{"product_id":"mbrp-01-04-chevy-gmc-duramax-6-6l-turbo-downpipe-3-inch-direct-replacement-for-silverado-2500-hd","title":"MBRP 01-04 Chevy\/GMC Duramax 6.6L Turbo Downpipe - 3 Inch Direct Replacement for Silverado 2500 HD","description":"Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sale or use in the state of California.\nArmor Lite Turbocharger Down Pipe; 3 in. Diameter; Incl. Mounting Gasket; 4.5 in. Outlet Diameter Tip;\nFits Early 2004 Models.\n\u003cul\u003e\n  \u003cli\u003eRetains All Factory Mounting Points\u003c\/li\u003e\n  \u003cli\u003eDirect Fit To Stock Exhaust\u003c\/li\u003e\n  \u003cli\u003eBolt-on Installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your 2001-2004 Chevrolet Silverado 2500 HD or GMC Duramax diesel truck with the MBRP Part Number GMCA425 turbo downpipe. Designed to replace the restrictive factory downpipe, this 3-inch diameter pipe enhances exhaust flow, which can improve both fuel economy and overall engine performance. Constructed for a direct bolt-on installation, it retains all factory mounting points and seamlessly fits with the stock exhaust system, providing an OEM-quality replacement that simplifies the upgrade process. The included mounting gasket ensures a secure fit, and the 4.5-inch outlet diameter tip adds a finishing touch for improved exhaust flow and sound. This downpipe is made from durable materials to withstand high temperatures and harsh conditions, providing long-lasting performance and reliability. Please note, removal of OEM catalytic converters may be illegal in your jurisdiction; ensure compliance with local emissions laws before installation. This product is not CARB-legal for use in California. Designed for easy installation, the MBRP turbo downpipe offers a significant performance upgrade for diesel enthusiasts seeking better airflow and efficiency. It is compliant with EPA standards, ensuring environmentally responsible operation while delivering noticeable improvements over the stock component.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eEnhances exhaust flow for improved performance and fuel economy\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e3-inch diameter for optimal airflow and turbo efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes mounting gasket for secure installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSeamlessly fits with factory mounting points and stock exhaust\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBolt-on installation for quick and straightforward upgrade\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDurable construction to withstand high temperatures and harsh conditions\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for 2001-2004 Chevrolet Silverado 2500 HD and GMC Duramax models\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNot for use in California due to emissions regulations\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMeets EPA compliance standards\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2001 Chevrolet Silverado 2500 HD Base\u003cbr\u003e\n2001 Chevrolet Silverado 2500 HD LS\u003cbr\u003e\n2001 Chevrolet Silverado 2500 HD LT\u003cbr\u003e\n2001 Chevrolet Silverado 3500 Base\u003cbr\u003e\n2001 Chevrolet Silverado 3500 LS\u003cbr\u003e\n2001 Chevrolet Silverado 3500 LT\u003cbr\u003e\n2001 GMC Sierra 2500 HD SL\u003cbr\u003e\n2001 GMC Sierra 2500 HD SLE\u003cbr\u003e\n2001 GMC Sierra 2500 HD SLT\u003cbr\u003e\n2001 GMC Sierra 3500 SL\u003cbr\u003e\n2001 GMC Sierra 3500 SLE\u003cbr\u003e\n2001 GMC Sierra 3500 SLT\u003cbr\u003e\n2002 Chevrolet Silverado 2500 HD Base\u003cbr\u003e\n2002 Chevrolet Silverado 2500 HD LS\u003cbr\u003e\n2002 Chevrolet Silverado 2500 HD LT\u003cbr\u003e\n2002 Chevrolet Silverado 3500 Base\u003cbr\u003e\n2002 Chevrolet Silverado 3500 LS\u003cbr\u003e\n2002 Chevrolet Silverado 3500 LT\u003cbr\u003e\n2002 GMC Sierra 2500 HD Base\u003cbr\u003e\n2002 GMC Sierra 2500 HD SL\u003cbr\u003e\n2002 GMC Sierra 2500 HD SLE\u003cbr\u003e\n2002 GMC Sierra 2500 HD SLT\u003cbr\u003e\n2002 GMC Sierra 3500 Base\u003cbr\u003e\n2002 GMC Sierra 3500 SL\u003cbr\u003e\n2002 GMC Sierra 3500 SLE\u003cbr\u003e\n2002 GMC Sierra 3500 SLT\u003cbr\u003e\n2003 Chevrolet Silverado 2500 HD Base\u003cbr\u003e\n2003 Chevrolet Silverado 2500 HD LS\u003cbr\u003e\n2003 Chevrolet Silverado 2500 HD LT\u003cbr\u003e\n2003 Chevrolet Silverado 3500 Base\u003cbr\u003e\n2003 Chevrolet Silverado 3500 LS\u003cbr\u003e\n2003 Chevrolet Silverado 3500 LT\u003cbr\u003e\n2003 GMC Sierra 2500 HD Base\u003cbr\u003e\n2003 GMC Sierra 2500 HD SLE\u003cbr\u003e\n2003 GMC Sierra 2500 HD SLT\u003cbr\u003e\n2003 GMC Sierra 2500 HD WT\u003cbr\u003e\n2003 GMC Sierra 3500 Base\u003cbr\u003e\n2003 GMC Sierra 3500 SLE\u003cbr\u003e\n2003 GMC Sierra 3500 SLT\u003cbr\u003e\n2004 Chevrolet Silverado 2500 HD Base\u003cbr\u003e\n2004 Chevrolet Silverado 2500 HD LS\u003cbr\u003e\n2004 Chevrolet Silverado 2500 HD LT\u003cbr\u003e\n2004 Chevrolet Silverado 2500 HD WT\u003cbr\u003e\n2004 Chevrolet Silverado 3500 Base\u003cbr\u003e\n2004 Chevrolet Silverado 3500 LS\u003cbr\u003e\n2004 Chevrolet Silverado 3500 LT\u003cbr\u003e\n2004 Chevrolet Silverado 3500 WT\u003cbr\u003e\n2004 GMC Sierra 2500 HD Base\u003cbr\u003e\n2004 GMC Sierra 2500 HD SLE\u003cbr\u003e\n2004 GMC Sierra 2500 HD SLT\u003cbr\u003e\n2004 GMC Sierra 2500 HD WT\u003cbr\u003e\n2004 GMC Sierra 3500 Base\u003cbr\u003e\n2004 GMC Sierra 3500 SLE\u003cbr\u003e\n2004 GMC Sierra 3500 SLT\u003cbr\u003e\n2004 GMC Sierra 3500 WT\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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