Flowtech® (03-13) GM SUV/Truck 1-3/4" 304SS Shorty Headers

  • Sale
  • Regular price $353.95

Compatible: (6.0L)

2003 - 2013 Chevy Silverado 

2003 - 2013 Chevy Tahoe

2003 - 2013 GMC Sierra 

2003 - 2013 GMC Yukon/XL


This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

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 03-13 Chevy Silverado/Tahoe/Yukon V-8 6.0L, 2WD/4WD.


  • 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, 1-3/4” 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

Brand Flowtech
Collector Diameter 2.50 inch
Emission Code 4
Header Finish Black Paint
Header Style Shorty
Primary Tube Dia. 1-3/4 inch
Product Type Headers
Tube Material 304 Stainless Steel
Part Number 11142FLT

Install Guide: