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Flowtech Shorty LT Headers - Natural Finish

2014-15 Chevy/GMC Silverado/Tahoe/Yukon 1-5/8" Shorty Header for 5.3/6.2L LT Engines (2WD/4WD)

PART# 11547FLT

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Flowtech Headers are the perfect combination of quality and value. These shorty style headers fit the popular 2014-2015 Chevy/GMC Silverado/Tahoe/Yukon 5.3L & 6.2L V-8, 2WD/4WD models.


  • Mandrel-bent 409 Stainless Steel tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
  • Heavy duty 16-gauge tubing for increased strength and durability
  • Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
  • OE style 2-1/2” ball and socket 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
  • Available finishes include Natural, Polished, High Temp Black paint, and Ceramic Coated finishes
  • Popular shorty header for LT-Swaps


Collector Diameter2.50 inch
Emission Code4
EngineGM LS
Flange Size3/8 Inch
Header FinishNatural
Header StyleShorty
Primary Tube Dia.1-5/8 inch
Product TypeHeaders
Tube Material409 Stainless Steel
Part Number11547FLT



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

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