JBA Exhaust Headers for Ford Mustang V8 289 CID for 1964-1973 - 6613S
SKU: 76041961477

JBA Exhaust Headers for Ford Mustang V8 289 CID for 1964-1973 - 6613S

Sale price$425.20 Regular price$472.45
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

JBA Exhaust Headers for Ford Mustang V8 289 CID for 1964-1973 - 6613SOverview: 65 73 Mustang Long Tube 260 302 & 71 73 260 351W Raw 409 JBA long tube headers are the number one choice for maximum performance gains and high RPM efficiency. Available in 409 or 304 Series Stainless Steel. These long tube designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range. All JBA long tube headers feature large mandrel bent stainless steel primary tubes, oversized

Overview:

65-73 Mustang Long Tube 260-302 & 71-73 260-351W Raw 409

JBA long tube headers are the number one choice for maximum performance gains and high RPM efficiency. Available in 409 or 304 Series Stainless Steel. These long tube designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range. All JBA long tube headers feature large mandrel-bent stainless steel primary tubes, oversized exhaust ports, extra thick 3/8 one-piece flanges, and proprietary JBA Firecone® merged collectors for smooth flow. Each system is designed to give the maximum amount of ground clearance possible, so lowered cars do not drag the collectors.

Features:

  • 3/8" thick CNC laser-cut flanges
  • Patented JBA Firecone® collector
  • O2 sensor provisions
  • Large diameter mandrel-bent steel tubes
  • 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
  • Catalytic Converter(s) Included: No
  • Collector Diameter: 3
  • Collector Port Diameter: 3
  • Collector Reducers Included: Yes
  • Color: Grey
  • Design: Full-length
  • Finish: Uncoated
  • Flange Thickness: 46089
  • Gasket Or Seal Included: Yes
  • Gaskets Included: Yes
  • Grade Type: Performance
  • Header Material: 409 Stainless Steel
  • Header Style: Full-length
  • Mounting Hardware Included: Yes
  • Oxygen Sensor Port: No
  • Primary Tube Outside Diameter: 1.75
  • Primary Tubing Diameter: 1.625
  • Sheen Level: Matte
  • Tube Wall Thickness: 0.059
  • Part Number: 6613S
  • Applications:

    • 1964-1968 Ford Mustang 289 CID
    • 1964-1965 Ford Mustang 260 CID
    • 1968-1973 Ford Mustang 302 CID
    • 1971-1973 Ford Mustang 351 CID
  • Emissions:

    • This product is Legal for use on Pre-Pollution Controlled Vehicles. It is legal for use on all vehicles produced Before Emissions Control Regulations were imposed. These are considered Uncontrolled Vehicles and are defined as follows
      • 1965 and Older US Manufactured California Certified Vehicles
      • 1967 and Older US Manufactured Federally Certified Vehicles
      • 1967 and Older Foreign Manufactured Vehicles

    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: 76041961477

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    Awesome reviews
    Natrona Heights, US
    ★★★★★ 5
    Make sure you know the difference of high back vs mid back versions
    Color: Brown, Size: Mid Back
    I got a little confused by the reviews since they mix the high back version with the mid back. I thought the arm rests were adjustable and the back had some lean. Apparently only the high back version. That said, it is very nice. Its at least a hundred less than what you'd get at an office depot and it is generously sized and very supportive and comfortable. The assembly was relatively easy, instructions could have been a bit better. The piece connecting the seat and back doesn't sit flush with the mount that attached to the legs which is weird but it feels sturdy nonetheless. Overall it's very nice and the design is really cool, it looks like a 70s race car style seat. Exactly what I was looking for basically. I sort of wish I got the high back version for the adjustable arms and the ability to recline but it is a work chair for me mostly so I guess it doesn't need to lean back, even if it would be nice if it did.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 14, 2026
    A
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    Andre
    Massapequa, US
    ★★★★★ 5
    Excellent product. Great value, detailed parts and labels, outstanding construction.
    Color: Brown, Size: Mid Back
    Outstanding Purchase. The desk chair far exceeded my requirements and expectations. The price was so far below other office chairs that I was concerned that it would be shoddy, uncomfortable, cheap looking and impossible to put together. Materials were top grade, instructions were precise and all parts were market for location with "front and back" labels. Not a screw was missing or misaligned. Since my desk and office are in the Master, really impressed with the color and design. Very comfortable with good back support ,adjustment ease and arm support.. Bravo to your team!!!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 20, 2026
    H
    Verified Purchase
    H
    Pawtucket, US
    ★★★★★ 5
    Lovely and comfortable
    Color: Brown, Size: Mid Back
    Well made and easy to put together. I bought 2 and found them both to be well worth the money. You can tell the quality is there vs. other chairs I’ve bought online before.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 6, 2026
    K
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    KCrowley
    Carnegie, US
    ★★★★★ 4
    Smooth!
    Color: Brown, Size: Mid Back, Color: Brown, Size: Mid Back
    Good value and looks pretty good. Faux leather feels like Naugahyde. Should be durable since that's what boat seat are made of. Could use a bit more lumbar support, but overall quite comfortable. Wider than I expected (so it must be designed for us Americans.) Casters are fantastic. Far superior to traditional plastic casters. Because these are made of rubber, they are dead quiet and smoooooth rolling across the flooring. Took about 30 minutes to assemble. Lots of parts but the pictorial instructions were clear. I'd give it five stars, but I wish it had a bit more height adjustment. We'll see how it holds up, but so far I'm pretty pleased.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 29, 2025
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    Buman
    Phoenix, US
    ★★★★★ 5
    Very pleased with my purchase
    Color: Brown, Size: Mid Back
    Easy to put together - instructions are good - excellent quality and the chair is comfortable. Far from being flimsy it's a heavy chair which rolls perfectly as needed. You won't find that many good chairs (if any!) at this excellent price. As always the ultimate question is: would I buy it again? The answer is YES, definitively. Great purchase.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 23, 2026

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