DOUG THORLEY THY-320-C Steeped Tube Headers Ls Swap 67-69

( Brand: Doug Thorley ), ( Part Type: Tube Header ), ( Manufacturer Warranty: 30 Day ), ( Manufacturer Part Number: THY-320-C ), ( Placement On Vehicle: Front ), ( California Prop 65 Warning: Cancer And Reproductive Harm )

Review DOUG THORLEY Steeped Long Tube Headers 67-69 Ls Swap fits CAMARO

Introducing the Doug Thorley THY-320-C Steeped Tube Headers for the 1967-1969 Camaro LS engine swap, a must-have performance upgrade for your classic muscle car. These headers are meticulously crafted by Doug Thorley, a renowned name in the high-performance aftermarket industry, known for their exceptional engineering and manufacturing expertise.

The THY-320-C headers are designed specifically for Camaro LS engine swaps. They are fabricated using premium 321 stainless steel, ensuring superior strength, durability, and resistance to corrosion. The steeped tube design provides enhanced exhaust flow, resulting in increased horsepower and torque.

These headers feature a 1 7/8-inch primary tube diameter, which is optimized for the LS engine's power output. The collectors are designed with a large, 3-inch diameter to ensure excellent gas flow and reduce backpressure. The exhaust gases exit through 3-inch, 40-series mandrel-bent exhaust tubing, which provides a perfect fit for most aftermarket exhaust systems.

The Doug Thorley THY-320-C headers come with gaskets and hardware for a seamless installation process. The design includes a removable front oxygen sensor mounting location, making it compatible with most aftermarket oxygen sensors. Additionally, these headers are CARB-legal, making them an excellent choice for those in California or other states with stringent emissions regulations.

These headers not only deliver impressive power gains but also improve the overall look of your Camaro engine bay. The polished stainless steel finish adds a touch of elegance and sophistication, making your muscle car stand out from the crowd.

In summary, the Doug Thorley THY-320-C Steeped Tube Headers for the 1967-1969 Camaro LS engine swap is an ideal performance upgrade for those seeking increased power, improved exhaust flow, and a visually appealing engine bay. With their superior quality, durability, and CARB-legality, these headers are an investment that will provide lasting benefits for your classic muscle car.

Pros and Cons of Buying Doug Thorley THY-320-C Stepped Tube Headers for 67-69 Camaro LS Swap

The Doug Thorley THY-320-C Stepped Tube Headers are a popular aftermarket upgrade for 67-69 Camaro LS engine swaps. These headers offer several benefits, but they also come with some potential drawbacks. In this article, we will discuss the pros and cons of purchasing these headers to help you make an informed decision.

1. Increased Power: The stepped tube design of the Doug Thorley THY-320-C Headers allows for improved exhaust flow, which can lead to increased horsepower and torque.

2. Improved Engine Response: By reducing exhaust backpressure, these headers can help improve engine response and throttle sensitivity.

3. Better Fit and Finish: Compared to the stock headers, the Doug Thorley THY-320-C Headers offer a better fit and finish, with precise welds and a polished appearance.

4. Durability: These headers are constructed from heavy-duty 304 stainless steel, which provides excellent resistance to corrosion and durability.

5. Easy Installation: The Doug Thorley THY-320-C Headers come with all necessary hardware, making installation relatively straightforward.

1. Cost: The Doug Thorley THY-320-C Headers are more expensive than stock headers, which can be a significant investment for some enthusiasts.

2. Compatibility: These headers may require some modifications to fit properly in certain applications, such as cars with aftermarket exhaust systems or those using different engine mounts.

3. Loud Exhaust: The improved exhaust flow can result in a louder exhaust note, which may not be desirable for those seeking a more subtle exhaust sound.

4. Potential for Leaks: As with any exhaust component, there is a risk of leaks developing over time, which could lead to exhaust gas leaking into the engine compartment.

The Doug Thorley THY-320-C Stepped Tube Headers offer several benefits for 67-69 Camaro LS swaps, including increased power, improved engine response, better fit and finish, durability, and ease of installation. However, they also come with some potential drawbacks, such as a higher cost, compatibility issues, a louder exhaust note, and the risk of leaks. Ultimately, the decision to purchase these headers depends on your budget, priorities, and specific application. If you're looking for maximum power gains and improved exhaust flow, these headers are an excellent choice. However, if you're on a tight budget or prefer a quieter exhaust note, you may want to consider alternative options.

For those seeking maximum power gains and improved exhaust flow in their 67-69 Camaro LS swap, the Doug Thorley THY-320-C Stepped Tube Headers are an excellent choice. However, be prepared for the higher cost and potential compatibility issues, and make sure to follow proper installation procedures to minimize the risk of leaks. If you're on a budget or prefer a quieter exhaust note, consider alternative headers or exhaust components that better suit your needs.

part # thy320 prices

• $899.99-$1837.00

specifications maniheader:

• for models: Camaro
• brand: Doug Thorley
• part type: Tube Header
• manufacturer warranty: 30 Day
• manufacturer part number: THY-320-C
• placement on vehicle: Front
• california prop 65 warning: Cancer And Reproductive Harm

payments maniheader:

• other
• credit card: Visa
• wallet: Apple-pay

general maniheader:

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

seller maniheader:

• rating: 100.0%
• # reviews: 521

shipping maniheader:

• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• class: Standard
• transit: 4-10 Days
• cost: $0.00

returns maniheader:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer maniheader:

• started: September 6, 2025
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

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