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Flowtech Tight Fit Block Hugger Headers - Black Paint

Part # 11706FLT Be the first to write a review

Chevy LS Motor, Tube Size 1-5/8", Collector Size 2-1/2", Black Paint

Flowtech Tight Fit Block Hugger Headers - Black Paint

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Advertised Price $256.95
$179.95
Save $77.00
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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. This block hugger header fits all popular hot rods with the popular Chevy LS motors. This header is coated with high heat resistant black paint for that classic look. Perfect for any Rat Rod.

Features:

  • Tight fit block hugger design for popular hot rods powered by the popular Chevy LS motors
  • Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
  • Heavy duty 16-gauge tubing for increased strength and durability
  • Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
  • TIG Welded 2-1/2” collector for maximum strength
  • Machined 3/8” header flange for a leak-free seal and maximum strength
  • Premium aluminum header gaskets included
  • Adapter tubes are supplied for easy exhaust connection
  • Header is coated in high heat resistant black paint for a classic look

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 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
ColorBlack
DesignBlock Hugger
Drive2WD
4WD
EGT PortNo
Emission Code4
EngineGM Gen III/IV (LS)
FinishPainted
Flange Thickness0.375 IN
3/8 IN
Gasket Or Seal IncludedYes
Grade TypePerformance
Header SeriesBlock Hugger
Header StyleBlock Hugger
MaterialMild Steel
Mounting Hardware IncludedYes
Oxygen Sensor PortNo
Part TypeExhaust Header
Port ShapeRound
Primary Tubing Diameter1 5/8 IN
1.625 IN
Product TypeHeaders
QuantitySold as a Pair
Sheen LevelSatin
Sub CategoryExhaust Manifolds
Tube Wall Thickness16 GU
UPC090127690802
Part Number11706FLT
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 Tight Fit Block Hugger Headers - Black Paint
    Flowtech Tight Fit Block Hugger Headers - Black Paint
    Advertised Price $256.95
    $179.95
    Save $77.00