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Flowtech Upright Derby Headers Small Block Chevy

387-11545


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Upright Derby Headers Small Block Chevy
$273.95
Upright Derby Headers
  • Small Block Chevy
  • 1-5/8'' Primary Tubes
  • 3'' Diameter Collector
  • Raw Stainless Steel Finish
  • Free Shipping - Estimated to ship direct from manufacturer on 08/11/21 , pending manufacturer availability. Learn More

    Thank you! We will notify you when this product becomes available.

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    Does Flowtech 11545 fit your vehicle?

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    1978 PONTIAC LAURENTIAN

    • Liter: 5
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only
    • CUI: 305
    • Engine Type: V8 ( 5L / 305 )
    • Engine Vin: U

    1973 GMC C35/C3500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: Y

    1976 CHEVROLET NOVA

    • Liter: 5
    • SubModel: POLICE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ 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
    • CUI: 305
    • Engine Type: V8 ( 5L / 305 )
    • Engine Vin: Q

    1979 GMC K1500 SUBURBAN

    • Liter: 6.6
    • SubModel: SIERRA CLASSIC
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1974 PONTIAC VENTURA

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ 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
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: A

    1983 GMC C2500 SUBURBAN

    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: M

    1978 CHEVROLET C20 SUBURBAN

    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1974 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ 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
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: W

    1971 CHEVROLET NOVA

    • Liter: 5
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only
    • CUI: 307
    • Engine Type: V8 ( 5L / 307 )
    • Engine Vin: CA

    1968 GMC K15/K1500 SUBURBAN

    • Liter: 5.3
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only
    • CUI: 327
    • Engine Type: V8 ( 5.3L / 327 )
    • Engine Vin: -

    1984 CHEVROLET C20 SUBURBAN

    • Liter: 5.7
    • SubModel: CUSTOM
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: L

    1980 CHEVROLET C10 SUBURBAN

    • Liter: 5
    • SubModel: CUSTOM DELUXE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: 1.625 in. Primary Tubing; 3 in. Collector; 409 Stainless Steel; Natural Finish;Intended For Race Use Only; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ 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
    • CUI: 305
    • Engine Type: V8 ( 5L / 305 )
    • Engine Vin: G
    11545 - Flowtech Upright Derby Headers is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from heavy dutty perfect fit on my 1957 chevy 283
    Date published: 2019-05-22
    Rated 5 out of 5 by from Great overall made very high quality I love these headers they are amazing and sound even better very well made design and high quality
    Date published: 2017-01-24
    • y_2021, m_8, d_3, h_19
    • bvseo_bulk, prod_bvrr, vn_bulk_3.0.18
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_2
    • loc_en_US, sid_10001_10001_3641722, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    How thick is the Flange?

    Asked by: dru58
    The flange is 3/8" thick on these headers.
    Answered by: Rusty B
    Date published: 2018-04-13

    what would happen if I put these on my daily driver? could I modify them to have a muffler and still use them?

    Asked by: Ow3n2020
    These could be used, but the application is extreme as you will need to cut the hood to install.
    Answered by: Rusty B
    Date published: 2017-09-21

    what is the full length from flange to collector?

    Asked by: concerned buyer
    The length is approximately 45" from the bottom of the flange to the end of the collector.
    Answered by: Rusty B
    Date published: 2017-09-05
    • y_2021, m_8, d_2, h_19CST
    • bvseo_bulk, prod_bvqa, vn_bulk_3.0.18
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_3
    • loc_en_US, sid_10001_10001_3641722, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.