DOUGS HEADERS D570-SS 70-81 326-455 3/4

( Brand: Dougs Headers ), ( Items Included: Gasket, Mounting Hardware ), ( Color: Gray ), ( Manufacturer Part Number: D570-SS ), ( Material: Stainless Steel ), ( Vintage Part: Yes ), ( Placement On Vehicle: Rear ), ( California Prop 65 Warning: Warning, Including Chromium ), ( Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To P65warnings.ca.gov For More Information Go To Https: Www.p65warnings.ca.gov/ ), ( Type: Exhaust Header ), ( Manufacturer Warranty: 1 Year ), ( Surface Finish: 304 Stainless ), ( Features: Polished ), ( Universal Fitment: No )

Review DOUGS HEADERS Stainless 70-81 3/4 Inch fits FIREBIRD

Introducing Doug's Headers D570-SS, a high-performance exhaust header solution engineered for the Firebird models between 1970 and 1981 with engine sizes ranging from 326 to 455 cubic inches and 3/4 inches exhaust manifolds. This header set is part of Doug's prestigious line of performance products, designed and manufactured with precision and dedication to power enhancement.

The D570-SS headers are constructed from 304 stainless steel, ensuring durability and resistance to rust and corrosion. Each header features a 1.625-inch primary tube diameter with 180-degree collector design, which optimizes exhaust flow and scavenging for improved engine performance. The collectors are carefully crafted to provide a smooth transition from the primary tubes to the exhaust system, minimizing turbulence and maximizing power.

This header set is designed to deliver significant improvements in power and torque, with enhanced throttle response and a more aggressive exhaust note. The D570-SS headers are also compatible with catalytic converters and oxygen sensors for use with emission control systems, making them an ideal choice for street-legal applications.

Installing Doug's Headers D570-SS is a straightforward process, thanks to the included gaskets and detailed instructions. The headers are precision-machined to ensure a perfect fit and proper clearance for the engine and other components. Additionally, the D570-SS headers are designed to work seamlessly with the factory exhaust system, allowing for a direct bolt-on installation without the need for extensive modifications.

In summary, Doug's Headers D570-SS is a top-tier exhaust header solution for the Firebird models between 1970 and 1981 with 326-455 cubic inch engines and 3/4 inch exhaust manifolds. This header set is meticulously designed and manufactured from 304 stainless steel for durability and optimal performance, delivering significant improvements in power, torque, and throttle response. With easy installation and compatibility with emission control systems, the D570-SS headers are an excellent choice for those seeking to unlock the full potential of their Firebird engine.

Doug's Headers D570-SS 70-81 Firebird 326-455 3/4 Series headers are aftermarket performance headers designed for use in General Motors Firebird vehicles from 1970 to 1981 with engines sized between 326 and 455 cubic inches and a 3/4 header size. Here are some potential pros and cons of purchasing these headers:

1. Improved Engine Performance: Headers are designed to improve engine performance by reducing exhaust gas flow restrictions and increasing exhaust velocity. This can lead to better throttle response, increased horsepower, and improved engine efficiency.

2. Durable Construction: Doug's Headers D570-SS headers are made of high-quality 304 stainless steel, which is resistant to corrosion and heat. This ensures that the headers will last for a long time, even in harsh driving conditions.

3. Easy Installation: The headers come with all necessary hardware for installation, and the design allows for a relatively straightforward installation process. This can save time and money compared to having headers custom-fabricated.

4. Improved Sound: The headers' design can also lead to a more enjoyable driving experience by producing a pleasant exhaust note.

1. Cost: Aftermarket headers can be more expensive than stock headers. The cost of Doug's Headers D570-SS headers may be a deterrent for some buyers.

2. Fitment: As with any aftermarket performance part, fitment can be a concern. It's essential to ensure that the headers are compatible with your specific Firebird model and engine configuration before making a purchase.

3. Exhaust System Modifications: Installing headers may require modifications to the exhaust system, such as fabricating or purchasing new exhaust manifolds or modifying the catalytic converters.

4. Loud Exhaust: Some buyers may not appreciate the increased exhaust noise that comes with aftermarket headers. This can be mitigated to some extent by using exhaust system components designed to reduce noise levels.

Doug's Headers D570-SS 70-81 Firebird 326-455 3/4 Series headers offer several potential benefits, such as improved engine performance, durability, easy installation, and improved sound. However, these benefits come with some drawbacks, including cost, potential fitment issues, the need for exhaust system modifications, and increased exhaust noise.

Ultimately, whether or not to purchase these headers depends on the individual's priorities and budget. If improved engine performance and durability are high priorities, and the cost and potential modifications are acceptable, then Doug's Headers D570-SS headers may be a worthwhile investment. On the other hand, if cost is a significant concern, or if the potential modifications are undesirable, then it may be best to stick with stock headers.

part # d570 prices

• $1144.00-$1211.29

specifications maniheader:

• for models: Firebird
• brand: Dougs Headers
• items included: Gasket, Mounting Hardware
• color: Gray
• manufacturer part number: D570-SS
• material: Stainless Steel
• vintage part: Yes
• placement on vehicle: Rear
• california prop 65 warning: Warning, Including Chromium
• which are known to the state of california to cause cancer and birth defects or other reproductive harm. for more information go to p65warnings.ca.gov for more information go to https: Www.p65warnings.ca.gov/
• type: Exhaust Header
• manufacturer warranty: 1 Year
• surface finish: 304 Stainless
• features: Polished
• universal fitment: No

returns maniheader:

• policy: No Returns

offer maniheader:

• sold: 0
• availability: In Stock
• quantity: 1
• started: October 23, 2025
• best offers: True
• options: Ship-to-home

seller maniheader:

• rating: 100.0%
• # reviews: 74

general maniheader:

• condition: New other see details
• Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers

shipping maniheader:

• type: Calculated
• service: UPS Ground
• transit: 4-8 Days
• carrier: UPS
• cost: $43.31
• class: Standard

payments maniheader:

• money order
• credit card: Visa
• wallet: Paypal
• other

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