{"id":9970436636912,"title":"2011-2016 GM 6.6L Duramax OEM Length Replacement High Flow Up-Pipe Kit","handle":"replacement-high-flow-up-pipe-kit-2011-2016-gm-6-6l-duramax-oem-length","description":"\u003ch2\u003eReplacement High Flow Up-Pipe Kit\u003c\/h2\u003e\n\u003cp\u003eThe undersized OEM up-pipes are not corrosion resistant and introduce restrictions to the system, impairing turbo charger efficiency and increasing pumping loss. The PPE High-Flow Up-Pipes tackled these issues with a stainless-steel construction and a non-restrictive design. By enlarging the OEM bottle neck and eliminating the tight bends, PPE up-pipes can increase exhaust airflow by up to 46%, allowing for a smooth exhaust process.\u003c\/p\u003e\n\u003cp\u003eThese up-pipes are a direct bolt-on to your OEM exhaust manifolds. Replacement up-pipe gaskets are also included for a hassle-free installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Does not include EGR gasket \u003ca href=\"https:\/\/ppepower.com\/products\/gasket-egr-cooler-bypass-gm-6-6l-duramax-2011-2016-lml-98065519\" rel=\"noopener\" target=\"_blank\"\u003e118075011\u003c\/a\u003e\u003c\/p\u003e","published_at":"2026-04-04T18:41:55-07:00","created_at":"2026-04-04T18:41:55-07:00","vendor":"Pacific Performance Engineering","type":"","tags":["01 LB7 CA 116120204","02-04 LB7 CA 116120405","11-16 LML 116122000","116120000 01-04 LB7 FED","17-21 L5P 116122000","2011-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi8027408","2011-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi5822422","2011-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi4101511","2011-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi5074786","2012-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi3949190","2012-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi8241768","2013-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi8348202","2013-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi6781017","2013-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi3746712","2013-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi4015262","2014-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi4102817","2014-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi8135972","2014-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi7511554","2014-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi5419811","2015-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi1890262","2015-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi1633551","2015-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi7943233","2016-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esi7752593","2016-chevrolet-silverado-2500hd-8-cyl-6-6-liter-turbo-esr4985574","2016-chevrolet-silverado-3500hd-8-cyl-6-6-liter-turbo-esi4667560","2016-gmc-sierra-2500hd-8-cyl-6-6-liter-turbo-esi2982779","2016-gmc-sierra-3500hd-8-cyl-6-6-liter-turbo-esi5635040","GM","LLY 116120607","LLY\/LBZ 116120710","LMM 116121115","Manifolds and Up-Pipes"],"price":49999,"price_min":49999,"price_max":49999,"available":true,"price_varies":false,"compare_at_price":0,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49501517086960,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"116121115","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"2011-2016 GM 6.6L Duramax OEM Length Replacement High Flow Up-Pipe Kit","public_title":null,"options":["Default Title"],"price":49999,"weight":6123,"compare_at_price":0,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.hitechclassics.com\/cdn\/shop\/files\/2011-2016-GM-6.6L-Duramax-OEM-Length-Replacement-High-Flow-Up-Pipes-Pacific-Performance-Engineering-142893816.jpg?v=1775353318","\/\/www.hitechclassics.com\/cdn\/shop\/files\/2011-2016-GM-6.6L-Duramax-OEM-Length-Replacement-High-Flow-Up-Pipes-Pacific-Performance-Engineering-142894044.jpg?v=1775353318"],"featured_image":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/2011-2016-GM-6.6L-Duramax-OEM-Length-Replacement-High-Flow-Up-Pipes-Pacific-Performance-Engineering-142893816.jpg?v=1775353318","options":["Title"],"media":[{"alt":null,"id":44161597669616,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/2011-2016-GM-6.6L-Duramax-OEM-Length-Replacement-High-Flow-Up-Pipes-Pacific-Performance-Engineering-142893816.jpg?v=1775353318"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/2011-2016-GM-6.6L-Duramax-OEM-Length-Replacement-High-Flow-Up-Pipes-Pacific-Performance-Engineering-142893816.jpg?v=1775353318","width":1200},{"alt":null,"id":44161597702384,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/2011-2016-GM-6.6L-Duramax-OEM-Length-Replacement-High-Flow-Up-Pipes-Pacific-Performance-Engineering-142894044.jpg?v=1775353318"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/2011-2016-GM-6.6L-Duramax-OEM-Length-Replacement-High-Flow-Up-Pipes-Pacific-Performance-Engineering-142894044.jpg?v=1775353318","width":1200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eReplacement High Flow Up-Pipe Kit\u003c\/h2\u003e\n\u003cp\u003eThe undersized OEM up-pipes are not corrosion resistant and introduce restrictions to the system, impairing turbo charger efficiency and increasing pumping loss. The PPE High-Flow Up-Pipes tackled these issues with a stainless-steel construction and a non-restrictive design. By enlarging the OEM bottle neck and eliminating the tight bends, PPE up-pipes can increase exhaust airflow by up to 46%, allowing for a smooth exhaust process.\u003c\/p\u003e\n\u003cp\u003eThese up-pipes are a direct bolt-on to your OEM exhaust manifolds. Replacement up-pipe gaskets are also included for a hassle-free installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Does not include EGR gasket \u003ca href=\"https:\/\/ppepower.com\/products\/gasket-egr-cooler-bypass-gm-6-6l-duramax-2011-2016-lml-98065519\" rel=\"noopener\" target=\"_blank\"\u003e118075011\u003c\/a\u003e\u003c\/p\u003e"}