Flowmaster 814123 Header for 02-14 GM Trucks, LS Engines, Stainless Steel

SKU: 814123
Fits 02-09 Silverado/Sierra 4.8L/5.3L, 02-14 Suburban/Yukon XL 5.3L, 07-14 Suburban/Yukon XL 6.0L, 02-14 Tahoe/Yukon/Denali 4.8L/5.3L, 07-14 Yukon/Denali 6.0L, 02-14 Avalanche 5.3L, 02-14 Escalade/ESV/EXV 4.8L/5.3L, 07-14 Escalade/ESV/EXV 6.0L/6.2L, 07-14 Hummer H2/H2 SUT 6.0L/6.2L.
Price: $654.95
FREE 3-Day Shipping (Details)

Shipping is free via UPS Ground or 3-Day Select for orders of $25 or more (excludes transmissions). If the transit time using UPS Ground Shipping will exceed 3 days to your location, we will upgrade the shipping service to UPS 3-Day Select, at no cost to you.

Free shipping is available within the continental U.S. only. Shipping charges will apply to all other destinations.

Verify This Part Fits Your Vehicle

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.

  • Dyno tuned for maximum performance
  • 3/8in. Thick Laser Cut Flanges
  • Stainless Steel Construction
  • High Temperature Ceramic Coating
CARB (California) CompliantYesCollector IncludedYes
Color/FinishSilver CeramicHeader Flange Thickness (in)0.375
Header SeriesScavenger Series EliteReducers IncludedNo
SEMA Emissions Code1Tube Gauge16
Tube LengthsUnequal LengthHeader Style4-1 One-Piece
Inlet Port ShapeRoundMaterialStainless Steel
Outlet Diameter (in)2.5Primary Tube Diameter (in)1.625
Attachment MethodStock FlangeAutomotive Item GradeHigh Performance Part
Bolts/Studs IncludedYes
 California Proposition 65 Information

WARNING: This product can expose you to chemicals including nickel (metallic) and chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects, or other reproductive harm (For more information go to www.p65warnings.ca.gov)


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Search by Vehicle