Specifications:
Brand Name: FLASHARK
Certificate: ISO9001:2000
Application: Automobile Exhaust Header
Material: Stainless Steel
Surface: Mirror Polish
Model: EH28112
1 5/8 - 1 3/4 in. Primaries
3 in. Collector
Features:
1 5/8 - 1 3/4 in. Primaries
3 in. Collector
For "ProFour" tube chassis
Goes through firewall if used on production chassis
High velocity 1-5/8" to 1-3/4" stepped primary with 3" collector
Boost Horsepower and torque, and Save on Gas with Headers and Exhaust System Modifications!"
Replacing a vehicle’s headers and exhaust is a way to add horsepower and torque, and it will also increase your vehicle’s volume. Want a car that sounds like an American muscle car should? This header will help your vehicle achieve that and it can add up to 8-20 horsepower.
Install an exhaust system means about a 0.5 mpg gas mileage improvement. While that might not sound like much, consider this: If gas costs $3 a gallon and drives this truck 15,000 miles a year, you’re saving yourself about $85 a year on gas. In five years, you’ll have saved nearly enough money to pay for a complete cat-back exhaust system.
Exhaust Header VS Manifold, which is the better choice?
The structural differences between exhaust headers and manifolds are the material and size. From the material, exhaust headers are made of lighter, thinner steel, while exhaust manifolds are made of thick iron. Exhaust headers are also longer than exhaust manifolds. When in use, exhaust manifolds create back pressure, which lowers performance. Because each cylinder of the engine is given its own tube, however, headers eliminate this problem; thus, allowing the gases to exit without the creation of back pressure. Therefore, exhaust headers are a BETTER choice than an exhaust manifold.
Fitment & Compatibility
| Brand | Model | Year Range | Full Compatible Specs |
|---|---|---|---|
| Ford | Pinto | 1974-1980 | Factory-Equipped 2.3L Inline-4 (I4) Engine; Fits All Standard Trim Levels & Body Configurations |
| Ford | Mustang II | 1974-1978 | Factory-Equipped 2.3L Inline-4 (I4) Engine; Fits All Standard Trim Levels & Body Configurations |
Q1: Which vehicle models and engine configurations are compatible with this Flashark exhaust header?
A1: This performance exhaust header is engineered specifically for the 1974-1980 Ford Pinto and the 1974-1978 Ford Mustang II equipped with the factory 2.3L Inline-4 (I4) "Lima" engine. It fits all standard factory trim levels and body configurations for these specific model years, making it a highly targeted upgrade for classic Ford four-cylinder enthusiasts.
Q2: What are the exact dimensions and specs of this 2.3L Ford Pinto header?
A2: This Flashark header is designed with a high-velocity stepped primary configuration, transitioning from 1 5/8 inches to 1 3/4 inches, and merging into a substantial 3-inch collector. This stepped design optimizes exhaust gas flow velocity and maximizes scavenging efficiency across a significantly broader RPM band.
Q3: What does the "ProFour" tube chassis application note mean for installation clearances?
A3: This header is specifically contoured for "ProFour" tube chassis racing applications. If you intend to install this unit on a standard stock factory production chassis, please note that the primary tubes are routed to go through the firewall. This requires custom sheet metal modifications and firewall clearancing inside a standard production engine bay.
Q4: How much horsepower and torque can I gain by replacing my stock iron manifold with this header?
A4: Upgrading to the Flashark high-performance stepped header completely eliminates the restrictive backpressure caused by heavy factory cast-iron manifolds. By giving each cylinder an optimized exhaust pathway, this modification can instantly add an estimated 8 to 20 horsepower and noticeably improve low-to-midrange torque for sharper throttle response.
Q5: What material and structural finish are used to construct this Ford Pinto & Mustang II header?
A5: This premium exhaust header is fabricated from high-grade, durable stainless steel featuring a brilliant mirror-polished surface finish. It is exceptionally lightweight compared to heavy stock manifolds, helps dissipate heat more effectively under the hood, and provides long-lasting resistance against thermal warping, rust, and corrosion.
Q6: Will this exhaust header fit earlier 1971-1973 Ford Pinto models or different displacement engines?
A6: No, this model is verified exclusively for the 2.3L Inline-4 engine variants from 1974-1980. It will not serve as a direct bolt-on for earlier 1971-1973 Pinto models that came equipped with the 1.6L Kent or 2.0L EAO engines, as their cylinder head exhaust port shapes and flange spacing are completely different.
Q7: Can installing this upgraded exhaust header help improve my classic vehicle's fuel economy?
A7: Yes. By drastically reducing exhaust restrictions and reducing engine pumping losses, your 2.3L engine runs much more efficiently. Installing this upgraded exhaust system can yield an estimated 0.5 MPG improvement in gas mileage, translating to direct fuel savings during extended cruising and regular use.
Q8: Does this Flashark header kit come with a matching installation gasket and collector hardware?
A8: Yes, your purchase includes a high-quality replacement exhaust manifold gasket designed to create a tight, durable seal against the cylinder head. The package also features the 3-bolt collector attachment flange components required to connect the header to your remaining custom exhaust piping.
Q9: What kind of exhaust note or sound profile can I expect from this 4-1 header layout?
A9: This stepped primary header replaces the quiet, choked tone of the factory manifold with a much deeper, mechanical, and sporty exhaust note. It brings out the true vintage performance heritage of the Ford 2.3L motor under heavy acceleration while maintaining a clean, drone-free tone at cruising speeds.
Q10: Is professional installation recommended for this 1974-1980 Ford Pinto 2.3L engine header?
A10: Yes, professional installation by an experienced car modification technician or a specialized custom exhaust fabrication shop is highly recommended. Because the header tubes are designed to pass through the firewall on a factory stock chassis, moderate custom fabrication and body modifications are required to achieve a flawless, safe fit.
Q11: Under what manufacturing and quality control standards is this automotive header built?
A11: Every Flashark automotive exhaust header is manufactured under rigorous ISO9001:2000 quality certification standards. It features precise uniform TIG welds and a thick head flange to ensure a completely flat, warp-free mating surface that guards against performance-robbing exhaust leaks under high-temperature racing conditions.
Q12: What type of warranty and delivery protection does Flashark offer for this vintage component?
A12: Flashark provides an industry-leading Permanent Warranty on this high-performance header kit, covering any manufacturing or material defects. Additionally, your order is secured with worry-free delivery protection and free domestic shipping within 3 to 5 working days, ensuring your classic restoration project stays on track.