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    • FlowTech Flowtech Header Back Exhaust System 51525FLT
    • FlowTech Flowtech Header Back Exhaust System 51525FLT
    • FlowTech Flowtech Header Back Exhaust System 51525FLT
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    FlowTech Flowtech Header Back Exhaust System 51525FLT

    Vendor: FlowTech
    Part Number: 51525FLT
    Regular Price $309.95

    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.
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    FLOWTECH Super Street Exhaust Kits offer a top quality, custom fit dual exhaust system at a price that couldn't be more affordable. This kit includes tailpipes, clamps and hangers, excluding mufflers. Designed to be used with FLOWTECH headers 11500FLT and 31500FLT. Header flanges required if using headers other that the ones listed. These heavy duty 16-gauge systems offer the maximum in versatility. Available for either header or stock manifold applications, FLOWTECH Super Street Dual Kits were designed to locate all components above the frame. This kit features factory exit locations and with hardware and instructions included.


    FlowTech Flowtech Header Back Exhaust System 51525FLT


    Specifications:

    Brand Flowtech Exhaust
    Category Exhaust
    Emission Code 4
    Exhaust Series Flowtech
    3390 Performance
    Material Aluminized Steel
    1174 None
    Product Type Exhaust System
    Sound Level Pipe Only
    Sub Category Exhaust and Tail Pipes
    System Type Header-back
    Tips Aluminized
    Tube Wall Thickness 16
    Tubing Diameter 2.25
    Type of Exhaust Header Back
    Type of Muffler None
    Warning California Proposition 65
    Brand Flowtech Exhaust
    Category Exhaust
    Emission Code 4
    Exhaust Series Flowtech
    3390 Performance
    Material Aluminized Steel
    1174 None
    Product Type Exhaust System
    Sound Level Pipe Only
    Sub Category Exhaust and Tail Pipes
    System Type Header-back
    Tips Aluminized
    Tube Wall Thickness 16
    Tubing Diameter 2.25
    Type of Exhaust Header Back
    Type of Muffler None
    Warning California Proposition 65
    Description_ABR SYS 73-74 CH
    Description_SHO SYS EXH 73-74 CHEVY/
    Description_INV EXH SYS 73-74 CHEVY/GMC 4WD
    Description_ASC For use with factory exhaust manifold system order sales #52525FLT. For direct fit using headers 51525FLT kit should be used with Flowtech Headers sales #11500FLT or 31500FLT. Header flanges not included. Required Muffler "inlet and outlet" tube size is 2.25", Suggested mufflers: TERMINATOR sales #50121FLT or RAPTOR sales #50051FLT.
    Description_DES Flowtech Header Back Exhaust System
    Description_EXT Fits 1973-1974, 305-400 Engine, Chevrolet / GMC / Pickup, 1/2, 3/4 & 1-TON, 4 WHEEL DRIVE ONLY. 2.25 inch tubing.See "Installation Notes" for specific fit requirements.
    Description_MKT FLOWTECH Super Street Exhaust Kits offer a top quality, custom fit dual exhaust system at a price that couldn't be more affordable. This kit includes tailpipes, clamps and hangers, excluding mufflers. Designed to be used with FLOWTECH headers 11500FLT and 31500FLT. Header flanges required if using headers other that the ones listed. These heavy duty 16-gauge systems offer the maximum in versatility. Available for either header or stock manifold applications, FLOWTECH Super Street Dual Kits were designed to locate all components above the frame. This kit features factory exit locations and with hardware and instructions included.
    Description_FAB Heavy Duty 2.25" 16-gauge tubing for increased performance
    Description_FAB Header Dual Kit includes all installation hardware
    Description_FAB Custom fit for both factory manifolds and aftermarket headers
    Description_FAB NOTE: Mufflers and header flanges not included
    Description_ABR SYS 73-74 CH
    Description_SHO SYS EXH 73-74 CHEVY/
    Description_INV EXH SYS 73-74 CHEVY/GMC 4WD
    Description_ASC For use with factory exhaust manifold system order sales #52525FLT. For direct fit using headers 51525FLT kit should be used with Flowtech Headers sales #11500FLT or 31500FLT. Header flanges not included. Required Muffler "inlet and outlet" tube size is 2.25", Suggested mufflers: TERMINATOR sales #50121FLT or RAPTOR sales #50051FLT.
    Description_DES Flowtech Header Back Exhaust System
    Description_EXT Fits 1973-1974, 305-400 Engine, Chevrolet / GMC / Pickup, 1/2, 3/4 & 1-TON, 4 WHEEL DRIVE ONLY. 2.25 inch tubing.See "Installation Notes" for specific fit requirements.
    Description_MKT FLOWTECH Super Street Exhaust Kits offer a top quality, custom fit dual exhaust system at a price that couldn't be more affordable. This kit includes tailpipes, clamps and hangers, excluding mufflers. Designed to be used with FLOWTECH headers 11500FLT and 31500FLT. Header flanges required if using headers other that the ones listed. These heavy duty 16-gauge systems offer the maximum in versatility. Available for either header or stock manifold applications, FLOWTECH Super Street Dual Kits were designed to locate all components above the frame. This kit features factory exit locations and with hardware and instructions included.
    Description_FAB Heavy Duty 2.25" 16-gauge tubing for increased performance
    Description_FAB Header Dual Kit includes all installation hardware
    Description_FAB Custom fit for both factory manifolds and aftermarket headers
    Description_FAB NOTE: Mufflers and header flanges not included


    This Part Fits:

    Year Make Model Submodel Notes
    1973 Chevrolet Blazer Base
    1973 Chevrolet Blazer Base
    1974 Chevrolet Blazer Base
    1973 Chevrolet K10 Pickup Base
    1973 Chevrolet K10 Pickup Base
    1974 Chevrolet K10 Pickup Base
    1973 Chevrolet K10 Suburban Base
    1973 Chevrolet K10 Suburban Base
    1974 Chevrolet K10 Suburban Base
    1973 Chevrolet K20 Pickup Base
    1973 Chevrolet K20 Pickup Base
    1974 Chevrolet K20 Pickup Base
    1973 Chevrolet K20 Suburban Base
    1973 Chevrolet K20 Suburban Base
    1974 Chevrolet K20 Suburban Base
    1973 Chevrolet K30 Pickup Base
    1973 Chevrolet K30 Pickup Base
    1974 Chevrolet K30 Pickup Base
    1973 GMC K15/K1500 Pickup Base
    1973 GMC K15/K1500 Pickup Base
    1974 GMC K15/K1500 Pickup Base
    1973 GMC K15/K1500 Suburban Base
    1973 GMC K15/K1500 Suburban Base
    1974 GMC K15/K1500 Suburban Base
    1973 GMC K25/K2500 Pickup Base
    1973 GMC K25/K2500 Pickup Base
    1974 GMC K25/K2500 Pickup Base
    1973 GMC K25/K2500 Suburban Base
    1973 GMC K25/K2500 Suburban Base
    1974 GMC K25/K2500 Suburban Base
    1973 GMC K35/K3500 Pickup Base
    1973 GMC K35/K3500 Pickup Base
    1974 GMC K35/K3500 Pickup Base
    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.

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