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Flowtech Long Tube Headers + Off-Road X & Mid-Pipes

1997-2004 C5 Chevrolet Corvette: 5.7L Tube Size 1-7/8", Collector Size 3", w/ Oxygen Sensor Fittings

PART# 11140FLT

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Flowtech is pleased to offer their Polished Stainless Steel Long Tube Headers + Off-Road X & Mid-Pipes for 1997-2004 C5 Corvette equipped with 5.7 liter engine. These high quality headers are TIG welded and feature polished 304 stainless steel primary tubes and collectors.


  • Fits 97-04 C5 Chevrolet Corvette with 5.7L engine
  • 1-7/8" primary tubes with 3" collectors for performance gains on stock and modified engines
  • 3/8” steel flanges for durability
  • Tube geometry designed for maximum ground clearance
  • Polished 304 stainless steel primary tubes and collectors with quality TIG welds for strength, longevity, and great looks
  • Includes Off-Road X and Mid-Pipes to connect to factory axle-back exhaust


Application1997-2004 Chevrolet Corvette
Collector Diameter3.00 inch
Emission Code4
EngineGM LS
Header FinishPolished
Header StyleLong Tube
Primary Tube Dia.1-7/8 inch
Product TypeHeaders
Tube Material304 Stainless Steel
Part Number11140FLT

Service Parts



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

Tech Resources

For OFF-ROAD USE ONLY. Customer is responsible for ensuring the factory ECU is adjusted to function properly with these products installed.


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