2015 GMC Sierra Exhaust Headers & Manifolds
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Doug Thorley Headers®Steel Short Tube Exhaust HeadersGMC Sierra 5.3L / 6.2L 2015, Steel Short Tube Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Header Style: Short Tube. These shortie headers are a fantastic way to work some...Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$825.96 - Dynatech®Exhaust HeadersGMC Sierra 5.3L / 6.2L 2015, Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Do you want to get more power out of your vehicle? Then this superior Dynatech product is just for you....Made to boost the performance of your vehicleExpertly crafted from premium materials$999.99
- Flowtech®409 SS Short Tube Exhaust HeadersGMC Sierra 5.3L / 6.2L 2015, 409 SS Short Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. Flowtech’s emissions-friendly headers are just the ticket for...This is a 50-State Legal headerSturdy 16 gauge tubing$353.95 - $410.95
- Hooker®BlackHeart™ Stainless Steel Natural Short Tube Exhaust HeadersGMC Sierra 5.3L 2015, BlackHeart™ Stainless Steel Natural Short Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.875". Color: Natural. Header Coating: Uncoated. Header Style: Short Tube. Hooker continues to push the...Tri-Y design creates a broad torque curve across the power bandUtilizes true mitered merge collectors designed to maximize exhaust velocity and scavenging$571.95
- Hooker®Cast Iron Exhaust ManifoldGMC Sierra 2015, Cast Iron Exhaust Manifold by Hooker®. Primary Tubing Diameter: 1.75". Hooker cast iron exhaust manifolds have been designed to hug close to the engine block so they fit into a wide variety of replacement and...Free-flowing for good performance and catalytic converter efficiency304 stainless steel mating flanges included (mating flange fasteners are not included)$266.95 - $599.95
- Merchant Automotive®Exhaust ManifoldGMC Sierra 2500 HD / 3500 HD 2015, Exhaust Manifold by Merchant Automotive®. This superior Merchant Automotive product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations....High quality at an affordable priceExpertly made from premium materials$465.60
- Moroso®Aluminum Header Flange KitGMC Sierra 5.3L / 6.0L / 6.2L 2015, Aluminum Header Flange Kit by Moroso®. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically...Aluminum plates simplify the task of matching exhaust ports to large tube, dual flange headers on enginesOnly 3/8" thick to save weight$151.99
- Howe Racing Enterprises®Header GasketGMC Sierra 2015, Header Gasket by Howe Racing Enterprises®. Designed utilizing the latest technology, this product by Howe Racing Enterprises® features premium quality and will perform better than advertised. Perfect for your vehicle...High quality at an affordable priceExpertly made from premium materials$11.36
- Merchant Automotive®Exhaust Manifold GasketGMC Sierra 2500 HD / 3500 HD 2015, Exhaust Manifold Gasket by Merchant Automotive®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...High quality at an affordable priceExpertly made from premium materials$57.93
- Dorman®Exhaust Manifold Heat ShieldGMC Sierra 2015, Exhaust Manifold Heat Shield by Dorman®. Replace a loose or missing exhaust manifold heat shield without replacing the manifold itself. This direct replacement heat shield has been dimensionally verified to match the...Effective replacement - designed to match the fit and function of the stock exhaust manifold heat shield on specific vehicle applicationsDurable construction - this heat shield is made of stamped steel to withstand underhood heat and conditions$52.73 - $69.17
- Hedman Hedders®Block Hugger Racing Exhaust HeadersBlock Hugger Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Color: Silver. Hedman’s Standard Block Hugger design is ideal for factory manifold replacement or engine swap...Low profile designBuilt of High Quality Materials$303.43 - $786.02
- Hooker®Super Competition™ Short Tube Block Hugger Exhaust HeadersSuper Competition™ Short Tube Block Hugger Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. All necessary hardware included for a complete installation. These...Designed for optimal performanceIndustry’s best welds for durability$371.95 - $739.95
- AP Exhaust®Header FlangeHeader Flange by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or use but instead on an owner’s...Made from first-rate materialsEnsures outstanding durability$30.70
- Edelbrock®Steel Black Oxide Exhaust Header BoltSteel Exhaust Header Bolt by Edelbrock®. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. Edelbrock's gaskets are not only manufactured from extremely high quality...The finest quality at a great priceEdelbrock carry everything needed to complete the job$16.95 - $20.95
- Elring®Exhaust Manifold NutExhaust Manifold Nut by Elring®. For professional repairs, place your trust in gaskets, gasket sets and service parts from Elring - the reliable and experienced supplier of spare parts to original equipment standard. The entire Elring...Expertly Crafted from the highest grade materialsMade to provide maximum accuracy and dependability$1.33
- Febi®Copper Plated Steel Lock Plate to Exhaust Manifold and Bifurcated Front Pipe NutCopper Plated Steel Lock Plate to Exhaust Manifold and Bifurcated Front Pipe Nut by Febi®. 12 mm Hex. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design...3-Year WarrantyThe finest quality at a great price$0.26
- BBK®Long Tube Exhaust HeadersGMC Sierra 5.3L / 6.2L 2015, Long Tube Exhaust Headers by BBK®. Primary Tubing Diameter: 1.75". Header Coating: Ceramic. Header Style: Long Tube. Gain 30 plus dyno-proven horsepower just by bolting on a set of BBK long tube, full length...Dyno Testing Results Show a Typical Increase of 30 HorsepowerCNC Mandrel Bent Tubes to Ensure Consistent Diameter throughout the Tubes$799.99 - $1,499.99
- Kooks®Torque™ Mild Steel Short Tube Exhaust HeadersGMC Sierra 5.3L / 6.2L 2015, Torque™ Mild Steel Short Tube Exhaust Headers by Kooks®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Short Tube. This product is made of high-quality materials to serve...Expertly crafted from premium materialsDesigned to match rigorous quality standards$1,430.84
- Hooker®BlackHeart™ 304 SS Natural Long Tube Exhaust HeadersBlackHeart™ 304 SS Natural Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Color: Natural. Header Coating: Uncoated. Header Style: Long Tube. This product is made of high-quality...High quality at an affordable priceExpertly made from premium materials$939.95
- Hooker®BlackHeart™ Cast Iron LS-Swap Exhaust ManifoldsBlackHeart™ Cast Iron LS-Swap Exhaust Manifolds by Hooker®. Primary Tubing Diameter: 1.75". This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...High quality at an affordable priceExpertly made from premium materials$289.95 - $682.95
- Hooker®BlackHeart™ Cast Iron LT-Swap Exhaust ManifoldsBlackHeart™ Cast Iron LT-Swap Exhaust Manifolds by Hooker®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". This product is made of high-quality materials to serve you for years to come. Designed using...High quality at an affordable priceExpertly made from premium materials$295.95 - $489.95
- CFR Performance®Exhaust Manifold GasketExhaust Manifold Gasket by CFR Performance®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...Expertly Crafted from the highest grade materialsBuilt to provide the ultimate in reliability and strength$7.75 - $18.32
- Generac®Exhaust Manifold GasketExhaust Manifold Gasket by Generac®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$42.35
- Prime Line®Exhaust Manifold GasketExhaust Manifold Gasket by Prime Line®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...Made with precision and quality in mindDesigned to meet your specific needs$13.31 - $24.96
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2015 GMC Sierra Models
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