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Exhaust Drone Silencers Aren't All They're Cracked Up To Be
Aftermarket exhausts can produce a great sound and even improve performance - but sometimes the cost is an irritating drone at low revs. To eliminate drone, many systems utilize big generic silencers, and some owners try using sound-deadening materials. (Learn why sound-deadening is a bad idea in this post.) But like...
Sound Deadening For Exhaust Drone - Pros and Cons
Aftermarket exhausts are one of the most satisfying upgrades you can do to your car. They enhance performance and improve gas mileage. But best of all, they produce a great sound. A win-win situation if only it wasn’t for these two dreaded words: Exhaust Drone. Exhaust drone can spoil the entire experience, and...
Exhaust Drone Fix - What Can Be Done?
Exhaust drone can be a real problem that keeps you from enjoying the sound of your ride. It's a common issue with aftermarket exhaust systems and is most noticeable at highway speeds. Not only is it annoying, but if it's severe enough, it can potentially cause hearing damage. In this...
Helmholtz Resonators - What You Need To Know
Thermal R&D Performance has been manufacturing high-quality exhausts since 1983. Each system is developed with True Helmholtz Technology. This gives drone-free sound without compromising on performance. In this article we investigate the technology behind Helmholtz resonators, and we’ll share how decades of development have made us leaders in drone-free performance exhausts....