{"product_id":"calibrated-power-stealth-str-turbocharger-cps200130-2004-5-2010-6-6l-duramax-lly-lbz-lmm","title":"CALIBRATED POWER STEALTH STR TURBOCHARGER CPS200130 | 2004.5-2010 6.6L DURAMAX LLY\/LBZ\/LMM","description":"\u003cp\u003eUpgrade or replace the factory turbocharger on your GM 6.6L Duramax LLY, LBZ, or LMM with the Calibrated Power Stealth STR Turbocharger. Designed as a direct bolt-on replacement, the Stealth STR combines stock-like spool characteristics with increased airflow, improved temperature control, and additional horsepower capability for street and towing applications.\u003c\/p\u003e\n\n\u003cp\u003eThe Stealth STR features a custom \u003cstrong\u003e61mm 7-blade extended-tip billet compressor wheel\u003c\/strong\u003e capable of approximately 67 lb\/min of airflow compared to approximately 59 lb\/min from the stock compressor. Its lightweight billet construction and broad efficiency range help provide quick throttle response while reducing the potential for compressor surge during towing and low-RPM operation.\u003c\/p\u003e\n\n\u003cp\u003eOn the exhaust side, a custom \u003cstrong\u003e10-blade high-flow turbine wheel\u003c\/strong\u003e uses thicker, more heat-resistant blades to improve durability and exhaust flow. The turbine design helps reduce drive pressure under heavy loads and provides improved EGT control compared to the factory turbocharger while producing the distinctive exhaust note associated with a 10-blade turbine.\u003c\/p\u003e\n\n\u003cp\u003eUpgraded \u003cstrong\u003e11mm turbine vanes\u003c\/strong\u003e are optimized for improved boost-to-drive-pressure ratios while retaining factory exhaust brake functionality and responsive vane operation. A 360-degree thrust bearing provides additional durability for demanding applications.\u003c\/p\u003e\n\n\u003cp\u003eThe Stealth STR is designed as a direct replacement using brand-new components throughout. No core charge is required, and the turbocharger is designed to install without custom fabrication or calibration changes.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e61mm billet compressor wheel\u003c\/strong\u003e – Custom 7-blade extended-tip design provides increased airflow and a broad efficiency range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApproximately 67 lb\/min airflow\u003c\/strong\u003e – Increased compressor airflow compared to approximately 59 lb\/min stock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10-blade high-flow turbine\u003c\/strong\u003e – Custom oversized turbine improves exhaust flow and efficiency\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThicker turbine blades\u003c\/strong\u003e – Designed for increased durability and heat resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e11mm turbine vanes\u003c\/strong\u003e – Optimized for improved boost-to-drive-pressure characteristics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast spool-up\u003c\/strong\u003e – Lightweight rotating assembly provides responsive, stock-like boost response\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved surge resistance\u003c\/strong\u003e – Designed to maintain compressor stability during towing and low-RPM operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower drive pressure\u003c\/strong\u003e – High-flow turbine design improves exhaust flow under heavy engine loads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved EGT control\u003c\/strong\u003e – Designed to provide better temperature management than the factory turbocharger\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory exhaust brake compatible\u003c\/strong\u003e – Retains factory exhaust brake functionality\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 600 RWHP capability\u003c\/strong\u003e – Designed to support performance applications up to approximately 600 rear-wheel horsepower\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e70–80 RWHP potential increase\u003c\/strong\u003e – Manufacturer states gains of approximately 70–80 RWHP over comparable calibration-only configurations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e360-degree thrust bearing\u003c\/strong\u003e – Provides additional durability under demanding operating conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect bolt-on installation\u003c\/strong\u003e – Designed as a replacement for the factory turbocharger without custom fabrication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand-new components\u003c\/strong\u003e – New parts used throughout the turbocharger assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo core charge\u003c\/strong\u003e – No original turbocharger return required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Stealth STR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompressor Wheel:\u003c\/strong\u003e 61mm 7-Blade Extended-Tip Billet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Compressor Airflow:\u003c\/strong\u003e Approximately 67 lb\/min\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurbine:\u003c\/strong\u003e 10-Blade High-Flow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurbine Vanes:\u003c\/strong\u003e 11mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThrust Bearing:\u003c\/strong\u003e 360-Degree\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Capability:\u003c\/strong\u003e Up to Approximately 600 RWHP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Direct Bolt-On \/ Drop-In Replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCore Charge:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntended Use:\u003c\/strong\u003e Street, Daily Driving, Towing \u0026amp; Performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e GM 6.6L Duramax LLY, LBZ \u0026amp; LMM\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e CPS200130\u003c\/p\u003e","brand":"Calibrated Power","offers":[{"title":"Default Title","offer_id":54077627269403,"sku":"CPS200130","price":2149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-10-01at2.38.01PM.png?v=1790887108","url":"https:\/\/wwmperformance.com\/products\/calibrated-power-stealth-str-turbocharger-cps200130-2004-5-2010-6-6l-duramax-lly-lbz-lmm","provider":"WWM Performance","version":"1.0","type":"link"}