JBA Exhaust Headers for Chevy GMC Blazer S10 Blazer S10 4.3L V6 - 1840S-4
SKU: 38068038611

JBA Exhaust Headers for Chevy GMC Blazer S10 Blazer S10 4.3L V6 - 1840S-4

$338.74 $376.38
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

JBA Exhaust Headers for Chevy GMC Blazer S10 Blazer S10 4.3L V6 - 1840S-4Overview: 02 03 GM S Truck Cat4Ward 4. 3L Raw 409 JBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainless steel to endure the abuse of racing, towing, and daily driving built to withstand it all. JBAs

Overview:

02-03 GM S Truck Cat4Ward® 4.3L Raw 409

JBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainless steel to endure the abuse of racing, towing, and daily driving – built to withstand it all. JBA’s proprietary Firecone collector design uses race proven technology for producing maximum power and torque gains where you drive most. Each system includes factory style emission connections and high-quality hardware for a professional no-leak installation.

Features:

  • Mandrel bent stainless steel tube
  • Proprietary JBA Firecone collector
  • Factory style emission connections
  • Extra thick collector domes
  • 3/8" thick machined flanges with Oversized exhaust ports

    • Specs:

  • Brand: JBA Performance
  • California Proposition 65: WARNING: This product can expose you to chemicals including chromium, which is know to the State of California to cause cancer or birth defects of other reproductive harm. For more information, visit www.p65warnings.ca.gov
  • CARB EO #: D-57-48
  • Catalytic Converter(s) Included: No
  • Collector Diameter: 2.5
  • Collector Port Diameter: 2.5
  • Collector Reducers Included: No
  • Color: Grey
  • Design: Shorty
  • Finish: Uncoated
  • Flange Thickness: 46089
  • Gasket Or Seal Included: Yes
  • Gaskets Included: Yes
  • Grade Type: Performance
  • Header Material: 409 Stainless Steel
  • Header Style: Shorty
  • Mounting Hardware Included: Yes
  • Oxygen Sensor Port: Yes
  • Primary Tube Outside Diameter: 1.625
  • Primary Tubing Diameter: 1.625
  • Sheen Level: Matte
  • Tube Wall Thickness: 0.059
  • Part Number: 1840S-4

    • Emissions:

    • 1 - This product has been granted a California Air Resources Board (CARB) Executive Order (EO Number) Exemption. It is 50 State Legal when installed on the Specified vehicle per the Manufacturer’s Current Application Guide, the CARB EO, and Installation Instructions.

    Instructions:

    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 38068038611

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    4.3 ★★★★★
    Based on 1668 reviews
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    Verified Purchase
    Clara
    Lake Worth, US
    ★★★★★ 3
    The shelves sag away from the wall overtime
    Color: White, Number Of Shelves: 2, Size: 15.7in, Color: White, Number Of Shelves: 2, Size: 15.7in
    Although the wood quality and finish of the shelf are clean and well-made, the main issue is that the shelves begin to sag over time while holding around 10 pounds, even though the product listing claims they can support up to 20 pounds. They may perform better on a brick wall, but on drywall you should be cautious. To fix the problem, I had to purchase floating shelf brackets for support, which solved the sagging issue. However, this defeats the purpose of the “floating” aesthetic. Since the shelf is in my bedroom, I can overlook it, but I personally wouldn’t install these in a common area if I wanted a clean floating look.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 27, 2026
    M
    Verified Purchase
    Mo
    Whiting, US
    ★★★★★ 5
    Love this
    Color: Rustic Brown, Number Of Shelves: 4, Size: 15.7in
    Love these shelves so easy to put up so beautifully made and really enjoy the way they set on my wall very sturdy also!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 21, 2026
    J
    Verified Purchase
    Jason
    Alexandria, US
    ★★★★★ 5
    Looks nice, easy to install
    Color: Rustic Brown, Number Of Shelves: 2, Size: 22in
    This shelf is lightweight, looks nice, and was easy to install. It comes with a little level to help you install it properly. There are plenty of mounting holes to choose from, so it is easy to screw it directly into a stud, or to just use holes that are convenient for you. It comes with a plethora of mounting hardware. I mounted mine a bit high up and chose to mount it upside down so that I wouldn't see the three screws that hold the shelf to the mounting bracket.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 8, 2026
    W
    Verified Purchase
    WoohooSekai
    Los Angeles, US
    ★★★★★ 5
    Cheap, looks good and works good
    Size: 13"-32", Style: Dual Arms
    Mostly painless install, packaging was subpar but everything works well. Holds a 27" monitor and a 24" monitor very well. Adjustable angles and hinges allowing for customization for your needs. Seems to be very sturdy and hasn't dropped since making sure everything is tight. Overall, worth it compared to more expensive options.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 6, 2026
    J
    Verified Purchase
    Josiel Rosales
    Pawtucket, US
    ★★★★★ 5
    Sturdy, Extremely Adjustable, and Saves Huge Desk Space!
    Size: 17"-49", Style: Single Arm
    This WALI monitor mount is incredibly solid and handles the weight of my monitor easily without any sagging or shaking. The gas spring arm moves fluidly, making it super easy to adjust the height, angle, and tilt whenever I need to. Installation was straightforward with clear instructions, and it has freed up so much valuable desk space. Excellent build quality for a great price!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 29, 2026

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