{"product":{"id":8063033999541,"title":"aFe Twisted Steel Headers Up-Pipes \u0026 Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML","body_html":"Stainless Steel Construction: The headers are constructed out of heavy duty gauge, mandrel-bent 304 stainless steel tubing with a .120\" wall for strength and durability. The up-pipes and down-pipe are constructed out of 2\" and 3\" mandrel-bent 304 brush finished stainless steel tubing.Optimized Tube Lengths: Tube lengths and mitered collectors are optimized for true pulse control technology which improves flow and performance across the power band.Heavy-Duty Flanges: A CNC-machined v-band inlet flange and heavy-duty outlet flange provide a secure, leak-free seal.EGT Ports: Two exhaust gas temperature (EGT) ports are provided with this system. A 1\/8 NPT EGT probe port is incorporated into the driver™s side manifold and a M14x1.5 port in the down pipe. This allows for easy installation of sensors, gauges or testing equipment.4\" Interlock Flex Pipes: The up-pipes utilizes heavy duty 4\" flex tubes with internal interlock liners.Retains EGR Flange: This system retains the EGR flange.Factory Mounting Locations: These headers utilize factory locations making it a true bolt-on system, no cutting or drilling required and includes all necessary hardware for a hassle-free installation.Fitment Note: This item will not fit models manufactured after July 2014 equipped with a 3 bolt flanged down-pipe.aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eHigh Country\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLTZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n\u003ctd\u003eHigh Country\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n\u003ctd\u003eLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n\u003ctd\u003eLTZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2015\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","vendor":"aFe","product_type":"Headers \u0026 Manifolds","created_at":"2024-11-03T09:26:31-05:00","handle":"afe-twisted-steel-headers-up-pipes-down-pipe-11-15-gm-diesel-trucks-v8-6-6l-td-lml","updated_at":"2026-02-24T12:02:29-05:00","published_at":"2024-11-03T09:26:29-05:00","template_suffix":null,"published_scope":"web","tags":"2011-chevrolet-silverado-2500-hd-esi9633847, 2011-chevrolet-silverado-3500-hd-esi1826260, 2011-gmc-sierra-2500-hd-esi4019303, 2011-gmc-sierra-3500-hd-esi1006943, 2012-chevrolet-silverado-2500-hd-esi5293041, 2012-chevrolet-silverado-3500-hd-esi3355046, 2012-gmc-sierra-2500-hd-esi4857009, 2012-gmc-sierra-3500-hd-esi1829522, 2013-chevrolet-silverado-2500-hd-esi9021088, 2013-chevrolet-silverado-3500-hd-esi5631012, 2013-gmc-sierra-2500-hd-esi9287759, 2013-gmc-sierra-3500-hd-esi4128341, 2014-chevrolet-silverado-2500-hd-esi6200182, 2014-chevrolet-silverado-3500-hd-esi5303811, 2014-gmc-sierra-2500-hd-esi9533490, 2014-gmc-sierra-3500-hd-esi2240054, 2015-chevrolet-silverado-2500-hd-esi6342852, 2015-chevrolet-silverado-3500-hd-esi2371073, 2015-gmc-sierra-2500-hd-esi4745631, 2015-gmc-sierra-3500-hd-esi4586965, afe, CaseLotQuantity:1, chassis 2011-2015, chevrolet, ClearanceItem:N, Core:N, CorePrice:0, EPA:Testing, exterior accessories and tonneau covers, fits_2011-2015`Chevrolet`Silverado 3500 HD`LTZ~2011-2015`Chevrolet`Silverado 3500 HD`WT~2015`GMC`Sierra 2500 HD`Base~2011-2015`GMC`Sierra 2500 HD`Denali~2011-2015`GMC`Sierra 2500 HD`SLE~2011-2015`GMC`Sierra 2500 HD`SLT~2011-2014`GMC`Sierra 2500 HD`WT, fits_2011-2015`GMC`Sierra 3500 HD`Denali~2011-2015`GMC`Sierra 3500 HD`SLE~2011-2015`GMC`Sierra 3500 HD`SLT~2011-2014`GMC`Sierra 3500 HD`WT, fits_2015`Chevrolet`Silverado 2500 HD`High Country~2011-2015`Chevrolet`Silverado 2500 HD`LT~2011-2015`Chevrolet`Silverado 2500 HD`LTZ~2011-2015`Chevrolet`Silverado 2500 HD`WT~2015`Chevrolet`Silverado 3500 HD`High Country, gmc, headers-manifolds, LTL:N, MPN:48-34139, Non-CARB:Y, over-1000, Prop65:Y, sierra 2500, sierra 3500, silverado 2500, silverado 3500, SpecialOrder:Y, TURN14_ID:353329","variants":[{"id":44769895907509,"product_id":8063033999541,"title":"Default Title","price":"2932.68","sku":"AFE48-34139","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":"shopify","option1":"Default Title","option2":null,"option3":null,"created_at":"2024-11-03T09:26:31-05:00","updated_at":"2026-02-24T12:02:29-05:00","taxable":true,"barcode":"802959483237","grams":19958,"image_id":null,"weight":44.0,"weight_unit":"lb","requires_shipping":true,"price_currency":"USD","compare_at_price_currency":""}],"options":[{"id":10249352806581,"product_id":8063033999541,"name":"Title","position":1,"values":["Default 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