1. Manifolds & Headers Offered
  2. sku: 8815999863974772
  3. PONTIAC 490142

PONTIAC 490142 Exhaust Manifolds

fits make: Pontiac.

490143 Pontiac 490142 Exhaust Manifolds Pair Part #490142 And

( Mounting Style: Bolt-on ), ( Type: Exhaust Manifold ), ( Substrate Material: Iron ), ( Manufacturer Part Number: 490142 ), ( Material: Cast Iron ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Fuel Type: Gasoline )

Review PONTIAC Exhaust Manifolds Pair Part #490142 And

Introducing the Pontiac 490142 and 490143 Exhaust Manifolds, designed specifically for Pontiac engines seeking improved performance and durability. These manifolds are engineered to replace the original equipment and cater to both the performance enthusiast and the everyday driver.

The Pontiac 490142 and 490143 Exhaust Manifolds are crafted from premium materials, ensuring superior strength and longevity. These manifolds feature heavy-duty cast iron construction, which not only withstands the high temperatures and pressures of the exhaust system but also resists corrosion and wear.

One of the standout features of these manifolds is their enhanced design for better flow and increased horsepower. The carefully engineered ports and collector design optimize exhaust gas flow, reducing backpressure and improving overall engine performance. The manifolds also come with pre-welded exhaust gaskets, ensuring a secure and leak-free seal.

These manifolds are an excellent upgrade for those looking to enhance the sound of their Pontiac engine. The improved exhaust flow results in a more robust and resonant exhaust note, adding an exciting element to your driving experience.

Installation of the Pontiac 490142 and 490143 Exhaust Manifolds is straightforward, making this an accessible upgrade for most do-it-yourself enthusiasts. The manifolds come with detailed installation instructions, and the included gaskets and hardware ensure a hassle-free installation process.

In summary, the Pontiac 490142 and 490143 Exhaust Manifolds offer a robust and durable solution for those seeking improved engine performance and an enhanced exhaust note. With their premium cast iron construction, optimized exhaust flow design, and straightforward installation, these manifolds make an excellent addition to any Pontiac engine.

Pontiac 490142 and 490143 exhaust manifolds are aftermarket parts designed to replace the original exhaust manifolds in certain Pontiac vehicles. Here are some potential pros and cons of buying these manifolds:

Pros:

1. Performance: Aftermarket exhaust manifolds can improve engine performance by providing better exhaust flow and reducing backpressure.

2. Durability: These manifolds are often made of high-quality materials like stainless steel, which can withstand extreme temperatures and corrosion.

3. Fitment: Aftermarket manifolds are specifically designed to fit certain Pontiac models, ensuring a proper fit and function.

4. Availability: Aftermarket manifolds are often more readily available than OEM (original equipment manufacturer) parts, making it easier to find replacements.

Cons:

1. Cost: Aftermarket exhaust manifolds can be more expensive than OEM parts, especially if they are made of high-performance materials.

2. Installation: Installing aftermarket exhaust manifolds can be more complicated than installing OEM parts, as they may require additional modifications to the exhaust system.

3. Warranty: Aftermarket parts may not come with the same warranty coverage as OEM parts, which could be a concern for some consumers.

Conclusion:

When deciding whether to buy Pontiac 490142 and 490143 exhaust manifolds, it's important to consider both the pros and cons. These aftermarket parts can offer improved performance, durability, and availability, but they may also come with a higher cost and more complicated installation process. Ultimately, the decision to purchase aftermarket exhaust manifolds depends on your budget, installation skills, and performance goals.

Recommendation:

If you are looking for improved exhaust flow and better engine performance, aftermarket exhaust manifolds like the Pontiac 490142 and 490143 may be a good investment. However, if you are on a tight budget or prefer the peace of mind that comes with OEM parts, you may want to consider other options. Be sure to research the specific manifold model you're interested in to ensure a proper fit and function.

part # 490142 price

  • $99.99

specifications maniheader:

  • for makes: Pontiac
  • mounting style: Bolt-on
  • type: Exhaust Manifold
  • substrate material: Iron
  • manufacturer part number: 490142
  • material: Cast Iron
  • universal fitment: No
  • vintage part: Yes
  • fuel type: Gasoline

offer maniheader:

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

shipping maniheader:

  • class: Standard
  • type: Fixed
  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 4-11 Days
  • cost: $38.98

returns maniheader:

  • policy: No Returns

seller maniheader:

  • # reviews: 198
  • rating: 0.0%

general maniheader:

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

payments maniheader:

  • wallet: Apple-pay
  • credit card: Diners-club
  • other
for makes: pontiac, mounting style: bolt-on, type: exhaust manifold, substrate material: iron, universal fitment: no, vintage part: yes, fuel type: gasoline,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, material: cast iron, sku: 8815999863974772,

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