Review on π Flowmaster 15150S Universal Resonator: High-Quality 3X6 2.5" O/Oss 409S for Optimal Performance by Dan Cramer
Replaced factory resonators on my 2012 Chrysler 300 Hemi and .
Replaced the factory resonators on my 2012 Chrysler 300 Hemi and improved my car's performance and sound. I didn't have that scary "hum" at highway speeds
Pros
- Decent performance
Cons
- Can't remember
