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GMC Sierra 3500 Headers

We have 5 Items In-stock. Select a year to continue.
$521.77 List Price $854.50 Save $332.73 Availability: In Stock
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JBA CAT4WARD SHORTY HEADERS, STAINLESS STEEL, TITANIUM CERAMIC, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube diameter, 0.375 in. standard head flange; Shorty style; Round head port; They include mandrel-bent stainless steel primary tubes, patented JBA Firecone collector, factory style emission connections, extra thick collector domes, CNC laser-cut flange, and oversized exhaust ports; Made of tough and durable stainless steel; Constructed through race-proven technology for maximum horsepower and torque gains; They improve throttle response, resist warping, prevent leakage, increase flow, and accommodate cylinder head porting; Direct replacement for factory manifold, installation hardware kit included; For vehicles without EGR; Easy installation.
  • SKU#: J211850S3JT
  • Brand: JBA
  • Fit Note: Without EGR
  • Color/Finish: Titanium ceramic coated
  • Emissions: 50-state legal
  • Product Fit: Direct fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 2-3 business days
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Fits the following GMC Sierra 3500 Years:
  • 2007 | All Engines | All Submodels
$428.01 List Price $711.85 Save $283.84 Availability: In Stock
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GIBSON – PERFORMANCE HEADERS

Gibson’s Performance Headers are proven to increase horsepower by an impressive 20 hp and torque by as much as 30 lbs – a significant boost whether you’re on the track or the street. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Designed to replace factory exhaust manifold and utilize factory cross-over pipes
  • Streamlines air flow
  • Thick, 3/8” heavy-duty laser-cut flanges will not warp or leak - guaranteed
  • Choose ceramic coat, nickel-plated or stainless steel finish
  • Backed by a lifetime warranty
  • No welding required – easy to bolt-on
  • Engine lasts longer because it operates at cooler temperatures
  • Improved efficiency also directly improves gas mileage
  • Proven to improve torque by up to 30 lbs and horsepower up to 20 hp
  • Direct fit by vehicle year, make and model
  • Designed and manufactured in the USA
  • SKU#: G27GP500
  • Brand: Gibson
  • Fit Note: 4WD, RWD
  • Color/Finish: Chrome
  • Emissions: 50-state legal
  • Product Fit: Direct fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 business days
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Fits the following GMC Sierra 3500 Years:
  • 2004-2006 | 8 Cyl 6.0L | WT
  • 2002-2006 | 8 Cyl 6.0L | SL, SLE, SLT
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$305.59 List Price $750.00 Save $444.41 Availability: In Stock
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HEDMAN STANDARD DUTY EXHAUST HEADERS, STEEL, BLACK-PAINTED -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.63 in. tube diameter, 18-gauge tube wall thickness, stock flange collector, 0.25 in. standard head flange; Premium gasket and installation hardware included; Shorty style; Round head port; They feature 18-gauge mandrel-bent primary tubes; Protected by factory applied black paint for pre-installation protection; Made in USA; Tubular exhaust manifold system.
  • SKU#: H5669690
  • Brand: Hedman
  • Fit Note: 4WD, RWD
  • Color/Finish: Black
  • Emissions: 49-state legal - no CA shipments
  • Product Fit: Direct fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 2-3 business days
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Fits the following GMC Sierra 3500 Years:
  • 2007 | 8 Cyl 6.0L | Classic SL, Classic SLE, Classic SLT, Classic WT
  • 2004-2005 | 8 Cyl 6.0L | WT
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$162.79 List Price $192.09 Save $29.30 Availability: In Stock
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FLOWTECH UNIVERSAL STANDARD BLOCK HUGGER HEADERS, BLACK -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube size; 2.5 in. collector size; Includes gaskets and all necessary hardware; Features electrostatically applied satin black paint, computer-controlled mandrel-bent 16-gauge tubing, and precision die-cut exhaust port flanges; Engineered and tested for leak-proof seal; Universal only for custom cars, trucks and street rods using V8 265-400 displacement, Chevy small block engines.
  • SKU#: F3111000
  • Brand: Flowtech
  • Color/Finish: Black
  • Emissions: 49-state legal - no CA shipments
  • Product Fit: Minor Modifications
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: Same day - 1 business day
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Fits the following GMC Sierra 3500 Years:
  • 2007 | 8 Cyl 6.6L | Classic SL, Classic SLE, Classic SLT, Classic WT
  • 2004-2006 | 8 Cyl 6.6L | WT
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$449.99 List Price $530.99 Save $81.00 Availability: In Stock
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BBK – HEADERS

For less than $500 and an afternoon you can get a substantial increase in true horsepower – up to 23 extra to be more precise – by getting a BBK header in there to optimize your vehicle’s air flow. Aftermarket performance leader BBK specializes in throttle bodies, cold air intake systems and headers and is recognized worldwide for its adjustable clutch quadrant kits.

  • Designed to replace the factory exhaust manifold
  • Makes as much as 23 more horsepower
  • Premium fully-machined mandrel-bent tubing
  • Bolt-on style for easy installation
  • Designed and made in America
  • Streamlines air flow
  • Comes in polished chrome or flat finish
  • Laser-cut flanges are meant to prevent heat distortion
  • SKU#: B4540060
  • Brand: BBK
  • Fit Note: 4WD, 1.75 in., With Air Fitting Connectors, RWD, 1.75 in., With Air Fitting Connectors
  • Color/Finish: Silver Ceramic
  • Emissions: 49-state legal - no CA shipments
  • Product Fit: Direct fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 2-3 business days
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Fits the following GMC Sierra 3500 Years:
  • 2007 | 8 Cyl 6.0L | Classic SL, Classic SLE, Classic SLT, Classic WT
  • 2004-2006 | 8 Cyl 6.0L | WT
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Select more GMC Sierra 3500 parts under Headers, Manifolds & Components from list below.