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Flowtech 31170FLT Long Tube Header, Ceramic Coated
Flowtech 31170FLT Long Tube Header, Ceramic Coated

Flowtech 31170FLT Long Tube Header, Ceramic Coated

326 Pontiac V8, 350 Pontiac V8, 389 Pontiac V8, 400 Pontiac V8, 428 Pontiac V8, 455 Pontiac V8

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Flowtech 31170FLT Long Tube Header, Ceramic Coated
Flowtech 31170FLT Long Tube Header, Ceramic Coated
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We estimate this item will ship on or before September 28th.
Part # 42531170FLT
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Flowtech Exhaust to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


Header Tube Type:
Long Tube
Ceramic Coated
Flange Style:
Round Port
Primary Tube Diameter:
Material Type:
Mild Steel
MFG. Part #:
Collector Diameter:
3 Inch
Hardware Included:
Gasket(s) Included:
Sold in Quantity:
Emission Code:
GTIN Code:


Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" 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.

  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Ceramic Headers
  • Rust And Corrosion Resistance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware

Installation Instructions (PDF)


1964 Pontiac GTO
1964 Pontiac LeMans
1965 Pontiac GTO
1965 Pontiac LeMans
1966 Pontiac GTO
1966 Pontiac LeMans
1967 Pontiac LeMans
1968 Pontiac GTO
1968 Pontiac LeMans
1969 Pontiac GTO
1969 Pontiac LeMans
1970 Pontiac Firebird
1970 Pontiac GTO
1970 Pontiac LeMans
1971 Pontiac Firebird
1971 Pontiac GTO
1971 Pontiac LeMans
1972 Pontiac Firebird
1972 Pontiac GTO
1972 Pontiac LeMans
1973 Pontiac Firebird
1973 Pontiac Grand Am
1973 Pontiac GTO
1973 Pontiac LeMans
1974 Pontiac Firebird
1974 Pontiac Grand Am
1974 Pontiac LeMans
1975 Pontiac Firebird
1975 Pontiac Grand Am
1975 Pontiac LeMans
1976 Pontiac Firebird
1977 Pontiac Firebird
1978 Pontiac Firebird
1979 Pontiac Firebird
Some parts are not legal for use in California or other states with similar laws/regulations

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  • Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
  • Wouldn't it be nice to get the best of both worlds out of your headers? Speedway Motors has solved that problem with our exclusive heat resistant Armor Hot Coating. Now you can keep that great look with longer life.
  • Pat shows that exhaust can make a difference on even your daily driver. Check out this video of Pat with the Hooker Muffler installed on his '03 Suburban.
  • Our Tru-Ram Exhaust Manifolds are one of our most popular items. Tim provides more details about them and gives you a great look at them.

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