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Flowtech Exhaust

Flowtech Shorty Headers - Natural Finish

Part # 11575FLT Be the first to write a review

Universal GM LS V8 1-5/8" x 2-1/2" 304SS Shorty Engine Swap Headers, Natural

Flowtech Shorty Headers - Natural Finish

In Stock
Free Shipping - Lower 48 US States
$299.95
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Flowtech Exhaust products are the perfect combination of quality and value. We are proud to offer these Universal LS Swap Headers with 1-5/8" primaries and 2-1/2" collectors. These headers are made of 304 stainless steel and are available in both natural and polished finishes.

Features:

  • Universal rear exit shorty headers for GM LS1, LS2, LS3, LS6, LSX engines
  • 1-5/8” mandrel bent primary tubes and 2-1/2” collectors
  • 3/8” thick header flanges for a leak-free seal
  • Premium gaskets and collector hardware included
  • 2-1/2” reducers with oxygen sensor bungs included
  • Available in natural 304 stainless steel and polished 304 stainless steel

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
ApplicationGM LS Engines
Bolt SizeM8 x 1.25 x 25 MM
Bolts IncludedYes
Brand Flowtech Exhaust
California Proposition 65Yes
CARB (California) CompliantNo
Catalytic Converter Quantity0
CategoryExhaust
Collector Attachment3-Bolt Flange
Collector Diameter2.50 IN
Collector Port Diameter2.50 IN
Collector Reducer IncludedYes
Collector Reducer Outlet Diameter2.50 IN
ColorSilver
DesignLS Swap
Drive2WD
4WD
EGT PortNo
Emission Code4
EngineGM Gen III/IV (LS)
FinishNatural
Flange Thickness0.375 IN
3/8 IN
Gasket Or Seal IncludedYes
Grade TypePerformance
Header SeriesFlowtech
Header StyleShorty
Material304 Stainless Steel
Mounting Hardware IncludedYes
Oxygen Sensor PortYes
Part TypeExhaust Header
Port ShapeRound
Primary Tubing Diameter1 5/8 IN
1.625 IN
Product TypeHeaders
QuantitySold as a Pair
Sheen LevelSemi-Gloss
Sub CategoryExhaust Manifolds
Tube Wall Thickness16 GU
UPC090127040201
Part Number11575FLT
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

Header Bolts are Not Included and Sold Separately. Recommend using Mr. Gasket Header Bolts # 2235G.
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Flowtech Exhaust
Flowtech Shorty Headers - Natural Finish
Universal GM LS V8 1-5/8" x 2-1/2" 304SS Shorty Engine Swap Headers, Natural
Part# 11575FLT
$299.95
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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 Shorty Headers - Natural Finish
    Flowtech Shorty Headers - Natural Finish
    $299.95