The Dynomax hardware reducer is a must-have for any automotive enthusiast looking to upgrade their exhaust system. Based on our own experience we found that this small addition greatly improved both the performance and sound of our vehicle. The reducer is easy to install and fits perfectly with the other exhaust parts. The only drawback we found was the higher price compared to other similar products on the market .Overall, we highly recommend this hardware reducer for anyone looking to improve their performance car`s exhaust system..