{"product_id":"mk4-focus-st-stage-1-remap-360-370bhp-2-3-ecoboost","title":"MK4 Focus ST Stage 1+ Remap — 360–370bhp (2.3 EcoBoost)","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWP Stage 1+ — 360–370bhp \/ 370–385ft\/lb\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eStage 1+ is the maximum we can safely extract from the MK4 Focus ST while keeping the car fully road legal. By pairing our Stage 1+ calibration with an upgraded intercooler and performance intake, we deliver 360–370bhp and 370–385ft\/lb — all with the factory GPF and catalyst still in place.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe stock intercooler is the single biggest limiting factor on the MK4 ST. It heat-soaks aggressively — after just a few hard pulls the ECU starts dialling back power to protect the engine from excessive intake temps. An upgraded intercooler solves this completely, keeping temps consistent and allowing us to run a more aggressive calibration with confidence. The intake upgrade improves airflow into the turbo, letting it spool more efficiently and sustain boost through the rev range.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWhat's included:\u003c\/strong\u003e Custom dyno calibration with before \u0026amp; after printout\u003cbr\u003e\u003cstrong\u003eRequired hardware:\u003c\/strong\u003e Upgraded intercooler · Performance intake\u003cbr\u003e\u003cstrong\u003eStrongly recommended:\u003c\/strong\u003e Clutch upgrade\u003cbr\u003e\u003cstrong\u003eAdvised:\u003c\/strong\u003e 99 RON fuel — Shell V-Power or Tesco Momentum\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e📖 \u003ca href=\"https:\/\/wayside-performance.co.uk\/pages\/mk4-focus-st-tuning-guide-stage-1-stage-1-stage-2\" target=\"_blank\" rel=\"noopener\"\u003eRead our full MK4 Focus ST Tuning Guide →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWPFlasher — Remote Tuning Option\u003c\/strong\u003e\u003cbr\u003eCan't make it to the workshop? Our WPFlasher device lets you receive your custom calibration remotely. You read your stock ECU via the OBD port and send us the file, we build your custom tune and send it back, and you flash it yourself at home. If you're able to take data logs, send them over and we'll refine the calibration further. Select your preferred installation method at checkout.\u003c\/p\u003e","brand":"Wayside Performance","offers":[{"title":"Workshop install (includes dyno printout)","offer_id":51506008326450,"sku":"WPMK4ST-STG2","price":499.0,"currency_code":"GBP","in_stock":true},{"title":"WPFlasher remote tuning device","offer_id":51506008359218,"sku":"WPMK4ST-STG2-","price":599.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1509\/8328\/files\/WP_Stage_1_Tuning_Box.png?v=1783679819","url":"https:\/\/wayside-performance.co.uk\/products\/mk4-focus-st-stage-1-remap-360-370bhp-2-3-ecoboost","provider":"Wayside Performance ","version":"1.0","type":"link"}