1. Manifolds & Headers Offered
  2. sku: 9516610369421722
  3. 1ST RACING TK347

1ST-RACING TK347 Exhaust Headers Elbows T3T4 396/427/454/507/572 V8

fits model: 396, 427, 454. make: Chevy. year: 1965–1972.

Tk347 1st-racing Exhaust Headers Elbows T3t4 Pair For Chevy Bbc 396/427/454/507/572 V8 1965-1972

( Brand: 1st-racing ), ( Mounting Style: Bolt-on ), ( Type: Exhaust Manifold ), ( Manufacturer Warranty: 1 Year ), ( Items Included: Mounting Hardware ), ( Color: Silver ), ( Manufacturer Part Number: TK347 ), ( Features: Polished ), ( Material: Stainless Steel ), ( Universal Fitment: No ), ( Country Of Origin: China ), ( Fuel Type: Gasoline )

Review 1ST-RACING Exhaust Headers Elbows Pair Chevy Bbc 396/427/454/507/572 V8 fits 396 427 454 1965–1972

Introducing the 1st Racing TK347 Exhaust Headers Elbows T3T4, a high-performance exhaust component designed specifically for Chevy BB (Big Block) V8 engines from 1965 to 1972. These headers and elbows are ideal for those seeking to enhance the power and performance of their classic Chevy vehicles.

The TK347 headers are engineered with heavy-duty 304 stainless steel construction, ensuring superior strength and durability. The headers feature a 3-inch primary tube diameter and a 1-3/4-inch collector, offering optimal exhaust flow for maximum power gain. The exhaust gases exit through 4-inch outlets, providing a perfect fit for most aftermarket exhaust systems.

The T3T4 elbows are meticulously crafted from the same high-quality 304 stainless steel material as the headers. They are designed to seamlessly connect the headers to the exhaust system, allowing for a smooth and efficient exhaust flow. The elbows feature a 3-inch inlet and a 4-inch outlet, making them compatible with most aftermarket exhaust systems.

One of the standout features of these headers and elbows is their ability to work with a wide range of engine sizes, including 396, 427, 454, 507, and 572 cubic inch V8 engines. This makes them a versatile choice for Chevy enthusiasts looking to upgrade their exhaust system.

Installing these headers and elbows is a straightforward process, thanks to their bolt-on design. They come with new gaskets, making the installation process even simpler. Additionally, they are compatible with stock and aftermarket exhaust manifolds, giving you the flexibility to choose the best option for your vehicle.

Upgrading to the 1st Racing TK347 Exhaust Headers Elbows T3T4 is an investment in both performance and longevity. These headers and elbows not only provide a noticeable power gain but also offer the peace of mind that comes with using high-quality, durable components. So, if you're looking to take your classic Chevy to the next level, look no further than the 1st Racing TK347 Exhaust Headers Elbows T3T4.

Buying 1st-racing TK347 exhaust headers and elbows for a Chevy BBC V8 (396/427/454/507/572) engine from 1965 to 1972 comes with the following pros and cons:

Pros:

1. Improved Performance: TK347 headers are known for their excellent flow characteristics, which can help increase horsepower and torque.

2. Better Fuel Efficiency: By reducing the backpressure in the exhaust system, these headers can help improve fuel efficiency.

3. Enhanced Sound: These headers produce a deep, rumbling exhaust note that many enthusiasts find appealing.

4. Durability: TK347 headers are made of high-quality materials and are designed to withstand the rigors of high-performance applications.

5. Compatibility: These headers are specifically designed for the BBC V8 engines and are a direct bolt-on replacement for the stock exhaust system.

Cons:

1. Cost: TK347 headers and elbows are more expensive than stock exhaust components.

2. Installation Complexity: Installing headers and elbows requires some mechanical skills and experience. It is recommended to have them installed by a professional.

3. Weight: These headers are heavier than stock components, which may affect the handling of the vehicle.

4. Heat: The headers generate a significant amount of heat, which can affect the temperature of the engine bay and the interior of the vehicle.

In conclusion, buying TK347 exhaust headers and elbows for a Chevy BBC V8 engine can provide significant performance gains, improved fuel efficiency, and enhanced sound. However, these benefits come with a higher cost, installation complexity, added weight, and increased heat generation.

Recommendation:

If you are looking for a significant performance upgrade for your Chevy BBC V8 engine and are willing to invest in the higher cost and installation complexity, then TK347 headers and elbows are a great choice. However, if you are on a budget or prefer a simpler installation, then stock exhaust components may be a better option. Ultimately, the decision depends on your performance goals and budget.

part # tk347 prices

  • $99.00-$139.99

specifications maniheader:

  • for models: 396, 427, 454
  • for makes: Chevy
  • for years: 1965-1972
  • brand: 1st-racing
  • mounting style: Bolt-on
  • type: Exhaust Manifold
  • manufacturer warranty: 1 Year
  • items included: Mounting Hardware
  • color: Silver
  • manufacturer part number: TK347
  • features: Polished
  • material: Stainless Steel
  • universal fitment: No
  • country of origin: China
  • fuel type: Gasoline

returns maniheader:

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

offer maniheader:

  • quantity: 5
  • availability: In Stock
  • best offers: True
  • started: December 9, 2025
  • options: Ship-to-home
  • sold: 0

seller maniheader:

  • # reviews: 1392
  • rating: 96.4%

shipping maniheader:

  • carrier: UPS
  • service: UPS Ground
  • cost: $0.00
  • transit: 3-7 Days
  • class: Standard
  • type: Fixed

general maniheader:

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

payments maniheader:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club
for models: 396, 427, 454, for makes: chevy, for years: 1965-1972, mounting style: bolt-on, type: exhaust manifold, manufacturer warranty: 1 year, items included: mounting hardware, features: polished, universal fitment: no, country of origin: china, fuel type: gasoline,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: silver, material: stainless steel, sku: 9516610369421722,

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