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Flowtech 11143

Shorty Headers 2003-2013 Chevy/GMC Silverado/Tahoe/Yukon

Flowtech 11143
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Product images may differ from actual product appearance.

387-11143

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$323.95
$291.56
ON SALE - $32.39 OFF
Flowtech 11143 Shorty Headers 2003-2013 Chevy/GMC Silverado/Tahoe/Yukon $291.56
Shorty Headers
  • 2003-2013 Chevy / GMC Silverado / Tahoe / Yukon
  • 6.0L LS
  • 1 7/8" Primary Tube
  • 304 Stainless Steel
  • High-Temp Black Paint Finish
  • Popular For (LS-engine) Swap Projects

  • Flowtech 11143 Details

    Chevy/GMC

  • Painted Black
  • Flowtech Headers are the perfect combination of quality and value. This shorty style header is popular for "LS-Engine" swap projects. They fit the popular 2003-2013 Chevy Silverado/Tahoe/Yukon V-8 6.0L, 2WD/4WD.

    Features:

     

    • Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
    • Heavy duty 16-gauge tubing for increased strength and durability
    • Smooth transition, 1-7/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
    • OE style 2-1/2” collector connects to factory exhaust head pipe with no cutting or welding
    • TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
    • Premium aluminum header gaskets included
    • Coated in high heat resistant black paint
    • Headers are a must upgrade if you are using a cold air intake, cat-back exhaust system or tuner

     


    Specifications:

    Engine Make/Size
    Chevy LS Series
    Material
    Steel
    Coating/Finish
    Painted
    Collector Tube Size (in.)
    3
    Application
    Automotive
    Tube Diameter
    1.875
    Port Shape
    Same As Port/Can Be Matched
    Tube Direction
    Down Swept
    Header Style
    Shorty
    Finish
    Black Paint
    Tube Size
    1.875
    Manufacturer's Part Number:
    11143

    FlowTech's Shorty Truck Headers are the perfect starting point to customize your 2WD or or 4WD vehicle! Simply remove the restrictive factory exhaust manifolds and bolt these headers in their place. They will bolt directly to your factory or OE-style exhaust, giving you more power and better fuel economy. Mandrel-bent 16-gauge steel tubes along with extra thick 3/8" exhaust flanges provide a reliable header with a leak-free seal! These headers connect to all factory emissions equipment and include necessary hardware and gaskets.


    Features
  • 3/8" exhaust flanges
  • Mandrel-bent 16-gauge tubing (.049" thick)
  • Direct replacement for OE exhaust manifolds
  • Complete with premium gaskets and hardware
  • Accommodates all factory emissions-control devices

  • Does Flowtech 11143 fit your vehicle?

    Narrow Results

    2007 GMC SIERRA 3500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2011-2013 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: DENALI
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 2500 HD CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 3500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 2500 HD CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC SL
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 2500 HD CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 1500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006 CHEVROLET SILVERADO 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2005 CHEVROLET SILVERADO 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 3500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2013 CHEVROLET SILVERADO 3500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2006 GMC SIERRA 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2005 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 2500 HD CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003 CHEVROLET SILVERADO 1500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 1500 HD CLASSIC

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: ALL

    2007-2013 CHEVROLET SILVERADO 3500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LTZ
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2009 CHEVROLET SILVERADO 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LTZ
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006 GMC SIERRA 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SL
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 1500 HD CLASSIC

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: ALL

    2007 GMC SIERRA 1500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 1500 CLASSIC

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: CLASSIC SS

    2004-2006 CHEVROLET SILVERADO 1500

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: SS

    2007-2013 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2006 CHEVROLET SILVERADO 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2005-2006 GMC SIERRA 1500 HD

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: ALL

    2005-2009 GMC SIERRA 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2005 GMC SIERRA 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2013 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2006 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006-2013 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 3500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC SL
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2008-2013 CHEVROLET TAHOE

    • EngineType: ALL
    • SubModel: HYBRID

    2007 CHEVROLET SILVERADO 3500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 2500 HD CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2004 CHEVROLET SILVERADO 2500

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: LS

    2003-2006 GMC YUKON XL 2500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2013 GMC SIERRA 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2011-2013 GMC SIERRA 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: DENALI
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2013 GMC SIERRA 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2006 GMC YUKON XL 2500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2004 GMC SIERRA 2500

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: ALL

    2003 CHEVROLET SILVERADO 1500 HD

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: LS

    2003-2006 CHEVROLET SILVERADO 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2004-2005 CHEVROLET SILVERADO 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2004 CHEVROLET SILVERADO 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2004 CHEVROLET SILVERADO 2500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2005 CHEVROLET SILVERADO 1500 HD

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: LT

    2003 GMC SIERRA 1500 HD

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: ALL

    2003 CHEVROLET SILVERADO 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2009 GMC YUKON XL 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 1500

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: CLASSIC DENALI

    2007 GMC SIERRA 2500 HD CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2004-2006 GMC SIERRA 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2013 GMC SIERRA 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2005 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 1500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2009 GMC YUKON XL 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2005 GMC SIERRA 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2013 GMC YUKON XL 2500

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: ALL

    2006 CHEVROLET SILVERADO 1500 HD

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: ALL

    2003-2006 GMC YUKON XL 1500

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: DENALI

    2003-2013 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2013 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LTZ
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2013 GMC SIERRA 3500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2005-2009 GMC SIERRA 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2006 GMC SIERRA 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2004 CHEVROLET SILVERADO 2500

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: WT

    2007-2013 CHEVROLET SILVERADO 3500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006 GMC SIERRA 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: SL
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2004 CHEVROLET SILVERADO 2500

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: LT

    2003-2006 GMC SIERRA 1500

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: DENALI

    2006-2009 CHEVROLET SILVERADO 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003-2005 CHEVROLET SILVERADO 3500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2004 CHEVROLET SILVERADO 1500

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 2500 HD CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2005 CHEVROLET SILVERADO 1500 HD

    • Fitment_Note: Not For Sale In California
    • EngineType: ALL
    • SubModel: LS

    2005 CHEVROLET SILVERADO 1500 HD

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 3500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 3500 CLASSIC

    • CC: 5967
    • Fitment_Note: Not For Sale In California
    • Liter: 6.0
    • SubModel: CLASSIC SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )
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