{"title":"Motorcycle Power \u0026 Performance Parts","description":"\u003cp data-start=\"1535\" data-end=\"1612\"\u003eLooking to unlock more power from your motorcycle? You’re in the right place.\u003c\/p\u003e\n\u003cp data-start=\"1614\" data-end=\"1941\"\u003eOur \u003cstrong data-start=\"1618\" data-end=\"1663\"\u003eMotorcycle Power \u0026amp; Performance collection\u003c\/strong\u003e is built for riders who want faster throttle response, increased horsepower, and a smoother, more responsive ride. From advanced ECU tuning systems to ignition upgrades, sensors, and performance electronics — every part here is designed to push your bike beyond factory limits.\u003c\/p\u003e\n\u003cp data-start=\"1943\" data-end=\"2079\"\u003eWhether you're dialing in a daily rider or building a full-performance machine, these upgrades help you get the most out of your engine.\u003c\/p\u003e\n\u003cp data-start=\"2081\" data-end=\"2279\"\u003e✔ Engine management \u0026amp; ECU tuners\u003cbr data-start=\"2113\" data-end=\"2116\"\u003e✔ Ignition systems \u0026amp; sensors\u003cbr data-start=\"2144\" data-end=\"2147\"\u003e✔ Performance electronics \u0026amp; wiring\u003cbr data-start=\"2181\" data-end=\"2184\"\u003e✔ Cooling upgrades for sustained power\u003cbr data-start=\"2222\" data-end=\"2225\"\u003e✔ Compatible with custom and high-performance builds\u003c\/p\u003e\n\u003cp data-start=\"2281\" data-end=\"2351\"\u003eMore control. More efficiency. More power — exactly where you want it.\u003c\/p\u003e","products":[{"product_id":"thundermax-engine-control-module-kit-with-integral-auto-tune-01-10-softail-sportster-touring-10201851","title":"ThunderMax Engine Control Module Kit with Integral Auto Tune - '01-'10 Softail\/Sportster\/Touring","description":"\u003ch3\u003eThunderMax Engine Control Module Kit with Integral Auto Tune - '01-'10 Softail\/Sportster\/Touring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and free software and updates\u003c\/li\u003e\n\u003cli\u003eHundreds of maps available to download for your bike (based on model, engine size, exhaust system air cleaner, pistons, cams, etc.) - load the map of your choice and the integral auto-tune will do the rest\u003c\/li\u003e\n\u003cli\u003eSoftware program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation\u003c\/li\u003e\n\u003cli\u003eUtilizes wide-band oxygen sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycle's air\/fuel ratio for all riding conditions\u003c\/li\u003e\n\u003cli\u003eThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness\u003c\/li\u003e\n\u003cli\u003eEasy installation: replace the factory ECM, install new oxygen sensors and harness, load the correct map for your bike, and ride\u003c\/li\u003e\n\u003cli\u003eNew maps, software, firmware updates, map analysis and tech support available online at no charge\u003c\/li\u003e\n\u003cli\u003eAdjustable front and rear cylinder AFR maps, ignition timing (spark) maps, and startup maps\u003c\/li\u003e\n\u003cli\u003eWorks with all popular exhaust systems and is compatible with high-performance camshafts\u003c\/li\u003e\n\u003cli\u003eRider can adjust idle speed, rev limit and speedometer calibration\u003c\/li\u003e\n\u003cli\u003eImproves throttle response, exhaust sound and driveability\u003c\/li\u003e\n\u003cli\u003eSupports turbo, nitrous and supercharger applications\u003c\/li\u003e\n\u003cli\u003eDoes not require dyno tuning\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THUNDERMAX","offers":[{"title":"Default Title","offer_id":47620813324451,"sku":"10201851","price":1098.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/5BBF6215-BC73-46DF-9E2D-026D0F9A818A_83c9f7b0-ce30-48c7-af41-751b9b1f450f.png?v=1777745197"},{"product_id":"micro-harness-controller-21200086","title":"Micro Harness Controller","description":"\u003ch3\u003eMicro Harness Controller\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePerforms all fuse, relay (includes starter relay) and signal-canceling functions in one simple package\u003c\/li\u003e\n\u003cli\u003eProvides multiple flasher combinations (signal canceling, hazard lights, running lights and turn signal) from one dual-filament bulb\u003c\/li\u003e\n\u003cli\u003eBillet 6061 T-6 aluminum housing and 7' trim-to-fit wiring design is compact and easily hidden on custom motorcycles\u003c\/li\u003e\n\u003cli\u003eUtilizes relays to distribute all power functions, thus eliminating the need to run large wires to all the switches\u003c\/li\u003e\n\u003cli\u003eWeather-resistant connections for trouble-free use in extreme environments\u003c\/li\u003e\n\u003cli\u003eCan be used with micro switches\u003c\/li\u003e\n\u003cli\u003eFor choppers and custom bikes w\/ separate brake light (except '04-'20 Big Dogs w\/proprietary hand controls).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THUNDERMAX","offers":[{"title":"Default Title","offer_id":47620813160611,"sku":"21200086","price":416.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/25B8E986-3336-4528-83EF-C0EA09F3C582_72a4f089-3c3d-4df2-a515-67894c9967b0.png?v=1777745198"},{"product_id":"thundermax-engine-control-module-kit-with-integral-auto-tune-18-20-softail-10202795","title":"ThunderMax Engine Control Module Kit with Integral Auto Tune - 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M8 Touring","description":"\u003ch3\u003eEngine Control Module with Integral Auto Tune System - M8 Touring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness\u003c\/li\u003e\n\u003cli\u003eUtilizes wide-band oxygen sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycle’s air\/fuel ratio for all riding conditions\u003c\/li\u003e\n\u003cli\u003eEasy installation: replace the factory ECM, install new oxygen sensors and harness, load the correct map for your bike, and ride\u003c\/li\u003e\n\u003cli\u003eIncludes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User’s Manual, technical support and free software and updates\u003c\/li\u003e\n\u003cli\u003eHundreds of maps available to download for your bike (based on model, engine size, exhaust system air cleaner, pistons, cams, etc.) – load the map of your choice and the integral auto-tune will do the rest\u003c\/li\u003e\n\u003cli\u003eImproves throttle response, exhaust sound and driveability\u003c\/li\u003e\n\u003cli\u003eRider can adjust idle speed, rev limit and speedometer calibration\u003c\/li\u003e\n\u003cli\u003eAdjustable front and rear cylinder AFR maps, ignition timing (spark) maps, and startup map\u003c\/li\u003e\n\u003cli\u003eWorks with all popular exhaust systems and is compatible with high-performance camshafts\u003c\/li\u003e\n\u003cli\u003eSupports turbo, nitrous and supercharger applications\u003c\/li\u003e\n\u003cli\u003eSoftware program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation\u003c\/li\u003e\n\u003cli\u003eNew maps, software, firmware updates, map analysis and tech support available online at no charge\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eBecause of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their O2 sensor port bungs.\u003c\/li\u003e\n\u003cli\u003eDoes not require dyno tuning.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THUNDERMAX","offers":[{"title":"Default Title","offer_id":47620813586595,"sku":"10204289","price":1098.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/F267E791-9DE1-4B69-840B-C2115D9A4A89_bfa5464f-5352-439f-b120-6544ba122e95.png?v=1777745200"},{"product_id":"replacement-oxygen-sensor-10220039","title":"Replacement Oxygen Sensor","description":"\u003ch3\u003eReplacement Oxygen Sensor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEasy installation: replace the factory ECM, install new O² sensors and harness, load the correct map for your bike, and ride\u003c\/li\u003e\n\u003cli\u003eReplacement oxygen sensor for Thundermax ECM auto tune system\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eBecause of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their Oxygen sensor port bungs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THUNDERMAX","offers":[{"title":"Default Title","offer_id":47620813553827,"sku":"10220039","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/4DAF2FCA-7034-40D0-A30C-A7EA3CB1918C_785accc5-d84b-43aa-a3eb-fe248362bce7.png?v=1777745199"},{"product_id":"thundermax-engine-control-module-kit-with-integral-auto-tune-21-24-touring-10203514","title":"ThunderMax Engine Control Module Kit with Integral Auto Tune - 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M8 Touring\/Trike","description":"\u003ch3\u003eOil Cooler Fan - M8 Touring\/Trike\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUses engine temp and vehicle speed to reduce heat and keep engines running cool\u003c\/li\u003e\n\u003cli\u003eTakes only 15 minutes to install; does not require oil cooler removal\u003c\/li\u003e\n\u003cli\u003ePlug-n-play installation on M8 models equipped with ThunderMax ECM\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THUNDERMAX","offers":[{"title":"Default Title","offer_id":47620814078115,"sku":"07130243","price":272.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/8F65D14D-7C4A-488A-910E-EF5816D57DF8_eda19436-cbf7-40a9-83a5-11a7fa9d8db1.png?v=1777745207"},{"product_id":"thundermax-engine-control-module-kit-with-integral-auto-tune-11-softail-10201848","title":"ThunderMax Engine Control Module Kit with Integral Auto Tune - '11 Softail","description":"\u003ch3\u003eThunderMax Engine Control Module Kit with Integral Auto Tune - 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'14-'16 Touring\/Trike","description":"\u003ch3\u003eThunderMax Engine Control Module Kit with Integral Auto Tune - '14-'16 Touring\/Trike\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and free software and updates\u003c\/li\u003e\n\u003cli\u003eHundreds of maps available to download for your bike (based on model, engine size, exhaust system air cleaner, pistons, cams, etc.) - load the map of your choice and the integral auto-tune will do the rest\u003c\/li\u003e\n\u003cli\u003eSoftware program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation\u003c\/li\u003e\n\u003cli\u003eUtilizes wide-band oxygen sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycle's air\/fuel ratio for all riding conditions\u003c\/li\u003e\n\u003cli\u003eThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness\u003c\/li\u003e\n\u003cli\u003eEasy installation: replace the factory ECM, install new oxygen sensors and harness, load the correct map for your bike, and ride\u003c\/li\u003e\n\u003cli\u003eNew maps, software, firmware updates, map analysis and tech support available online at no charge\u003c\/li\u003e\n\u003cli\u003eAdjustable front and rear cylinder AFR maps, ignition timing (spark) maps, and startup maps\u003c\/li\u003e\n\u003cli\u003eWorks with all popular exhaust systems and is compatible with high-performance camshafts\u003c\/li\u003e\n\u003cli\u003eRider can adjust idle speed, rev limit and speedometer calibration\u003c\/li\u003e\n\u003cli\u003eImproves throttle response, exhaust sound and driveability\u003c\/li\u003e\n\u003cli\u003eSupports turbo, nitrous and supercharger applications\u003c\/li\u003e\n\u003cli\u003eDoes not require dyno tuning\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THUNDERMAX","offers":[{"title":"Default Title","offer_id":47620814405795,"sku":"10202118","price":1098.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/F7230315-7289-4790-B5FA-4B0DA805404E_c17a6a7d-5521-4f2d-914f-90478f009758.png?v=1777745209"},{"product_id":"thundermax-engine-control-module-kit-with-integral-auto-tune-12-20-dyna-softail-sportster-10202360","title":"ThunderMax Engine Control Module Kit with Integral Auto Tune - 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Touring\/Trike\/Throttle-by-Wire","description":"\u003ch3\u003eThunderMax Engine Control Module Kit with Integral Auto Tune - Touring\/Trike\/Throttle-by-Wire\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and free software and updates\u003c\/li\u003e\n\u003cli\u003eHundreds of maps available to download for your bike (based on model, engine size, exhaust system air cleaner, pistons, cams, etc.) - load the map of your choice and the integral auto-tune will do the rest\u003c\/li\u003e\n\u003cli\u003eSoftware program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation\u003c\/li\u003e\n\u003cli\u003eUtilizes wide-band oxygen sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycle's air\/fuel ratio for all riding conditions\u003c\/li\u003e\n\u003cli\u003eThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness\u003c\/li\u003e\n\u003cli\u003eEasy installation: replace the factory ECM, install new oxygen sensors and harness, load the correct map for your bike, and ride\u003c\/li\u003e\n\u003cli\u003eNew maps, software, firmware updates, map analysis and tech support available online at no charge\u003c\/li\u003e\n\u003cli\u003eAdjustable front and rear cylinder AFR maps, ignition timing (spark) maps, and startup maps\u003c\/li\u003e\n\u003cli\u003eWorks with all popular exhaust systems and is compatible with high-performance camshafts\u003c\/li\u003e\n\u003cli\u003eRider can adjust idle speed, rev limit and speedometer calibration\u003c\/li\u003e\n\u003cli\u003eImproves throttle response, exhaust sound and driveability\u003c\/li\u003e\n\u003cli\u003eSupports turbo, nitrous and supercharger applications\u003c\/li\u003e\n\u003cli\u003eDoes not require dyno tuning\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THUNDERMAX","offers":[{"title":"Default Title","offer_id":47620814504099,"sku":"10200836","price":1098.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/E16A695F-05E2-4873-A38B-06BC2004DB22_190ba532-2430-482f-933b-c0b6d54cf5bc.png?v=1777745212"},{"product_id":"thundermax-engine-control-module-kit-with-integral-auto-tune-21-24-softail-10203515","title":"ThunderMax Engine Control Module Kit with Integral Auto Tune - '21-'24 Softail","description":"\u003ch3\u003eThunderMax Engine Control Module Kit with Integral Auto Tune - '21-'24 Softail\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and free software and updates\u003c\/li\u003e\n\u003cli\u003eHundreds of maps available to download for your bike (based on model, engine size, exhaust system air cleaner, pistons, cams, etc.) - load the map of your choice and the integral auto-tune will do the rest\u003c\/li\u003e\n\u003cli\u003eSoftware program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation\u003c\/li\u003e\n\u003cli\u003eUtilizes wide-band oxygen sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycle's air\/fuel ratio for all riding conditions\u003c\/li\u003e\n\u003cli\u003eThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness\u003c\/li\u003e\n\u003cli\u003eEasy installation: replace the factory ECM, install new oxygen sensors and harness, load the correct map for your bike, and ride\u003c\/li\u003e\n\u003cli\u003eNew maps, software, firmware updates, map analysis and tech support available online at no charge\u003c\/li\u003e\n\u003cli\u003eAdjustable front and rear cylinder AFR maps, ignition timing (spark) maps, and startup maps\u003c\/li\u003e\n\u003cli\u003eWorks with all popular exhaust systems and is compatible with high-performance camshafts\u003c\/li\u003e\n\u003cli\u003eRider can adjust idle speed, rev limit and speedometer calibration\u003c\/li\u003e\n\u003cli\u003eImproves throttle response, exhaust sound and driveability\u003c\/li\u003e\n\u003cli\u003eSupports turbo, nitrous and supercharger applications\u003c\/li\u003e\n\u003cli\u003eDoes not require dyno tuning\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"THUNDERMAX","offers":[{"title":"Default Title","offer_id":47620814536867,"sku":"10203515","price":1180.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0099\/3542\/1504\/files\/14037872-1B42-4FD9-8A55-8F504500680D_b8e13db5-d646-4fe6-bfc7-28dd83b6a125.png?v=1777745213"},{"product_id":"stand-alone-ignition-system-twin-cam-21010070","title":"Stand-Alone Ignition System - 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