SKU: 14120963257

JBA Exhaust Headers for Ford Mustang V8 289 CID for 1964-1973 - 6611S

$438.07 $486.74
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

JBA Exhaust Headers for Ford Mustang V8 289 CID for 1964-1973 - 6611SOverview: 65 73 Mustang Long Tube 260 302 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,

Overview:

65-73 Mustang Long Tube 260-302 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: 1.75
  • Sheen Level: Matte
  • Tube Wall Thickness: 0.059
  • Part Number: 6611S

    • Applications:

    • 1964-1968 Ford Mustang 289 CID
    • 1964-1965 Ford Mustang 260 CID
    • 1968-1973 Ford Mustang 302 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: 14120963257

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    4.1 ★★★★★
    Based on 6 reviews
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    Product Reviews
    M
    Verified Purchase
    Mason
    Birmingham, US
    ★★★★★ 5
    Great product
    Size: 9.3" x 9.7" x 1.8"
    I recently installed the BOSCH 6029C HEPA Cabin Air Filter, and the difference was noticeable right away. The air inside my car feels much cleaner and fresher, especially when driving in traffic or through areas with a lot of dust and pollution. It does a great job filtering out odors, pollen, and even fine particles—I’ve had fewer allergy issues since switching to this filter. Installation was straightforward and only took a few minutes, even without much mechanical experience. The build quality is solid, and it fits perfectly without any gaps or issues. Compared to standard cabin filters, this HEPA version is definitely a step up in terms of filtration performance. Overall, I’d highly recommend this to anyone looking to improve their in-car air quality. It’s a small upgrade that makes a big difference in comfort, especially for daily drivers or people sensitive to allergens.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 3, 2026
    C
    Verified Purchase
    Chad I
    San Leandro, US
    ★★★★★ 5
    Good quality!
    Size: 9.3" x 9.7" x 1.8"
    This cabin air filter is seriously a game-changer for my car's interior air quality. I was getting tired of that stale, dusty smell every time I turned on the AC. Swapping it out was surprisingly easy, and the difference was noticeable almost immediately. It really does trap all those tiny particles, like pollen and dust, that used to make my allergies flare up. Now, the air inside my vehicle feels so much fresher and cleaner. I've been recommending this brand to all my friends who are looking for a reliable filter. It's definitely worth the investment for a more comfortable driving experience. Seriously, if you're on the fence, just go for it!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 19, 2026
    B
    Verified Purchase
    Bartek
    Pawtucket, US
    ★★★★★ 5
    Noticeable upgrade in air quality and a seamless installation
    Size: 9.3" x 9.7" x 1.8"
    I'm generally skeptical of the "HEPA" marketing for automotive filters, but after installing this in my Honda, the reduction in exterior odors—especially exhaust and pollen—is actually significant. The construction feels far more robust than the flimsy OEM paper filters I’ve used in the past; the pleats are dense and well-reinforced, which gives me more confidence in its filtration efficacy over a 12,000-mile interval. Installation was straightforward and took less than five minutes. It’s a precision fit with no gaps around the edges, ensuring that all intake air is actually being routed through the media rather than bypassing it. One thing to note is that you might notice a very slight decrease in max fan velocity due to the increased density of the HEPA material, but the tradeoff for cleaner air is well worth it in my opinion. If you live in an area with high pollution or suffer from seasonal allergies, this is a legitimate quality-of-life improvement for your daily commute.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 26, 2026
    M
    Verified Purchase
    Michael
    Whiting, US
    ★★★★★ 5
    Exact fit!
    Size: 9.3" x 9.7" x 1.8"
    Was a great replacement for OE on my 2012 Honda Accord. It was the exact same size as the previous filter and has no strange smells or odors. Very easy to install behind the glove box and looks great!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 23, 2026
    D
    Verified Purchase
    David M
    Port Orchard, US
    ★★★★★ 4
    Bosch quality
    Size: 9.3" x 9.7" x 1.8"
    Fit my vehicle without any problems. Quality similar to the OEM filter and at a much better price.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 25, 2026

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