Skip to Product Info
    • FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT
    • FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT
    • FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT
    • FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT
    • FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT
    • FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT
    • FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT
    • FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT
    • 11706-7flt_01.jpg
    • 11706-7flt_02.jpg
    • 11706-7flt_03.jpg
    • 11706-7flt_04.jpg
    • 11706-7flt_05.jpg
    • 11706-7flt_06.jpg
    • 11706-7flt_01.jpg
    • 11706-7flt_02.jpg
    • 11706-7flt_03.jpg
    • 11706-7flt_04.jpg
    • 11706-7flt_05.jpg
    • 11706-7flt_06.jpg
    Sale!

    FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT

    Vendor: FlowTech
    Part Number: 11706-1FLT
    Save $295
    Sale Price $338.95 Regular Price $633.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
    Payment & Security

    Secure, encrypted checkout. Card details go straight to the payment processor and are never stored by us.

    • Amazon
    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Share to:
    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 metallic ceramic coating for maximum performance and corrosion resistance with a stylish look.


    FlowTech Flowtech Tight Fit Block Hugger Headers - Ceramic Coated 11706-1FLT


    Specifications:

    Bolt size M8 x 1.25 x 25mm
    Brand Flowtech Exhaust
    CARB (California) Compliant No
    Category Exhaust
    Collector Diameter 2.50
    2877 2.50
    17 Silver
    153 Block Hugger
    10091 No
    Emission Code 4
    Engine GM Gen III/IV (LS)
    200 Ceramic Coated
    Flange Size 3/8 Inch
    710 0.3750
    Flange Thickness 3/8"
    353 No
    3390 Performance
    Header Finish Silver Ceramic
    Header Style Block Hugger
    10 Mild Steel
    30 No
    2878 No
    part type Exhaust Header
    1905 Oval
    Primary Tube Dia. 1-5/8 inch
    Primary Tubing Diameter 1-5/8
    10092 1.625
    Product Type Headers
    1336 High Gloss
    Sub Category Exhaust Manifolds
    Tube Material Mild Steel
    Tube Wall Thickness 16
    Warning California Proposition 65
    Bolt size M8 x 1.25 x 25mm
    Brand Flowtech Exhaust
    CARB (California) Compliant No
    Category Exhaust
    Collector Diameter 2.50
    2877 2.50
    17 Silver
    153 Block Hugger
    10091 No
    Emission Code 4
    Engine GM Gen III/IV (LS)
    200 Ceramic Coated
    Flange Size 3/8 Inch
    710 0.3750
    Flange Thickness 3/8"
    353 No
    3390 Performance
    Header Finish Silver Ceramic
    Header Style Block Hugger
    10 Mild Steel
    30 No
    2878 No
    part type Exhaust Header
    1905 Oval
    Primary Tube Dia. 1-5/8 inch
    Primary Tubing Diameter 1-5/8
    10092 1.625
    Product Type Headers
    1336 High Gloss
    Sub Category Exhaust Manifolds
    Tube Material Mild Steel
    Tube Wall Thickness 16
    Warning California Proposition 65
    Description_ABR HDR BLKHUG
    Description_SHO HDR LS BLOCK HUGGER
    Description_INV LS-1 BLOCK HUGGER HEADER - CERAMIC
    Description_DES Flowtech Tight Fit Block Hugger Headers - Ceramic Coated
    Description_EXT Chevy LS Motor, Tube Size 1-5/8", Collector Size 2-1/2", Silver Metallic Ceramic Coated
    Description_MKT 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 metallic ceramic coating for maximum performance and corrosion resistance with a stylish look.
    Description_FAB Tight fit block hugger design for popular hot rods powered by the popular Chevy LS motors
    Description_FAB Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
    Description_FAB Heavy duty 16-gauge tubing for increased strength and durability
    Description_FAB Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
    Description_FAB TIG Welded 2-1/2” collector for maximum strength
    Description_FAB Machined 3/8” header flange for a leak-free seal and maximum strength
    Description_FAB Premium aluminum header gaskets included
    Description_FAB Adapter tubes are supplied for easy exhaust connection
    Description_FAB This header is coated with silver metallic ceramic coating which improves performance and reduces skin temperature
    Description_ABR HDR BLKHUG
    Description_SHO HDR LS BLOCK HUGGER
    Description_INV LS-1 BLOCK HUGGER HEADER - CERAMIC
    Description_DES Flowtech Tight Fit Block Hugger Headers - Ceramic Coated
    Description_EXT Chevy LS Motor, Tube Size 1-5/8", Collector Size 2-1/2", Silver Metallic Ceramic Coated
    Description_MKT 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 metallic ceramic coating for maximum performance and corrosion resistance with a stylish look.
    Description_FAB Tight fit block hugger design for popular hot rods powered by the popular Chevy LS motors
    Description_FAB Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
    Description_FAB Heavy duty 16-gauge tubing for increased strength and durability
    Description_FAB Smooth transition, 1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
    Description_FAB TIG Welded 2-1/2” collector for maximum strength
    Description_FAB Machined 3/8” header flange for a leak-free seal and maximum strength
    Description_FAB Premium aluminum header gaskets included
    Description_FAB Adapter tubes are supplied for easy exhaust connection
    Description_FAB This header is coated with silver metallic ceramic coating which improves performance and reduces skin temperature


    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

    Recently Viewed