I also wanted a Quiet car and turning down my hearing aids did not cut it. Centerline Alfa years ago sold a custom exhaust made by MagnaFlo but it had been discontinued because the demand was so low. I even went to MagnaFlow to see if I could get one made, but I was turned down. Sector 111 discontinued its Helmholtz version. The first eBay listing will not fit as shown, the downpipe is not in the center. I did find a slightly used MaglaFlow on ebay and installed it. The pipes are a larger bore and the tone was deeper but still too loud for me. I had to solve this or the car was to be sold. I went to the auto parts store and purchased some flex tube used for exhaust repair. Cut two 14 inch lengths with a miter cut at the end that goes into the muffler. A set screw holds tubes in place, I believe I have the quietest 4C there is? GlennI think I go against the grain here, and prefer quieter exhausts over louder ones. The Race exhaust drives me nuts and I have to wear noise cancelling earbuds when on a drive of any length. What are my options for quieter systems? 1. The factory sport (non-Race) exhaust is said to be quieter. 2. The Novitec is valved with a quieter mode, but I can't find it for sale in the U.S. 3. The Quicksilver appears to be valved as well, but I can't discern if it is quiet and loud, or loud and louder 😄 Any other options I've missed?