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eClosed-Loop Fueling:\u003c\/b\u003e Real-time wideband feedback to dynamically adjust port injector pulse widths and maintain target air-fuel ratios under load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFlex-Fuel Integration:\u003c\/b\u003e Ethanol content sensor input to automatically scale secondary fueling based on your exact E85 blend.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eElectronic Boost Control:\u003c\/b\u003e Utilizing the controller to manage boost output directly alongside secondary fuel delivery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAuxiliary Fuel Pump Actuation:\u003c\/b\u003e Triggering external inline or surge tank fuel pumps dynamically based on load, boost, or RPM thresholds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFuel Pressure Monitoring:\u003c\/b\u003e Tracking secondary rail fuel pressure in real time to fine-tune injection and protect against pressure drops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLean-Condition Failsafe Protection:\u003c\/b\u003e Leveraging closed-loop monitoring and fuel pressure tracking to cut power to the boost solenoid if a lean condition or fuel pressure drop occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eReady to unlock your platform's full fueling potential?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eStop letting the factory direct-injection system hold back your horsepower goals. Upgrade to the \u003cb\u003eDamond PI Aux Fuel Controller Kit\u003c\/b\u003e today and give your tuner the seamless, reliable port-injection management your build deserves.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent vehicle fitment:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cstrong\u003eMazda: \u003c\/strong\u003e\u003cbr\u003eMazdaspeed3 (all years)\u003cbr\u003eMazdaspeed6\u003cbr\u003eCX-7\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFord (awaiting tester feedback):\u003c\/strong\u003e\u003cbr\u003eFocus ST\u003cbr\u003eFocus RS\u003cbr\u003eFiesta ST\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFree US shipping! Current into pricing for a limited time! \u003c\/p\u003e","brand":"Damond Motorsports","offers":[{"title":"MAZDA","offer_id":52726800417055,"sku":"DMMSAUXKITMAZ","price":575.0,"currency_code":"USD","in_stock":true},{"title":"FORD","offer_id":52726800449823,"sku":"DMMSAUXKITFOR","price":575.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0420\/1017\/files\/DSC08286.jpg?v=1785516241","url":"https:\/\/damondmotorsports.com\/products\/damond-motorsports-microsquirt-pi-controller-with-pnp-harness","provider":"Damond Motorsports","version":"1.0","type":"link"}