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GMC Sierra 3500 Headers

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GMC Sierra 3500 Headers, Gibson Performance Headers - Silver Ceramic, Stainless Steel, 4-1, Direct Fit

$566.35 $1,030.41 You Save $464.06 (45%)
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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
  • Brand SKU#: Gibson GP500S-C
  • Series: Gibson Performance
  • Material: Stainless Steel
  • Design: 4-1
  • Color/Finish: Silver Ceramic
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 2-3 business days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: OE Style Flange
  • Collector Diameter: Stock
  • Equal Length Primary Tubes: No
  • Gaskets Included: Premium Carbon Composite Gasket
  • Head Flange Style: Stock
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty Tuned
  • Includes: Premium gasket, installation hardware
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 5/8 in.
  • Primary Tube Thickness: 16 Gauge
  • Primary Tube Wall Thickness: 16-Gauge
  • Provision: EGR
  • Warranty: Lifetime Gibson limited warranty
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Fits the following GMC Sierra 3500 Years

  • 2002-2005 | Base | 8 Cyl 6.0L
  • 2002-2006 | SLE | 8 Cyl 6.0L
  • 2002-2006 | SLT | 8 Cyl 6.0L
  • 2002-2006 | SL | 8 Cyl 6.0L
  • 2004-2006 | WT | 8 Cyl 6.0L
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GMC Sierra 3500 Headers, JBA Cat4ward Shorty Headers - Titanium Ceramic Coated, Stainless Steel, 4-1, Direct Fit

$531.01 $854.50 You Save $323.49 (38%)
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JBA – CAT4WARD SHORTY HEADERS

Want to find a way to unleash extra horsepower and torque from your engine and stay smog legal in all 50 states? JBA offers just what you need, a set of JBA Cat4ward Shorty Headers will help your vehicle to achieve a bump in power while keeping your vehicle 50-state smog legal. JBA rose to fame back in 1987 by focusing on creating headers with massive horsepower and torque gains while remaining completely smog legal in all 50 states. In order to achieve this, JBA did not compromise on fit, durability and quality. You can rest assured that JBA put in the extra effort required to give your vehicle a noticeable jump in horsepower and torque while keeping it street legal. Besides offering the widest selection anywhere of 50 state smog legal headers, JBA also makes a full lineup of exhausts, mid-pipes and even headers for use in motorsports.

  • Perfect for towing vehicles and motor homes
  • Prevents warping with heavy 3/8 inch laser cut head flanges
  • Exhaust port design is oversized
  • Compatible with ported heads
  • Race-proven design
  • Smooth exhaust flow from mandrel bent tubes
  • One of the finest 50 state smog legal aftermarket performance parts available anywhere
  • Choose from titanium ceramic, silver ceramic or stainless steel finishes
  • Both silver and titanium ceramic finishes block heat for lower temps under hood
  • Largest selection of 50-state smog legal headers available anywhere
  • Heavy gauge tubing lowers header noise and makes for a better exhaust note for most cars

NOTE: JBA Cat4ward Shorty Headers are available in two styles; competition versions for off-road and racetrack use only and 50 state smog legal versions for on-road use.

  • Brand SKU#: JBA 1850S-3JT
  • Series: JBA Cat4ward Shorty
  • Material: Stainless Steel
  • Design: 4-1
  • Color/Finish: Titanium Ceramic Coated
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D-57-29 & D-57-25
  • Anticipated Ship Out Time: 2-3 business days
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Primary Tube Diameter: 1.625 in.
  • Warranty: 1-year JBA limited warranty
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Fits the following GMC Sierra 3500 Years

  • 2007 | Classic SL | 8 Cyl 6.0L
  • 2007 | Classic SLE | 8 Cyl 6.0L
  • 2007 | Classic SLT | 8 Cyl 6.0L
  • 2007 | Classic WT | 8 Cyl 6.0L
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GMC Sierra 3500 Headers, Hedman Painted Hedders Headers - Black, Steel, 4-1, Direct Fit

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$351.63 $767.14 You Save $415.51 (54%)
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HEDMAN – PAINTED HEDDERS

Is that power-robbing stock manifold still on your vehicle? If you answered yes, then replace it with a Hedman Painted Header to lower your operating temps and release extra horsepower and torque from your engine. These hedders are designed for painting, so order a can of header paint in the color that best suits your vehicle. Hedman Hedders have always been made in the USA since the company was founded over 50 years ago. Bob Hedman started out making hedders as a one man shop but word spread fast about the horsepower and torque that Hedman hedders were producing. His hedders have been in demand by top engine builders and racers since the start. Hedman’s time perfecting hedders on the track and on the dyno ensures you will get optimum performance with every Hedman Header whether it is installed on your race car or daily driver.

  • Perfect for hot rod builds on a tight budget
  • Proudly manufactured in U.S.A.
  • Tubing size is 16 to 18 gauge depending on model
  • Size of flanges are 5/16 inch
  • These hedders are designed to be painted, so pick up a can of header paint in a color of your choice

NOTE: Not legal for use or sale in California on vehicles that came equipped with emission controls from the factory.

  • Brand SKU#: Hedman 69690
  • Series: Hedman Painted Hedders
  • Material: Steel
  • Design: 4-1
  • Color/Finish: Black
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D167-31
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Flange
  • Collector Diameter: Stock
  • Emissions Legality: 50-State Legal
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 1/4 in.
  • Header Style: Shorty
  • Includes: Premium gasket, installation hardware
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1.63 in.
  • Primary Tube Thickness: 18 Gauge
  • Primary Tube Wall Thickness: 18-gauge
  • Warranty: Lifetime Hedman limited warranty
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Fits the following GMC Sierra 3500 Years

  • 2001-2002 | SL | 8 Cyl 6.0L
  • 2001-2005 | SLE | 8 Cyl 6.0L
  • 2001-2005 | SLT | 8 Cyl 6.0L
  • 2002-2005 | Base | 8 Cyl 6.0L
  • 2004-2005 | WT | 8 Cyl 6.0L
  • 2007 | Classic SL | 8 Cyl 6.0L
  • 2007 | Classic SLE | 8 Cyl 6.0L
  • 2007 | Classic SLT | 8 Cyl 6.0L
  • 2007 | Classic WT | 8 Cyl 6.0L
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GMC Sierra 3500 Headers, Flowtech Block Hugger Headers - Black, Steel, 4-1, Universal

$162.95 $192.28 You Save $29.33 (15%)
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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.
  • Brand SKU#: Flowtech 11000
  • Series: Flowtech Block Hugger
  • Material: Steel
  • Design: 4-1
  • Color/Finish: Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Universal
  • Quantity Sold: Kit
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Flanged
  • Collector Diameter: 2.5 in.
  • Gaskets Included: Yes
  • Head Flange Thickness: 5/16 in.
  • Header Style: Shorty
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 5/8 in.
  • Primary Tube Wall Thickness: 16-Gauge
  • Warranty: 90-day Flowtech warranty
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Fits the following GMC Sierra 3500 Years

  • 2001-2006 | SLE | 8 Cyl 6.6L
  • 2001-2006 | SLT | 8 Cyl 6.6L
  • 2001-2006 | SL | 8 Cyl 6.6L
  • 2002-2005 | Base | 8 Cyl 6.6L
  • 2004-2006 | WT | 8 Cyl 6.6L
  • 2007 | Classic SL | 8 Cyl 6.6L
  • 2007 | Classic SLE | 8 Cyl 6.6L
  • 2007 | Classic SLT | 8 Cyl 6.6L
  • 2007 | Classic WT | 8 Cyl 6.6L
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GMC Sierra 3500 Headers, BBK CNC Headers - Silver Ceramic, Steel, 4-1, Direct Fit

$469.99 $554.59 You Save $84.60 (15%)
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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
  • Brand SKU#: BBK 40060
  • Series: BBK CNC
  • Material: Steel
  • Design: 4-1
  • Color/Finish: Silver Ceramic
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 3-4 business days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Flange
  • Gaskets Included: Yes
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty Tuned
  • Numberof Cylinders: 8
  • Primary Tube Diameter: 1 3/4 in.
  • Primary Tube Thickness: 16 Gauge
  • Warranty: 1-year BBK limited warranty
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Fits the following GMC Sierra 3500 Years

  • 2001-2006 | SLE | 8 Cyl 6.0L
  • 2001-2006 | SLT | 8 Cyl 6.0L
  • 2001-2006 | SL | 8 Cyl 6.0L
  • 2002-2005 | Base | 8 Cyl 6.0L
  • 2004-2006 | WT | 8 Cyl 6.0L
  • 2007 | Classic SL | 8 Cyl 6.0L
  • 2007 | Classic SLE | 8 Cyl 6.0L
  • 2007 | Classic SLT | 8 Cyl 6.0L
  • 2007 | Classic WT | 8 Cyl 6.0L
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