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Flowtech LS Turbo Headers-Polished

Part # 11539FLT
1 Review

LS Turbo Headers (Up and forward) 1-3/4" 304SS GM 4.8/5.3/6.0L V8 Polished Finish

Flowtech LS Turbo Headers-Polished

In Stock
Free Shipping - Lower 48 US States
Advertised Price $409.95
$266.95
Save $143.00
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4

Emissions

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.

    See Emissions Details
Flowtech Headers are the perfect combination of quality and value. These "4 to 1" LS Turbo headers available in 1-3/4" and 1-7/8" tube diameters are an ideal design creating a compact package allowing a variety of configurations (Up and Forward, Down and Forward, or Down and Back) to be used as a universal fit Turbo header.

Features:

  • CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
  • Heavy duty 16-gauge 304SS (Polished Finish Only) and 409SS (Natural, Black Painted, and Ceramic Coated finishes) tubing for increased strength and durability
  • 1-3/4” and 1-7/8” tubing diameters available for increased exhaust flow increasing performance and improved throttle response
  • 3” collector for maximum strength and exhaust flow
  • 7/16” thick header flange for a leak-free seal and maximum strength
  • Premium aluminum header gaskets included
  • 3” V-Band Flanges and Clamps are included
  • Available in a total of four finishes (Natural, Black Painted, Ceramic Coated, and Polished)

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 SizeM8 x 1.25 x 25 MM
Bolts IncludedNo
Brand Flowtech Exhaust
California Proposition 65Yes
CARB (California) CompliantNo
Catalytic Converter Quantity0
CategoryExhaust
Collector AttachmentV-band
Collector Diameter3.00 IN
Collector Port Diameter3.00 IN
Collector Reducer IncludedNo
Collector Reducer Outlet DiameterN/A
ColorSilver
DesignShorty
Drive2WD
4WD
EGT PortNo
Emission Code4
EngineGM Gen III/IV (LS)
FinishPolished
Flange Thickness0.4375 IN
7/16 IN
Gasket Or Seal IncludedYes
Grade TypePerformance
Header SeriesFlowtech
Header StyleTurbo
Material304 Stainless Steel
Mounting Hardware IncludedNo
Oxygen Sensor PortNo
Part TypeExhaust Header
Port ShapeRound
Primary Tubing Diameter1 3/4 IN
1.75 IN
Product TypeHeaders
QuantitySold as a Pair
Sheen LevelHigh Gloss
Sub CategoryExhaust Manifolds
Tube Wall Thickness16 GU
UPC090127733066
Part Number11539FLT
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

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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 LS Turbo Headers-Polished
Flowtech LS Turbo Headers-Polished
Advertised Price $409.95
$266.95
Save $143.00