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Flowtech Upright Headers

Big Block Chevy 2-1/4" Upright Headers with 4" Collector- Natural Finish

PART# 11551FLT

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Overview

Flowtech Headers are the perfect combination of quality and value. These Big Block Chevy Upright headers available in 2-1/4" tube diameters are ideal for even big cubic inch Big Block Chevy engines

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
  • 2-1/4” tubing diameter for increased exhaust flow increasing performance and improved throttle response
  • Extended 4” collector for maximum strength and exhaust flow
  • Extra thick 7/16” header flange for a leak-free seal and maximum strength
  • Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
  • Center of exhaust port to end of collector length is 33-1/2"

Specs

ApplicationBig Block Chevy
BrandFlowtech
Collector Diameter4.00 inch
Emission Code4
EngineBig Block Chevy
FinishNatural
Header FinishNatural
Header StyleUpright
Primary Tube Dia.2-1/4 inch
Product TypeHeaders
Tube Material409 Stainless Steel
Part Number11551FLT

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

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