SKU: 66910197681

JBA Exhaust Headers for Ford Mustang 4.6L V8 for 1999-2004 Stainless Coated - 6635S

$438.07 $486.74
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

JBA Exhaust Headers for Ford Mustang 4.6L V8 for 1999-2004 Stainless Coated - 6635SOverview: 99 04 Mustang Long Tube 4. 6L 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

Overview:

99-04 Mustang Long Tube 4.6L 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: 2.5
  • Collector Port Diameter: 2.5
  • Collector Reducers Included: No
  • 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: Yes
  • Primary Tube Outside Diameter: 1.75
  • Primary Tubing Diameter: 1.75
  • Sheen Level: Matte
  • Tube Wall Thickness: 0.059
  • Part Number: 6635S

    • Applications:

    • 1999-2004 Ford Mustang 281 CID

    • Emissions:

    • This Product is LEGAL for Closed Course Competition use or Pre-Emissions Controlled Vehicles ONLY. It is Not Legal for use on any Emissions Controlled Vehicle for Street or Off Highway use.

    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: 66910197681

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    4.5 ★★★★★
    Based on 2374 reviews
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    Verified Purchase
    T.J's Mom
    New York, US
    ★★★★★ 5
    Great lip balm
    I have had chapped lips for most of my adult life. This product has been the first product that I have used, where my lips are not cracked, peeling or dry. There is no smell or taste, very neutral. I had to use the balm frequently in the beginning, now maybe only several times a day. One tube last a long time I highly recommend this lip balm.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 8, 2026
    G
    Verified Purchase
    Gosia Wroblewski
    Draper, US
    ★★★★★ 5
    Lip balm 👍
    Great product, worth every penny. Will recommend to my friends.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 1, 2026
    S
    Verified Purchase
    Sonja
    Draper, US
    ★★★★★ 3
    Just ok
    These are just simply too large to use as chapstick unless you do both top and bottom at the same time ( no thank you). I threw them away. 3 stars because it appears to be a good product, but they got the packaging all wrong to call it chap stick.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 22, 2026
    T
    Verified Purchase
    Tell me something interesting
    Lexington, US
    ★★★★★ 5
    Replaced Vaseline - Far superior product
    I received this as a gift a few months ago and it's all I use now. I use it on my lips and on my neck wrinkles. Do not leave it in a warm environment, like hot car or pants pockets, it will get very soft. If it does get soft, i just dab it on ranther than rolling/wiping on. Also its best to roll it down when not in use, but not necessary. I used to be addicted to Vaseline products for my lips and this is far superior in many ways.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 8, 2026
    J
    Verified Purchase
    Jon Robles
    San Leandro, US
    ★★★★★ 1
    Not really good as a lip balm
    It is way too melty or liquidy when applying. It's like putting oil on your lips. No staying power. I actually ended using it more as a skin moisturizer like a lotion. It's pretty good for that. I haven't even tried taking it with me in my pocket as I think it'll turn to a liquid like coconut oil down here in sunny hot Florida. .
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 1, 2025

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