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Flowtech Long Tube Headers - Polished Stainless Steel

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

Part # 11139FLT Be the first to write a review
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Flowtech is pleased to offer their Polished Stainless Steel Long Tube Headers 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 improved exhaust flow
  • 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

About Flowtech

Performance and value intersect at Flowtech. From full-length stainless steel headers for your 1969 Camaro to turbo-back exhaust systems for your late model diesel truck, Flowtech delivers the sound and power you're looking for while being easy on your wallet.

Application1997-2004 Chevrolet Corvette
Bolt SizeM8 x 1.25 x 25mm
Brand Flowtech
CARB (California) CompliantNo
Collector Diameter3.00 inch
Emission Code4
EngineGM Small Block Gen III/IV (LS Based)
Header FinishPolished
Header StyleLong Tube
Primary Tube Dia.1-7/8 inch
Product TypeHeaders
Tube Material304 Stainless Steel
Part Number11139FLT

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

For OFF-ROAD USE ONLY. Customer is responsible for ensuring the factory ECU is adjusted to function properly with these products installed. Mid-pipe from 11140FLT kit is not sold separately.

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    Some parts are not legal for use in California or other states with similar regulations.