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Flowtech Long Tube LS Swap Headers - Natural

1979-2004 Mustang LS Swap; Primary Tube Diameter 1-7/8", Collector Diameter 3"

PART# 12157FLT

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Overview

Flowtech Exhaust products are the perfect combination of quality and value. We are proud to offer these 1-7/8" Long Tube Headers for 79-04 Ford Mustangs with LS engines. They are available in natural or polished 304 stainless steel.

Features:

  • For GM LS engine swaps into 79-04 Ford Mustangs
  • 1-7/8” mandrel bent primary tubes and 3” collectors with merge spears for increased exhaust velocity
  • 3/8” thick header flanges for strength and maximum sealing surface
  • Available in natural or polished 304 stainless steel
  • Gaskets included

Specs

BrandFlowtech
Collector Diameter3.00 inch
Emission Code4
EngineGM LS
FinishNatural
Flange Thickness.375"
Header FinishNatural
Header StyleLong Tube
K-Member CompatibilityAJE
Material304 Stainless Steel
Primary Tube Dia.1-7/8 inch
Product TypeHeaders
Tube Material304 Stainless Steel
Type of ComponentHeaders
Part Number12157FLT

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

Tech Resources

• These headers are for GM LS V8 engine conversion into a 79-04 Mustang engine bay only.

•These headers are not designed to work with a Ford engine

•Headers have been tested using an AJE K-Member and AJE Motor Mount along with a Flaming River Steering Shaft. Any other combination of engine mounts , steering shaft, and k-member, either stock or aftermarket have not been confirmed for fitment at this time.

Applications

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