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Flowtech Long Tube LS Swap Headers - Natural 409 Stainless Steel

1982-1993 S-10 LS Swap; Primary Tube Diameter 1-3/4", Collector Diameter 3"

Part # 11557FLT Be the first to write a review
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Flowtech Exhaust products are the perfect combination of quality and value. We are proud to offer these 1-3/4" Long Tube Headers for 1982-1993 S-10 2WD vehicles with LS engines. They are available in painted or ceramic coated mild steel, natural 304 or 409 stainless steel, and polished 304 stainless steel.


  • For GM LS engine swaps into 82-93 S-10 2WD vehicles
  • 1-3/4” mandrel bent primary tubes and long transition 3” collectors for increased exhaust velocity
  • 3/8” thick header flanges for strength and maximum sealing surface
  • Available in painted or ceramic coated mild steel, natural 304 or 409 stainless steel, and polished 304 stainless steel
  • Gaskets and hardware 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 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 FinishNatural
Header StyleLong Tube
Primary Tube Dia.1-3/4 inch
Product TypeHeaders
Tube Material409 Stainless Steel
Part Number11557FLT

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

Requires use of Dirty Dingo DD-LS-S2 engine mounts and Holley 302-1 Oil Pan. Trimming of the inner fender may also be required.

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