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Flowtech Long Tube Header + Y-Pipe

2007-2013 GM Silverado/Sierra 1500 V8-4.8/5.3/6.0L 1-7/8" Long Tube Header plus Y-Pipe, Mild Steel- Black Paint

PART# 11534FLT

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$583.00   Suggested Retail
$523.95   Your Price
Estimated shipping date: 12/18/2020
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Flowtech Headers are the perfect combination of quality and value. This long tube header fits the popular GM Silverado/Sierra 1500 V8-4.8/5.3/6.0L 1-7/8" Long Tube Header plus Y-pipe, Mild Steel- Black Paint


  • Fits 2007-2013 Chevy/GMC 1500 V-8-4.8/5.3/6.0L
  • 1-7/8" primary tubes with 3" collectors for performance gains on stock engines
  • 3/8" steel flanges for durability
  • Long transition collectors with merge spears for maximum flow and increased exhaust velocity
  • Tube geometry designed for maximum ground clearance and ease of installation
  • 3" Y-pipe included
  • Comes with hardware & gaskets
  • Available in two finishes: black paint or ceramic coated.


Collector Diameter3.00 inch
Emission Code4
EngineGM LS
Flange Size3/8 Inch
Header FinishBlack Paint
Header StyleLong Tube
Primary Tube Dia.1-7/8 inch
Product TypeHeaders
Part Number11534FLT



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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