{"title":"GEN 3 LS","description":"\u003cp\u003eGEN 3 LS Tunes for your 99-07 Chevrolet \u0026amp; GMC Trucks\u003c\/p\u003e","products":[{"product_id":"cammed-startup-tune","title":"GEN 3\/4 LS Startup Tune To Get To Dyno","description":"\u003cp\u003e\u003cstrong\u003eStartup tune designed to get your truck safely and smoothly to the dyno. This tune ensures reliable idling and drivability—perfect for LS trucks with added cams or other modifications preparing for a final dyno tune. Provide us with your vehicle specs, and we’ll create a tailored startup tune to get you on the road and ready for tuning.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Custom LS Tuning","offers":[{"title":"Default Title","offer_id":46825336832157,"sku":"","price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/8302\/9661\/files\/startuptuneproductpic_46fd875c-a6bb-4c59-84a1-37cbd921327b.png?v=1752644313"},{"product_id":"full-custom-tune-with-revisions","title":"GEN 3\/4 LS Full Custom Boost Tune With Revisions","description":"\u003cp class=\"my-0\"\u003e\u003cstrong\u003eThis is a comprehensive HP Tuners boost tune with multiple revisions included. After purchase, we’ll provide you with an initial custom tune to install and run. You’ll record data logs while driving and send them back to us, and we’ll analyze and revise the tune as needed until your truck is perfectly dialed in.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cstrong\u003eThis tune is optimized for Superchargers, Turbos and upgraded heads, camshafts, injectors, full bolt-on setups, and similar modifications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cstrong\u003eYou will need a HP Tuners MPVI and a Wideband Gauge connected to your MPVI for logging.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Custom LS Tuning","offers":[{"title":"Default Title","offer_id":47013100159133,"sku":null,"price":750.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/8302\/9661\/files\/miz2R.jpg?v=1776176411"},{"product_id":"truck-norris-chopacabra-pro-ls-low-buck-truck-camshaft-tune","title":"GEN 3\/4 LS Truck Norris, Chopacabra, Pro LS, Low Buck Truck Camshaft Tune","description":"\u003cp class=\"my-0\"\u003e\u003cstrong\u003eThis package provides a complete HP Tuners calibration with multiple revisions, specifically designed for engines equipped with Truck Norris, Chopacabra, PRO LS, Low Buck Truck, or other popular performance camshafts. After your purchase, we'll send you a custom base tune to load and run in your truck. Simply record data logs while driving and send them back to us—we’ll review your logs, make adjustments, and send you revised tunes. This process is repeated until your setup is fully optimized and running at its best.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cstrong\u003eIdeal for stock engines, as well as builds with bolt-ons, aftermarket heads and camshafts, upgraded injectors, and full bolt-on modifications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e \u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cstrong\u003eYou will need a HP Tuners MPVI and a Wideband Gauge connected to your MPVI for logging.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cbr\u003e\u003cem\u003ePlease note: This service does not include tuning for forced induction (supercharged or turbocharged) combos.\u003c\/em\u003e\u003c\/p\u003e","brand":"Custom LS Tuning","offers":[{"title":"Default Title","offer_id":47012056105117,"sku":null,"price":550.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/8302\/9661\/files\/cam_tune_product_pic.png?v=1752644166"},{"product_id":"e-fans-vats-dod-tune","title":"GEN 3\/4 LS E Fans\/Vats Tune","description":"\u003cp\u003e\u003cstrong\u003eOur ECU programming service is designed for custom builds and engine swaps. We can enable electric cooling fan operation after an e-fan conversion, ensuring your fans run properly for optimal cooling. We also offer VATS (Vehicle Anti-Theft System) removal, which is helpful when installing stand-alone harnesses or in custom setups that don’t need factory security features. All changes are made professionally for reliable, problem-free performance.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Custom LS Tunes","offers":[{"title":"Default Title","offer_id":47012114170013,"sku":null,"price":200.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/8302\/9661\/files\/gen_3_efans_and_vats_tune_product_pic.png?v=1752695058"},{"product_id":"full-custom-bolt-on-tune-with-revisions","title":"GEN 3\/4 LS Full Custom Bolt on Tune With Revisions","description":"\u003cp class=\"my-0\"\u003e\u003cstrong\u003eThis package is a comprehensive HP Tuners bolt-on calibration, including multiple revisions to ensure your vehicle performs at its best. We’ll provide an initial custom tune tailored for your setup—just flash it, datalog your driving, and send the logs back to us. We’ll review your data and deliver refined updates, repeating the process until your truck is dialed in for optimal performance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cstrong\u003eIdeal for builds with headers, cold air intake, intake manifold, upgraded heads, and other full bolt-ons.\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cstrong\u003eYou will need a HP Tuners MPVI and a Wideband Gauge connected to your MPVI for logging.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cbr\u003e\u003cem\u003ePlease note: Forced induction (supercharger or turbo) or nitrous tuning is not included with this package.\u003c\/em\u003e\u003c\/p\u003e","brand":"Custom LS Tuning","offers":[{"title":"Default Title","offer_id":47013099471005,"sku":null,"price":400.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/8302\/9661\/files\/custom_bolt_on_tune_product_pic.png?v=1752679336"},{"product_id":"gen-3-4-ls-full-custom-stroker-tune-with-revisions","title":"GEN 3\/4 LS Full Custom Stroker Tune With Revisions","description":"\u003cp class=\"my-0\"\u003e\u003cstrong\u003eThis is a comprehensive HP Tuners stroker tune with multiple revisions included. After purchase, we’ll provide you with an initial custom tune to install and run. You’ll record data logs while driving and send them back to us, and we’ll analyze and revise the tune as needed until your truck is perfectly dialed in.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cstrong\u003eThis tune is optimized for stroker motors with upgraded heads, camshafts, injectors, full bolt-on setups, and similar modifications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cstrong\u003eYou will need a HP Tuners MPVI and a Wideband Gauge connected to your MPVI for logging.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cbr\u003e\u003cem\u003ePlease note: Forced induction tuning (turbo or supercharger) or nitrous is not included with this package.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"my-0\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Custom LS Tuning","offers":[{"title":"Default Title","offer_id":47832987238557,"sku":null,"price":650.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/8302\/9661\/files\/full_custom_stroker_tune.png?v=1776101023"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/8302\/9661\/collections\/gen_3_ls_tunes_collection_pic.png?v=1752692515","url":"https:\/\/customlstunes.com\/collections\/gen-3-ls.oembed","provider":"Custom LS Tunes","version":"1.0","type":"link"}