Flowmaster 817602 American Thunder Cat-back Exhaust System

The Flowmaster 817602 American Thunder Cat-back Exhaust System has garnered mixed feedback from users, particularly vehicle owners with Chevy Silverados and GMC Denalis. Many customers appreciate the sound quality of the exhaust, noting that it produces a pleasant tone that is not overwhelmingly loud. The fitment is generally praised with most indicating there are no clearance issues during installation. However, several reviews highlighted issues with the clamps used to connect the exhaust system, particularly the initial clamp from the y-pipe, which seems to struggle with creating a secure seal. This has led some customers to recommend seeking professional assistance at a muffler shop, as they have experienced challenges in achieving a proper fit using the provided components. Furthermore, a recurring sentiment is that while the exhaust system offers commendable sound and fit for specific models, the value for money is called into question when customers compare it to purchasing similar components separately for less. In summary, while the Flowmaster American Thunder exhaust system boasts good sound and decent fit, potential buyers should Consider the installation challenges some have faced, as well as whether the price justifies its performance compared to alternative options. **