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  See more parts for Cadillac Escalade
Select the year of your Cadillac Escalade:
Flowmaster Header 409S - Block Hugger - 2.50 in. Stock Flange Outlet - Pair - 814123
Flowmaster Header 409S - Block Hugger - 2.50 in. Stock Flange Outlet - Pair - 814123 - Image 2

This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

If you're looking to upgrade your ride, Flowmaster's Scavenger Series Elite shorty headers are just what you need! These headers are designed to replace those restrictive factory manifolds, giving your vehicle the boost it deserves. Crafted from high-quality stainless steel and finished with a ceramic coating, they’re built to last and withstand the test of time.

With 1-5/8 inch primary tubes, 3/8 inch thick laser-cut flanges, and factory collector connections, installation is a breeze—ensuring a direct fit that’s leak-free. Like all Flowmaster products, you can expect some fantastic benefits, including better throttle response, increased power, and improved engine efficiency. Plus, everything you need for an easy installation is included, from gaskets to the necessary hardware.

Oh, and here’s a bonus: this product has received a California Air Resources Board (CARB) exemption, which means it’s 50-state legal according to the application guide.


Features:
  • 3/8 inch Thick Laser Cut Flanges
  • Dyno tuned for maximum performance
  • High Temperature Ceramic Coating
  • Stainless Steel Construction
Specifications:
  • Attachment Method: Stock Flange
  • Automotive Item Grade: High Performance Part
  • Bolts/Studs Included: Yes
  • California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
  • California Proposition 65 Chemical Name: Nickel (Metallic)
  • California Proposition 65 Required: Yes
  • CARB (California) Compliant: Yes
  • Collector Included: Yes
  • Color/Finish: Silver Ceramic
  • Emission Code: 1
  • Header Flange Thickness (in): 0.375
  • Header Series: Scavenger Series Elite
  • Header Style: 4-1 One-Piece
  • Inlet Port Shape: Round
  • Material: Stainless Steel
  • Outlet Diameter (in): 2.5
  • Primary Tube Diameter (in): 1.625
  • Product Type: Exhaust Headers
  • Reducers Included: No
  • Tube Gauge: 16
  • Tube Lengths: Unequal Length
  • Warning: California Proposition 65
Notes:
  • Fits 02-14 Silverado/Sierra 4.8L/5.3L, 02-09 Suburban/Yukon XL 5.3L, 07-09 Suburban/Yukon XL 6.0L, 02-09 Tahoe/Yukon/Denali 4.8L/5.3L, 07-09 Yukon/Denali 6.0L, 02-09 Avalanche 5.3L, 02-09 Escalade/ESV/EXV 4.8L/5.3L, 07-09 Escalade/ESV/EXV 6.0L/6.2L, 07-09 Hummer H2/H2 SUT 6.0L/6.2L

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2002-2005, 2007-2013
 Cadillac Escalade
2007-2013
 Chevrolet Avalanche
2002-2014
 Chevrolet Silverado 1500
2002-2013
 Chevrolet Suburban
2002-2013
 Chevrolet Tahoe
2002-2013
 GMC Sierra
2002-2013
 GMC Yukon
2002-2013
 GMC Yukon XL
2007-2009
 Hummer H2

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Who is Flowmaster?

Flowmaster is an aftermarket company that was founded in 1983. The company specializes in manufacturing high-performance exhaust systems for various vehicles. This includes classic muscle cars, modern sedans, trucks, jeeps, off-road vehicles, and more. 

It has since revolutionized the industry and has continued its tradition to produce high-quality exhaust parts. Today, Flowmaster has been the go-to brand of many car builders and enthusiasts worldwide and has been the market leader for years.

Pushing the Boundaries of Exhaust Design

Flowmaster has been the pioneer when it comes to developing mufflers. They produce mufflers that are quiet enough to be used legally on the streets but, at the same time, does not restrict the performance of the engine. This is why more and more people are choosing Flowmaster for their car builds as they can enjoy their vehicles on and off the streets.

An Exhaust For Any Style

The company provides its customers with the ability to choose the type of muffler they want. They offer five sound categories of their exhaust system, from quiet and discrete to something more aggressive and gives that racy sound. They can also choose between 12 designs of chambered mufflers, including their exclusively-designed “laminar-flow” muffler or “straight-through.”They also have a custom-built exhaust system for that one-of car builds.

Passionate Development Team

Flowmaster is composed of people who have years of experience in developing quality exhaust systems. Using the knowledge they acquired over the years, they improved their designs and matched it with the ever-growing technological advancement of vehicles today. 

Tried and Tested

With hundreds of installs under its belt, Flowmaster has proven itself to be a brand that delivers what it promised. In addition, all their exhaust systems are designed and dyno-tested, ensuring that they can maximize your vehicle’s performance once installed. 

Purchase Flowmaster at Vivid Racing

If you are in the market for an upgrade in your vehicle’s exhaust that would provide you with that distinct sound and improved performance, then Flowmaster is the brand for you. To know more about Flowmaster, visit Vivid Racing and check out their list of products that fit your requirement.




LIMITED WARRANTY:

This catalytic converter is warranted to be free from defects in materials andworkmanship subject to the exclusion and conditions set forth below and subject to the durational limits in this paragraph. This catalytic converter has been designed and manufactured and is warranted to meet federal Environmental Protection Agency emission requirements for 25,000 miles. The stainless steel body and the nipples alone are warranted for 5 years or 50,000 miles, whichever comesfirst. At the conclusion of the 5 year/50,000 mile or 25,000 mile period, whichever is applicable, all liability under this limited warranty shall terminate.

For full warranty information Click Here

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