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Flowtech

Flowtech Upright Headers

GM 2.8/3.1/3.4L V6, D-Port Upright headers 1-5/8" primary, 20" Long, 27" tall, 2-1/2" x 10" collector - 409SS Natural Finish

Part # 11588FLT
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$182.95
Suggested Retail
$204.00
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These Flowtech upright derby style headers fit the 2.8L, 3.1L and 3.4L GM V6 engines with both round port or D-port style exhaust ports. 1-1/2 in. and 1-5/8 in. mandrel bent primary tubes provide consistent tubing diameters for smooth flow of the exhaust pulses and increase the cylinder scavenging of the exhaust to improve engine breathing. The headers are constructed from heavy duty 16-gauge 409 stainless steel tubing for increased strength and durability. These headers use a 10 in. long, 2.5 in. collector with 20 in. long primary tubes. The 3/8 in. thick header flange provides a leak-free seal and maximizes strength.

Features:

  • Mandrel bent tubes provide consistent tubing diameters for better exhaust pulse flow and improved performance
  • 1-1/2 in. and 1-5/8 in. primary diameters available for increased exhaust flow and improved throttle response
  • Heavy duty 16-gauge 409 Stainless Steel used for strength and durability
  • 10 in. long, 2.5 in. collector improves exhaust flow
  • 3/8 in. thick header flange for a leak-free seal and maximum strength
  • Available for both round and D-port exhaust ports
  • Header gaskets included

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.

Bolt SizeNA
Brand Flowtech
CARB (California) CompliantNo
Collector Diameter2.50 inch
Collector Length10 inch
Emission Code4
EngineChevrolet V6
Flange Thickness3/8 Inch
Header FinishNatural
Header StyleUpright
Inlet Port ShapeD-port
Installed Height27 inch
Primary Tube Dia.1-5/8 inch
Primary Tube Length20 inch
Product TypeHeaders
Tube Material409 Stainless Steel
UPC090127072974
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number11588FLT
4

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

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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