Flowmaster 814123 Header 409S - 2.50" for 2002-2009 GM Truck/SUV

Flowmaster 814123 Header 409S - Block Hugger - 2.50 in. Stock Flange Outlet - Pair

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.

Features:

• Stainless steel construction
• High Temperature Ceramic Coated
• Dyno tuned for maximum performance
• 3/8" Thick Laser Cut Flanges
• CARB EO # D-698
• Premium Flowmaster quality

Product Specification:

• Automotive Item Grade: High Performance Part
• Bolts/studs included: Yes
• CARB (California) Compliant: Yes
• Finish: Silver Ceramic
• Header collector attachment method: Stock Flange
• Header collector included: Yes
• Header Collector Outlet Diameter (in): 2.50
• Header head flange thickness (inch): 0.375
• Header inlet port shape: Round
• Header Primary Tube Diameter (in): 1.625
• Header series: Scavenger Series Elite
• Header style: 4-1 One-Piece
• Header tube gauge: 16
• Header tube lengths: Unequal Length
• Material: Stainless Steel
• Motor mounts included: Not Required
• Reducers included: Not Required
• SEMA emissions code: 1
• Transmission mounts included: Not Required
• Y-Pipes included: No

Fitments:

• 2007-2008 Cadillac Escalade Base V8, 6.2L
• 2009 Cadillac Escalade Base V8, 6.2L
• 2002-2005 Cadillac Escalade Base V8, 5.3L
• 2009 Cadillac Escalade Hybrid V8, 6.0L
• 2008 Cadillac Escalade Platinum V8, 6.2L
• 2009 Cadillac Escalade Platinum V8, 6.2L
• 2007-2009 Chevrolet Avalanche LS V8, 5.3L
• 2007-2009 Chevrolet Avalanche LT V8, 5.3L
• 2007-2009 Chevrolet Avalanche LTZ V8, 5.3L
• 2002-2005 Chevrolet Silverado 1500 Base V8, 5.3L
• 2002-2005 Chevrolet Silverado 1500 Base V8, 4.8L
• 2007 Chevrolet Silverado 1500 Classic LS V8, 4.8L
• 2007 Chevrolet Silverado 1500 Classic LS V8, 5.3L
• 2007 Chevrolet Silverado 1500 Classic LS V8, 5.3L
• 2007 Chevrolet Silverado 1500 Classic LT V8, 6.0L
• 2007 Chevrolet Silverado 1500 Classic LT V8, 4.8L
• 2007 Chevrolet Silverado 1500 Classic LT V8, 5.3L
• 2007 Chevrolet Silverado 1500 Classic LT V8, 5.3L
• 2007 Chevrolet Silverado 1500 Classic SS V8, 6.0L
• 2007 Chevrolet Silverado 1500 Classic WT V8, 4.8L
• 2007 Chevrolet Silverado 1500 Classic WT V8, 5.3L
• 2007 Chevrolet Silverado 1500 Classic WT V8, 5.3L
• 2002-2005 Chevrolet Silverado 1500 LS V8, 5.3L
• 2006 Chevrolet Silverado 1500 LS V8, 5.3L
• 2002-2013 Chevrolet Silverado 1500 LS V8, 4.8L
• 2006-2013 Chevrolet Silverado 1500 LS V8, 5.3L
• 2002-2005 Chevrolet Silverado 1500 LT V8, 5.3L
• 2006-2009 Chevrolet Silverado 1500 LT V8, 5.3L
• 2002-2013 Chevrolet Silverado 1500 LT V8, 4.8L
• 2006-2013 Chevrolet Silverado 1500 LT V8, 5.3L
• 2007-2009 Chevrolet Silverado 1500 LT V8, 6.0L
• 2009 Chevrolet Silverado 1500 LTZ V8, 6.2L
• 2007-2009 Chevrolet Silverado 1500 LTZ V8, 5.3L
• 2007-2013 Chevrolet Silverado 1500 LTZ V8, 5.3L
• 2007-2009 Chevrolet Silverado 1500 LTZ V8, 6.0L
• 2006-2013 Chevrolet Silverado 1500 WT V8, 5.3L
• 2002-2004 Chevrolet Silverado 1500 WT V8, 5.3L
• 2002-2013 Chevrolet Silverado 1500 WT V8, 4.8L
• 2006-2009 Chevrolet Silverado 1500 WT V8, 5.3L
• 2010-2013 Chevrolet Silverado 1500 XFE V8, 5.3L
• 2004 Chevrolet Silverado 1500 Z71 V8, 5.3L
• 2004 Chevrolet Silverado 1500 Z71 V8, 4.8L
• 2006 Chevrolet Suburban 1500 Base V8, 5.3L
• 2006-2009 Chevrolet Suburban 1500 LS V8, 5.3L
• 2002-2005 Chevrolet Suburban 1500 LS V8, 5.3L
• 2006-2009 Chevrolet Suburban 1500 LT V8, 5.3L
• 2002-2005 Chevrolet Suburban 1500 LT V8, 5.3L
• 2007-2009 Chevrolet Suburban 1500 LT V8, 6.0L
• 2007-2009 Chevrolet Suburban 1500 LTZ V8, 5.3L
• 2007-2009 Chevrolet Suburban 1500 LTZ V8, 6.0L
• 2006-2007 Chevrolet Suburban 1500 Z71 V8, 5.3L
• 2004-2005 Chevrolet Suburban 1500 Z71 V8, 5.3L
• 2006 Chevrolet Tahoe Base V8, 4.8L
• 2006 Chevrolet Tahoe Base V8, 5.3L
• 2006 Chevrolet Tahoe Base V8, 5.3L
• 2006 Chevrolet Tahoe LS V8, 5.3L
• 2006-2009 Chevrolet Tahoe LS V8, 5.3L
• 2002-2005 Chevrolet Tahoe LS V8, 5.3L
• 2002-2009 Chevrolet Tahoe LS V8, 4.8L
• 2002-2004 Chevrolet Tahoe LT V8, 4.8L
• 2006 Chevrolet Tahoe LT V8, 5.3L
• 2006-2009 Chevrolet Tahoe LT V8, 5.3L
• 2002-2005 Chevrolet Tahoe LT V8, 5.3L
• 2007-2009 Chevrolet Tahoe LTZ V8, 5.3L
• 2006 Chevrolet Tahoe Z71 V8, 5.3L
• 2006 Chevrolet Tahoe Z71 V8, 5.3L
• 2003-2005 Chevrolet Tahoe Z71 V8, 5.3L
• 2003-2004 Chevrolet Tahoe Z71 V8, 4.8L
• 2002-2005 GMC Sierra 1500 Base V8, 5.3L
• 2002-2005 GMC Sierra 1500 Base V8, 4.8L
• 2007 GMC Sierra 1500 Classic SL V8, 4.8L
• 2007 GMC Sierra 1500 Classic SL V8, 5.3L
• 2007 GMC Sierra 1500 Classic SL V8, 5.3L
• 2007 GMC Sierra 1500 Classic SLE V8, 6.0L
• 2007 GMC Sierra 1500 Classic SLE V8, 4.8L
• 2007 GMC Sierra 1500 Classic SLE V8, 5.3L
• 2007 GMC Sierra 1500 Classic SLE V8, 5.3L
• 2007 GMC Sierra 1500 Classic SLT V8, 6.0L
• 2007 GMC Sierra 1500 Classic SLT V8, 5.3L
• 2007 GMC Sierra 1500 Classic WT V8, 4.8L
• 2007 GMC Sierra 1500 Classic WT V8, 5.3L
• 2007 GMC Sierra 1500 Classic WT V8, 5.3L
• 2002 GMC Sierra 1500 HT V8, 5.3L
• 2002 GMC Sierra 1500 HT V8, 4.8L
• 2006 GMC Sierra 1500 SL V8, 5.3L
• 2006-2013 GMC Sierra 1500 SL V8, 5.3L
• 2002-2003 GMC Sierra 1500 SL V8, 5.3L
• 2002-2013 GMC Sierra 1500 SL V8, 4.8L
• 2002-2013 GMC Sierra 1500 SLE V8, 4.8L
• 2007-2009 GMC Sierra 1500 SLE V8, 6.0L
• 2006-2009 GMC Sierra 1500 SLE V8, 5.3L
• 2006-2013 GMC Sierra 1500 SLE V8, 5.3L
• 2002-2005 GMC Sierra 1500 SLE V8, 5.3L
• 2002-2005 GMC Sierra 1500 SLT V8, 5.3L
• 2007-2013 GMC Sierra 1500 SLT V8, 5.3L
• 2002-2004 GMC Sierra 1500 SLT V8, 4.8L
• 2007-2009 GMC Sierra 1500 SLT V8, 6.0L
• 2009 GMC Sierra 1500 SLT V8, 6.2L
• 2006-2009 GMC Sierra 1500 SLT V8, 5.3L
• 2006-2013 GMC Sierra 1500 WT V8, 5.3L
• 2002-2005 GMC Sierra 1500 WT V8, 5.3L
• 2002-2013 GMC Sierra 1500 WT V8, 4.8L
• 2006-2009 GMC Sierra 1500 WT V8, 5.3L
• 2010-2013 GMC Sierra 1500 XFE V8, 5.3L
• 2002-2004 GMC Sierra 2500 Base V8, 6.0L
• 2002 GMC Sierra 2500 SL V8, 6.0L
• 2002-2004 GMC Sierra 2500 SLE V8, 6.0L
• 2002-2004 GMC Sierra 2500 SLT V8, 6.0L
• 2003-2004 GMC Sierra 2500 WT V8, 6.0L
• 2007-2008 GMC Yukon Denali V8, 6.2L
• 2009 GMC Yukon Denali V8, 6.2L
• 2006 GMC Yukon SL V8, 4.8L
• 2006 GMC Yukon SL V8, 5.3L
• 2006 GMC Yukon SL V8, 5.3L
• 2002-2009 GMC Yukon SLE V8, 4.8L
• 2006 GMC Yukon SLE V8, 5.3L
• 2005-2009 GMC Yukon SLE V8, 5.3L
• 2002-2005 GMC Yukon SLE V8, 5.3L
• 2002-2005 GMC Yukon SLT V8, 5.3L
• 2002-2005 GMC Yukon SLT V8, 4.8L
• 2006 GMC Yukon SLT V8, 5.3L
• 2005-2009 GMC Yukon SLT V8, 5.3L
• 2006 GMC Yukon XL 1500 SL V8, 5.3L
• 2007-2009 GMC Yukon XL 1500 SLE V8, 6.0L
• 2002-2005 GMC Yukon XL 1500 SLE V8, 5.3L
• 2006-2009 GMC Yukon XL 1500 SLE V8, 5.3L
• 2007-2009 GMC Yukon XL 1500 SLT V8, 6.0L
• 2002-2005 GMC Yukon XL 1500 SLT V8, 5.3L
• 2006-2009 GMC Yukon XL 1500 SLT V8, 5.3L
• 2007-2009 GMC Yukon XL 2500 SLE V8, 6.0L
• 2007-2009 GMC Yukon XL 2500 SLT V8, 6.0L
• 2009 Hummer H2 Base V8, 6.2L
• 2008 Hummer H2 Base V8, 6.2L
• 2007 Hummer H2 Base V8, 6.0L

Note: 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
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.