When I tried this exhaust system, the sound was smooth and subtle. Not too loud, not too quiet... The stainless steel design LOOKS sleek and high-end on my performance car. The only downside was the installation process, which required some extra effort. Overall the Quiet Flow is an excellent addition to any car enthusiasts collection..
Pros
Quiet and smooth airflow
Cons
Expensive compared to other alternatives on the market
Haven't fitted this muffler in a long time so just a quick note on first impressions. It's SUPER quiet. It's for a 4 cylinder car so not much air flows through initially but my hearing is pretty good and I can't make out the exhaust blooper until I put my ear to a foot or so. Exit. What I can hear about everything else is the engine itself. That tells me this is one hell of a muffler and is worth the money if it lasts. In combination with the new flex/resonator assembly between the cat and the…