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Flowmaster Scavenger Series Elite Header

Shorty header for 2002-2013 GM Truck/SUV, 4.8L/5.3L, (incl. 2007-2013 6.0L/6.2L), V8, 1-5/8" Primary, 16 Gauge Tubing, 3/8" Flange, Silver Ceramic Coating, 409S Stainless Steel; CARB EO D-698 compliant for 2002-2009 GM Truck/SUV 4.8L/5.3L (incl. 2007-2009 6.0L/6.2L)

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Flowmaster's Scavenger Series Elite shorty headers are designed to replace the restrictive factory manifolds. These high quality headers are manufactured from stainless steel and are ceramic coated for maximum durability. They feature 1-5/8 in. primary tubes, 3/8 in. thick laser cut flanges and factory collector connections, ensuring a direct-fit, leak free installation. Like all Flowmaster products, the benefits include improved throttle response, power and engine efficiency. Designed for an easy fit, these headers include gaskets and necessary hardware for easy installation. Note: this product has been granted a California Air Resources Board (CARB) exemption, an E.O. number, or is a direct or consolidated replacement part. It is 50-state legal, per the application guide for 2002-2009 4.8L/5.3L and 2007-2009 6.0L/6.2L applications. CARB EO# D-698.


  • On a 2004 Silverado 5.3L, power gains of 14 HP and 23 LB. FT. TQ
  • 3/8in. Thick Laser Cut Flanges
  • Dyno tuned for maximum performance
  • High Temperature Ceramic Coating
  • Stainless Steel Construction

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

Attachment MethodStock Flange
Automotive Item GradeHigh Performance Part
Bolt SizeM8 x 1.25 x 25mm
Bolts/Studs IncludedYes
Brand Flowmaster
CARB (California) CompliantYes
Collector IncludedYes
Color/FinishSilver Ceramic
Emission Code7
EngineGM Small Block Gen III/IV (LS Based)
Header FinishSilver Ceramic
Header Flange Thickness (in)3/8 inch
Header SeriesScavenger Series Elite
Header StyleShorty
Inlet Port ShapeRound
MaterialStainless Steel
Outlet Diameter (in)2.5
Primary Tube Dia.1-5/8 inch
Product TypeHeaders
Reducers IncludedNo
Tube Gauge16
Tube LengthsUnequal Length
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number814123

This part is legal under the provisions of EPA’s Tampering Policy dated November 23rd, 2020. The company has reasonable basis (test results) to verify that this product allows the vehicle to operate within legal emissions standards and is therefore legal to be sold for on-street use in all states that accept the legal provisions of the Clean Air Act and the EPA Tampering Policy. This product is NOT LEGAL FOR SALE OR USE IN THE STATE OF CALIFORNIA. Testing with the California Air Resources Board, in order to achieve 50-state compliance, is pending with CARB. Once testing is complete with California, and an E.O. number is issued, this product will be updated to 50-state legal status.

Fits 02-13 Silverado/Sierra 4.8L/5.3L, 02-13 Suburban/Yukon XL 5.3L, 07-13 Suburban/Yukon XL 6.0L, 02-13 Tahoe/Yukon/Denali 4.8L/5.3L, 07-13 Yukon/Denali 6.0L, 02-13 Avalanche 5.3L, 02-13 Escalade/ESV/EXV 4.8L/5.3L, 07-13 Escalade/ESV/EXV 6.0L/6.2L, 07-09 Hummer H2/H2 SUT 6.0L/6.2L

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