{"product_id":"dieselr-3-inch-downpipe-6-6l-duramax-lly-lbz-lmm-2004-5-2010","title":"Dieselr 3-Inch Downpipe Duramax LLY\/LBZ\/LMM 6.6L (2004.5-2010)","description":"\u003ch2\u003e3-Inch Downpipe for 2004.5-2010 6.6L Duramax\u003c\/h2\u003e\n\u003cp\u003eThe Dieselr 3-Inch Downpipe Duramax LLY\/LBZ\/LMM 6.6L (2004.5-2010) is engineered as a direct-fit replacement for the restrictive factory unit on mid-generation Duramax platforms. Designed specifically for LLY, LBZ, and LMM applications, this downpipe provides a smoother exhaust transition from the turbocharger outlet.\u003c\/p\u003e\n\n\u003cp\u003eBuilt around factory turbo location and firewall clearance constraints, it maintains proper routing while supporting controlled exhaust flow under load.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003ePlatform Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2004.5-2005 GM 6.6L Duramax LLY\u003c\/li\u003e\n\u003cli\u003e2006-2007 GM 6.6L Duramax LBZ\u003c\/li\u003e\n\u003cli\u003e2007.5-2010 GM 6.6L Duramax LMM\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 2500HD \/ 3500HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500HD \/ 3500HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eConfirm engine code and model year split (early vs. 2004.5 LLY) prior to ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eEngineering Overview\u003c\/h2\u003e\n\u003ch3\u003eMandrel-Bent 3-Inch Construction\u003c\/h3\u003e\n\u003cp\u003e3-inch mandrel-bent tubing reduces restriction compared to the factory downpipe geometry while maintaining proper fitment within the engine bay.\u003c\/p\u003e\n\n\u003ch3\u003ePlatform-Specific Design\u003c\/h3\u003e\n\u003cp\u003eEngineered for correct firewall clearance, transmission tunnel spacing, and OE turbocharger alignment.\u003c\/p\u003e\n\n\u003ch3\u003eDirect Replacement Fitment\u003c\/h3\u003e\n\u003cp\u003eInstalls in the factory downpipe location without modification to surrounding components.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for factory LLY\/LBZ\/LMM downpipe\u003c\/li\u003e\n\u003cli\u003eNo tuning platform required for physical installation\u003c\/li\u003e\n\u003cli\u003eInstaller is responsible for emissions compliance in their jurisdiction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVerify full exhaust system configuration before purchase to ensure compatibility.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSupport\u003c\/h2\u003e\n\u003cp\u003eDieselr validates and supports the platforms we carry. Confirm your engine code and overall exhaust strategy before proceeding.\u003c\/p\u003e\n\n\u003cp\u003eBuilt to work the way it should.\u003c\/p\u003e","brand":"Dieselr Parts","offers":[{"title":"Default Title","offer_id":48432929800441,"sku":"255-05301","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/3793\/5353\/files\/Dieselr_3-Inch_Downpipe_Duramax_LLYLBZLMM_6.6L_-2004.5-2010-255-05301.webp?v=1779553455","url":"https:\/\/www.georgiadieselworks.com\/products\/dieselr-3-inch-downpipe-6-6l-duramax-lly-lbz-lmm-2004-5-2010","provider":"Georgia Diesel Works","version":"1.0","type":"link"}