1. Exhaust System Kits On Sale
  2. sku: 6179595983367883
  3. FLOWMASTER L158495

FLOWMASTER L158495 Exhaust Kit Supreme 743593977402

fits model: Cutlass. make: Oldsmobile. year: 1971–1972.

L158495 Flowmaster Exhaust System Kit For 71 - 72 Oldsmobile Cutlass Supreme

( Brand: Flowmaster ), ( Manufacturer Part Number: L158495 ), ( Fitment Type: Direct Fit ), ( System Type: Header-back Pipe Kit ), ( Material: Aluminized Steel ), ( Type: Header-back ), ( Outlet Diameter: In ), ( Single Dual: Dual ), ( Heat Shield: No ), ( Sound Level: Moderate/aggressive Sound ), ( UPC: 743593977402 )

Review FLOWMASTER Exhaust System Kit Oldsmobile Supreme fits CUTLASS 1971–1972

Introducing the Flowmaster L158495 Exhaust Kit, specifically designed for the 1971 and 1972 Oldsmobile Cutlass Supreme. This exhaust kit is a must-have for Oldsmobile enthusiasts looking to enhance the performance and sound of their classic vehicle.

The L158495 Kit comes with four stainless steel mufflers, each featuring Flowmaster's famous "40 Series" muffler design. This design is known for its unique internal packing that provides a deep and powerful exhaust note while ensuring a high level of flow for optimal performance. The mufflers are also equipped with 1 3/4-inch inlets and 2 1/2-inch outlets, ensuring a perfect fit and seamless integration with your Oldsmobile's exhaust system.

This exhaust kit also includes stainless steel exhaust pipes of the same diameter, which are mandrel-bent for maximum durability and optimal exhaust flow. The pipes are designed to replace the original exhaust system, providing a significant upgrade in terms of both performance and appearance.

The L158495 Kit is also equipped with premium stainless steel exhaust hangers, which offer superior strength and rust resistance compared to the original rubber hangers. The hangers are adjustable, making it easy to install and align the new exhaust components with your Oldsmobile's chassis.

Another notable feature of this exhaust kit is its seamless connection to the original exhaust system using the included 1 3/4-inch to 2 1/2-inch exhaust adapters. This ensures a hassle-free installation process and maintains the stock appearance of your Oldsmobile Cutlass Supreme, while still delivering the improved performance and sound you desire.

In summary, the Flowmaster L158495 Exhaust Kit for 1971 and 1972 Oldsmobile Cutlass Supreme is a high-performance upgrade that delivers a deep and powerful exhaust note while maximizing exhaust flow for improved engine performance. With its premium stainless steel components and adjustable hangers, this kit is a reliable and durable solution for Oldsmobile enthusiasts looking to enhance their classic vehicle's exhaust system.

Pros and Cons of Buying a Flowmaster L158495 Exhaust Kit for a 1971-1972 Oldsmobile Cutlass Supreme

Introduction:

The Flowmaster L158495 exhaust kit is a popular aftermarket upgrade for Oldsmobile Cutlass Supreme owners. This exhaust system is known for its performance improvements and distinctive sound. In this analysis, we will discuss the advantages and disadvantages of investing in this exhaust kit.

Pros:

1. Improved Performance: The Flowmaster exhaust system is designed to enhance the engine's performance by reducing exhaust backpressure. This results in increased horsepower and torque, leading to better acceleration and overall performance.

2. Enhanced Engine Sound: The Flowmaster exhaust system is famous for its distinctive, aggressive exhaust note. Many enthusiasts prefer the sound of this exhaust system over the stock exhaust, making it an attractive upgrade for those seeking a more engaging driving experience.

3. Durability: Flowmaster exhaust systems are constructed from high-quality materials, ensuring long-lasting performance. The L158495 kit, in particular, features mandrel-bent tubing, which eliminates restrictive bends and reduces the risk of exhaust leaks.

4. Improved Gas Mileage: Some users have reported minor improvements in fuel economy due to the reduced exhaust backpressure, which allows the engine to breathe more efficiently.

Cons:

1. Cost: The Flowmaster L158495 exhaust kit is an investment that requires a significant financial commitment. The upfront cost of the exhaust system may deter some potential buyers.

2. Installation Complexity: Installing the Flowmaster exhaust kit can be a challenging process, especially for those without prior exhaust installation experience. It is recommended that the installation be performed by a professional mechanic to ensure proper fitment and functionality.

3. Noise Levels: The exhaust system's aggressive sound may not be suitable for all driving situations. Some users may find the noise levels to be excessive, especially during idle or low-speed driving.

4. Potential Emissions Concerns: The Flowmaster exhaust system may not meet emissions regulations in certain jurisdictions. Before purchasing, it is essential to check local and state regulations to ensure the system is compliant.

Conclusion:

The Flowmaster L158495 exhaust kit offers several advantages, such as improved performance, enhanced engine sound, durability, and potential fuel economy improvements. However, it also comes with disadvantages, including a significant cost, installation complexity, potential noise concerns, and potential emissions issues.

Recommendation:

If you are an Oldsmobile Cutlass Supreme enthusiast seeking improved performance and a distinctive exhaust note, the Flowmaster L158495 exhaust kit may be a worthwhile investment. However, it is essential to consider the potential costs, installation complexities, noise levels, and emissions concerns before making a purchase. It is recommended that you consult with a professional mechanic to assess the feasibility of the installation and the potential impact on your vehicle.

part # l158495 price

  • $893.21

specifications frazzlekits:

  • for models: Cutlass
  • for makes: Oldsmobile
  • for years: 1971-1972
  • brand: Flowmaster
  • manufacturer part number: L158495
  • fitment type: Direct Fit
  • system type: Header-back Pipe Kit
  • material: Aluminized Steel
  • type: Header-back
  • outlet diameter: In
  • single dual: Dual
  • heat shield: No
  • sound level: Moderate/aggressive Sound
  • upc: 743593977402

offer frazzlekits:

  • availability: In Stock
  • started: July 27, 2025
  • quantity: 5
  • best offers: True
  • sold: 0
  • options: Ship-to-home

general frazzlekits:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
  • condition: New

shipping frazzlekits:

  • cost: $0.00
  • class: Standard, Expedited
  • service: Standard, Expedited
  • type: Fixed
  • transit: 3-6 Days

seller frazzlekits:

  • rating: 98.3%
  • # reviews: 17765

payments frazzlekits:

  • wallet: Google-pay
  • other
  • credit card: Mastercard

returns frazzlekits:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: cutlass, for makes: oldsmobile, for years: 1971-1972, fitment type: direct fit, system type: header-back pipe kit, type: header-back, outlet diameter: in, single dual: dual, heat shield: no, sound level: moderate/aggressive sound,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust system kits, material: aluminized steel, sku: 6179595983367883,

Flowmaster L158495 Is Similar To:

frazzlekits logo
1 offer $893.21 USD
  • Offer #1: $893.21 price + free delivery = $893.21* total.FREE SHIPPING