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Flowtech Exhaust

Flowtech Long Tube Header - Ceramic Coated Finish -1-5/8 in. x 3.0 in.

Part # 31100FLT Be the first to write a review

1967-1974 Camaro/Firebird - 1965-1974 Chevy Full Size Car - 1964-1972 GM A-Body - 1968-1974 GM X-Body - 265-400 SBC Engines

Flowtech Long Tube Header - Ceramic Coated Finish -1-5/8 in. x 3.0 in.

In Stock
Free Shipping - Lower 48 US States
$499.95
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Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 3/8" flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps for increased performance.

Features:

  • Tuned-length primary tubes for better performance
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 16 gauge tubing
  • Mandrel-formed Power Plenum collector for low back pressure
  • Sturdy, leak-tested O-Ring port seals
  • Engineered for a precision fit
  • Designed for easy, trouble-free installation
  • Includes all mounting hardware and premium gaskets
  • Works with factory power steering and power brakes

About Flowtech Exhaust

Flowtech provides high-quality performance exhaust systems at a great value. Explore our lineup of headers, mufflers, and exhaust systems at our official retailer, Holley.com!​

Air Injection TubesNo
Bolt Size3/8-16 x 3/4 IN
Bolts IncludedYes
Brand Flowtech Exhaust
California Proposition 65Yes
CARB (California) CompliantNo
Catalytic Converter Quantity0
CategoryExhaust
Collector Attachment3-Bolt Flange
Collector Diameter3.00 IN
Collector Reducer IncludedYes
Collector Reducer Outlet Diameter2.50 IN
ColorSilver
DesignLong Tube
Drive2WD
EGT PortNo
Emission Code4
EngineChevrolet Small Block Gen I
FinishCeramic Coated
Flange Thickness0.3125 IN
0.375 IN
3/8 IN
5/16 IN
Gasket Or Seal IncludedYes
Grade TypePerformance
Header SeriesFlowtech
Header StyleLong Tube
MaterialMild Steel
Mounting Hardware IncludedYes
Oxygen Sensor PortNo
Part TypeExhaust Header
Port ShapeOval
Primary Tubing Diameter1 5/8 IN
1.625 IN
Product TypeHeaders
QuantitySold as a Pair
Sub CategoryExhaust Manifolds
Tube Wall Thickness18 GU
UPC787480311009
Part Number31100FLT
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

Instructions - 11100-3901fltrev.pdf
SBC Only -will NOT fit 67-69 Camaro air conditioning<br>-will NOT fit with angle plug heads or raised port heads<br>-factory motor mounts must be used for proper engine placement<br>-does NOT fit with manual transmission on Monte Carlo and late model passenger wag
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Flowtech Long Tube Header - Ceramic Coated Finish -1-5/8 in. x 3.0 in.
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Part# 31100FLT
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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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

    Flowtech Long Tube Header - Ceramic Coated Finish -1-5/8 in. x 3.0 in.
    Flowtech Long Tube Header - Ceramic Coated Finish -1-5/8 in. x 3.0 in.
    $499.95