custom fabrication Tag

What ultimately makes for a “good” exhaust system? Is it the loudness of the exhaust? How it performs? What about how good it looks? Maybe its a combination of these that makes for a good system? We feel the custom exhaust we fabricated for this Maserati GranTurismo is a prime example of what makes for a "good" system, maybe even the Best Maserati GranTurismo Exhaust?