
( Brand: Speedway Motors ), ( Type: Exhaust Manifolds ), ( Material: Cast Iron ), ( Manufacturer Part Number: HZ-9977-CER-SIL ), ( Item Height: 4.800 ), ( Item Length: 23.10 ), ( Item Width: 13.400 )
Review SPEEDWAY MOTORS Chevy Cast Iron Exhaust Manifolds Silver fits LT
The Speedway Motors HZ-9777-CER-SIL Chevy Cast Iron Exhaust Manifolds are a high-performance upgrade for your Chevrolet engine, designed to provide improved exhaust flow and enhanced power output. These manifolds are constructed from heavy-duty cast iron material for superior durability and strength.
Each manifold features a 6-bolt flange design for secure attachment to the engine block and a polished ceramic coating that offers excellent heat retention and resistance to corrosion and oxidation. Essential for those who demand high levels of performance and reliability from their engine, these manifolds are a popular choice among car enthusiasts and hot rodders.
The exhaust ports of the manifolds have been optimized for optimal exhaust flow, which results in more complete combustion and better fuel efficiency. The smooth, polished surface of the ceramic coating facilitates the free flow of exhaust gases, reducing back pressure and allowing the engine to breathe more efficiently.
The HZ-9777-CER-SIL manifolds also come with studs and nuts included for easy installation. They are designed to fit both small- and big-block Chevy engines and are a direct replacement for the original factory manifolds.
This exhaust manifold set from Speedway Motors is the perfect solution for those looking to boost the horsepower and torque of their Chevy engine while adding a professional, polished look to their underhood. With their high-quality construction, optimal exhaust flow design, and durable ceramic coating, these manifolds are an excellent investment for any automotive enthusiast seeking to build a high-performance Chevrolet engine.
Chevy Cast Iron Exhaust Manifolds, model number HZ-9977-CER-SIL, are aftermarket exhaust manifolds designed for Chevrolet engines. This product can offer several benefits and drawbacks for vehicle owners, depending on their specific needs and preferences. Here are some pros and cons to consider:
Pros:1. Durability: Cast iron exhaust manifolds, like the HZ-9977-CER-SIL, are known for their robustness and longevity. These manifolds are less prone to cracking or warping, especially in high-performance applications due to their heavy-duty material.
2. Improved engine performance: Cast iron exhaust manifolds have better heat conduction abilities than their aluminum counterparts. This heat conductivity allows for more efficient exhaust gas flow from the engine to the catalytic converter, contributing to increased horsepower and torque.
3. Customizability: Aftermarket exhaust manifolds provide an opportunity to modify the exhaust system to enhance vehicle performance or meet specific emission requirements. In the case of the HZ-9977-CER-SIL, it can be used as a direct replacement or as a baseline for extensive customization.
Cons:1. Weight: Cast iron exhaust manifolds are heavier than their aluminum counterparts. The added weight may negatively affect acceleration and transmissions, forcing more fuel consumption.
2. Cost: Aftermarket exhaust manifolds like the HZ-9977-CER-SIL can be more expensive compared to OEM (Original Equipment Manufacturer) alternatives. While the increase in cost might initially be a concern for some buyers, the benefits may outweigh the investment over time.
3. Installation complexity: Installing aftermarket exhaust manifolds can be more complex than OEM parts due to the need for custom fabrication, welding, or drilling. It is crucial to ensure a proper installation and leak-free connection to the engine and catalytic converter.
In conclusion, while cast iron exhaust manifolds like the HZ-9977-CER-SIL offer several desirable benefits such as increased durability, improved engine performance, and customization opportunities, they also present some drawbacks like increased weight and complexity of installation. Ultimately, the decision to purchase these aftermarket manifolds should weigh the pros and cons depending on the vehicle's use, budget, and performance goals. If better engine performance, increased durability, and customization potential are top priorities, the HZ-9977-CER-SIL exhaust manifolds might be a worthwhile investment.
specifications maniheader:
- for models: Lt
- for makes: Chevy
- brand: Speedway Motors
- type: Exhaust Manifolds
- material: Cast Iron
- manufacturer part number: HZ-9977-CER-SIL
- item height: 4.800
- item length: 23.10
- item width: 13.400
payments maniheader:
- credit card: Discover
- wallet: Paypal
- other
seller maniheader:
- rating: 99.3%
- # reviews: 314379
shipping maniheader:
- transit: 5-5 Days
- type: Fixed
- cost: $0.00
- service: Standard, Expedited
- class: Standard, Expedited
returns maniheader:
- paid by: Buyer
- time: 60 Days
- policy: Returns Accepted
general maniheader:
- Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
- condition: New
offer maniheader:
- availability: In Stock
- sold: 0
- started: December 15, 2024
- options: Ship-to-home
- quantity: 3
Speedway Motors HZ-9977-CER Is Similar To:
- Speedway Motors Hz-9977-cer-pbk Fits Chevy Lt Cast Iron Exhaust Manifolds Black (90.6% similar) $255.99–$381.99. (December 15th, 2024)
- Speedway Motors Hz-9977-r Fits Chevy Lt Cast Iron Exhaust Manifolds Raw (90.1% similar) $255.99–$381.99. (December 15th, 2024)
- Speedway Motors 550915 Header Bolts 3/8-16 X 3/4 Inch Set/12 (45.7% similar) $14.99–$15.00. (December 16th, 2024)
- Speedway Motors 91013837-3.5 3.5 Inch Weld-on Header Collector 1 3/4 O.d. Primaries (35.6% similar) $38.99. (January 12th, 2025)
- Speedway Motors 550919 Header Bolts 3/8-16 X 3/4 Inch Set/16 (47.1% similar) $15.99. (January 12th, 2025)
- Speedway Motors 5509004 Header Bolt Kit Fits Ford Flathead (43.5% similar) $16.99. (February 14th, 2025)
- Speedway Motors 550917 Header Bolts 3/8-16 X 1 Inch Set/12 (47.8% similar) $18.99. (February 20th, 2025)
- Speedway Motors 9300332 Smoothie Rams Horn Exhaust Manifolds Chrome Fits Small Block Chevy (50.6% similar) $319.99. (March 21st, 2025)
- Speedway Motors 41811016 Big Block Chevy Header Flanges With Gaskets Bbc 3/8 Thick 396 427 454 502 (32.6% similar) $69.99. (March 31st, 2025)
- Speedway Motors 9300329-2 Replacement Hardware For Smoothie Rams Horn Exhaust Fits S/b Chevy (48.8% similar) $26.99. (April 3rd, 2025)
- Speedway Motors 91303828 Stainless Steel Allen Head Header Bolts 3/8-16 X 3/4 Set/12 (34.1% similar) $26.99. (April 6th, 2025)
