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Flowtech Upright Headers

Small Block Chevy 1-3/4" 409 Stainless Steel Upright Headers- Natural Finish

PART# 11546FLT

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Overview

Flowtech Headers are the perfect combination of quality and value. These Small Block Chevy Upright headers available in 1-5/8" and 1-3/4" tube diameters are ideal for even big cubic inch Small Block Chevy engines. They feature a merged collector coupled with a collector spear that is welded inside the collector. These components help to improve the flow and performance of the header.

Features:

  • CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
  • Heavy duty 16-gauge 409SS tubing for increased strength and durability
  • 1-5/8” and 1-3/4” tubing diameters available for increased exhaust flow increasing performance and improved throttle response
  • 3” collector for maximum strength and exhaust flow
  • Extra thick header flange for a leak-free seal and maximum strength
  • Welded-in collector merge spears to control exhaust gas re-entry into primary tubes

Specs

ApplicationSmall Block Chevy
BrandFlowtech
Collector Diameter3.00 inch
Collector Length12.0"
Emission Code4
EngineChevrolet Small Block
Header FinishNatural
Header StyleUpright
Installed Height37.0"
Primary Tube Dia.1-3/4 inch
Product TypeHeaders
Tube Material409 Stainless Steel
Part Number11546FLT

Emissions

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

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