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FlowTech  |  SKU: 11553FLT

FlowTech Upright Headers - 11553FLT

Big Block Chevy 2-1/4" Upright Headers with 4" Collector- Black Finish

Regular price $1,113.70 NZD + GST
Shipping calculated at checkout.
⚠ Special Order Item — ships direct from supplier. No returns, exchanges, or cancellations once processed. Please allow 7–20 days shipping.

Description

Big Block Chevy 2-1/4" Upright Headers with 4" Collector- Black Finish

Part Number: 11553FLT

Flowtech Headers are the perfect combination of quality and value. These Big Block Chevy Upright headers available in 2-1/4" tube diameters are ideal for even big cubic inch Big Block Chevy engines

Features and Benefits

• 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 409SS tubing for increased strength and durability
• 2-1/4” tubing diameter for increased exhaust flow increasing performance and improved throttle response
• Extended 4” collector for maximum strength and exhaust flow
• Extra thick 7/16” header flange for a leak-free seal and maximum strength
• Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
• Center of exhaust port to end of collector length is 33-1/2"

Specifications

  • Specifications
    Air Injection TubesNo
    ApplicationBig Block Chevy
    Bolt size3/8-16 x 3/4
    Bolts IncludedYes
    BrandFlowtech Exhaust
    California Proposition 65Yes
    CARB (California) CompliantNo
    Catalytic Converter Quantity0
    CategoryExhaust
    Collector AttachmentWeld-On
    Collector Diameter4.00
    Collector Port Diameter4.00
    Collector Reducer IncludedNo
    Collector Reducer Outlet DiameterN/A
    ColorBlack
    DesignUpright
    Drive2WD
    Drive4WD
    EGT PortNo
    Emission Code4
    EngineGM Big Block
    FinishPainted
    Flange Thickness0.4375
    Flange Thickness7/16
    Gasket Or Seal IncludedYes
    Grade TypePerformance
    Header SeriesFlowtech
    Header StyleUpright
    Material409 Stainless Steel
    Mounting Hardware IncludedYes
    Oxygen Sensor PortNo
    part typeExhaust Header
    Port ShapeRound
    Primary Tubing Diameter2.25
    Primary Tubing Diameter2 1/4
    Product TypeHeaders
    QuantitySold as a Pair
    Sheen LevelSatin
    Sub CategoryExhaust Manifolds
    Tube Wall Thickness16
    WarningCalifornia Proposition 65

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