Flowmaster 817725 American Thunder Cat-back Exhaust System

The Flowmaster 817725 American Thunder Kit has garnered a mixed reception among customers, particularly those looking to enhance their vehicle's exhaust sound without compromising too much on comfort. Many users praise the deep, authentic V8 sound that the kit produces, relishing the robust auditory presence it offers when accelerating. Those who appreciate a balance between loudness and daily drivability note that the sound level is indeed fun without being excessively obnoxious, especially at cruising speeds. Installation feedback predominantly highlights the ease of assembly, especially for those equipped with basic tools and some mechanical competency. While some users find the installation straightforward, others report challenges with the kit’s clamps, recommending aftermarket upgrades for a more secure connection. Customers suggest that a proper adjustment and potential welding may be necessary to ensure durability and avoid any rattling or shifting. However, significant issues have emerged regarding quality control. Several customers have reported receiving incomplete kits, such as missing essential components like exhaust tips and clamps, which can lead to frustration and additional costs when sourcing replacements. Concerns about the manufacturing quality have also been raised, particularly regarding rust on the components after minimal use. Ultimately, the Flowmaster 817725 American Thunder Kit has its advocates who revel in its sound and performance, though potential buyers should Consider other reviews and be prepared for some post-installation modifications and quality assurances. **