Exhaust Headers for 1960-1983 Ford/Mercury Inline 6 144/170/200/250 Cid
Upgrading or replacing your exhaust header is essential for improving engine performance and sound. FLASHARK headers help increase horsepower and enhance exhaust tone, whether on the track or the street. With a direct bolt-on design, these custom headers require no modifications, offering a simple and effective upgrade. Compatible with a wide range of Ford and Mercury models from 1960 to 1983, including those with Inline 6 engines (144, 170, 200, 250 CID), they are a perfect fit for classic vehicles like the Ford Bronco, Ford Mustang, and many more, providing enhanced power and a more aggressive exhaust sound.
Specifications:
Brand Name: FLASHARK
Model: EH28046X
Certificate: ISO9001:2000
Application: Automobile Exhaust Header
Material: Stainless Steel
Surface: Mirror Polish
Outlet Size: 2.00"
Inlet Size: 1 1/8" X 1 1/4"
Head Flange Thickness: 7/16"
Outlet Flange Thickness: 3/8"
Exhaust Header VS Manifold, which is the better choice?
The primary difference between exhaust headers and manifolds is their material and design. Exhaust headers are typically made from lighter, thinner steel, while exhaust manifolds are made of thicker iron. Headers are also longer and more efficient than manifolds. Manifolds tend to create back pressure, which reduces engine performance. In contrast, headers eliminate this issue by giving each cylinder its own exhaust tube, allowing gases to exit more efficiently without creating back pressure. This design leads to improved horsepower and better overall engine performance.
For vehicles equipped with Inline 6 engines, such as those with the Ford 200 Inline 6 headers, headers provide a significant performance boost compared to manifolds, enhancing both power and exhaust sound.
Sharing from @KatarinasGarage
✅ Ford Brand Vehicle Fitment
- Ford Bronco | 1966-1974 | 2.8L, 3.3L Engines
- Ford Econoline | 1961-1966 | 2.4L, 2.8L Engines
- Ford Fairmont | 1978-1982 | 3.3L Engine
- Ford Falcon | 1960-1970 | 2.4L, 2.8L, 3.3L Engines
- Ford Granada | 1975-1982 | 3.3L, 4.1L Engines
- Ford LTD | 1983 | 3.3L Engine
- Ford Mustang | 1965-1970 | 2.8L, 3.3L Engines
- Ford Ranchero | 1960-1965 | 2.4L, 2.8L, 3.3L Engines
- Ford Thunderbird | 1980-1982 | 3.3L Engine
✅ Mercury Brand Vehicle Fitment
- Mercury Capri | 1979-1982 | 2.8L, 3.3L Engines
- Mercury Comet | 1960-1965 | 2.4L, 2.8L, 3.3L Engines
- Mercury Cougar | 1981-1982 | 3.3L Engine
- Mercury Marquis | 1983 | 3.3L Engine
- Mercury Zephyr | 1978-1982 | 3.3L Engine
Q1: What engines do these ford inline 6 headers fit?
A1: These headers are precisely designed for 1960-1983 Ford and Mercury Inline 6 engines. They provide a direct fit for the 144, 170, 200, and 250 CID (cubic inch displacement) straight-six platforms.
Q2: Can I use this as a replacement for my factory ford 200 inline 6 exhaust manifold?
A2: Absolutely. The factory cast-iron log-style ford 200 inline 6 exhaust manifold is notoriously restrictive. Upgrading to these Flashark straight 6 headers will drastically improve exhaust flow, reduce backpressure, and unleash hidden horsepower and mid-range torque.
Q3: What vehicles are compatible with the flashark exhaust header for 1960/1983 ford/mercury l6 144/170/200/250?
A3: These headers fit a wide variety of classic vehicles, including the Ford Mustang, Falcon, Bronco, Econoline, Ranchero, and Fairmont, as well as Mercury models like the Comet, Capri, and Zephyr equipped with the 144, 170, 200, or 250 CID inline six engines.
Q4: Are these considered good ford 170 inline 6 performance parts?
A4: Upgrading your exhaust is one of the most effective ford 170 inline 6 performance parts investments you can make. It transforms the sluggish factory response into a crisp, throttle-responsive driving experience while providing a much deeper, sportier exhaust tone.
Q5: Will I need to modify anything to install these ford 200 headers?
A5: These ford 200 headers are designed as a direct bolt-on upgrade. However, due to tight clearances in vintage engine bays, some customers have noted that you may need to temporarily loosen or slightly adjust the starter motor during the installation process to ensure perfect clearance.
Q6: Are these compatible with a Ford 4.9 inline 6 engine?
A6: No, these are exclusively designed for the small block 144, 170, 200, and 250 CID engine family. If you are searching for ford 4.9 headers or ford 4.9 inline 6 headers (which is the larger 300 CID engine), you will need a completely different header application as the exhaust port layout does not match.
Q7: What is the fitment difference between the 200 and 144 engines (200 - 144)?
A7: The 144, 170, and 200 CID engines share the same basic cylinder head design and exhaust port spacing. Therefore, these inline 6 headers will bolt up flawlessly and seal perfectly whether you are building the smaller 144 block or the larger 200 CID block.
Q8: Do these 250 inline 6 headers come with gaskets and hardware?
A8: Yes! This comprehensive kit includes high-quality gaskets and all necessary mounting hardware. The thick 7/16" head flange ensures a secure, leak-free seal against the cylinder head of your 250 inline 6, saving you a trip to the parts store.
Q9: How will these mercury headers change the sound of my classic car?
A9: Replacing the restrictive stock log manifold with these mandrel-bent stainless steel mercury headers will give your vehicle a smooth, commanding, and deep resonant howl. It completely eliminates the raspy, buzzy tone typical of old factory cast manifolds.
Q10: What are the port sizes on this ford 200 header?
A10: This high-performance ford 200 header features precision 1 1/8" x 1 1/4" inlet ports that perfectly match the factory cylinder head layout, which then flow efficiently into a 2.00" collector outlet for optimal exhaust velocity and performance.
Q11: Will these straight 6 headers clear my transmission setup?
A11: Yes, the mandrel-bent tubing is meticulously routed to clear the majority of factory manual and automatic transmissions found in 1960-1983 Ford and Mercury L6 chassis. Just ensure your motor mounts are in good condition to maintain proper clearances.
Q12: How do I keep my new ford 170 headers looking great after installation?
A12: Like all premium T304 stainless steel exhaust components, these ford 170 headers will naturally develop a subtle golden or bluish heat tint after several engine heat cycles. To prevent permanent hand-print stains, we highly recommend thoroughly wiping the tubes down with rubbing alcohol before your initial engine start.


















