very loud when you drive, it loves the low RPMS. Reviewed in the United States on December 19, 2019, Great product sounds just like i wanted, installed on a 2013 cadillac escalade esv 6.2l v8, Reviewed in the United States on January 10, 2019. } It sounds great! Top subscription boxes – right to your door, Flowmaster 430402 3In (C)/2.5Out (D) 40 Series Muffler, See all details for Flowmaster 430402 3In (C)/2.5Out (D) 40 Series Muffler, © 1996-2020,, Inc. or its affiliates. newheight = "1800"; I was pleased from the first time I turned the key. without catalytic convertersVehicles with dual exhaust. I got installed a 10 Series Flowmaster muffler for my truck. newheight = parseInt(newheight) + 40; Read honest and unbiased product reviews from our users. This is a classic and iconic go-to muffler for all truck owners looking to convert to dual tailpipes and get that sweet, deep rumble. All Rights Reserved. Loud cold starts, quiets quickly. If you want a growl that will turn heads.. its definitely got it. It made my v8 sound like a v6. Loudest between 2000-4000 RPM. }); The most aggressive-sounding street and strip muffler in the Flowmaster product It dose drone when cruising down the road but it's a truck, don't like the sound buy a Prius lol, Reviewed in the United States on January 11, 2019. I like a mellow sound, and was very disappointed to find that the Flowmaster was way louder than my old blown muffler. It just seems to get quiet after i get over two thoudand RPM"s with my truck, but luckily it doesn't operate over that range too much. After reading several reviews I went with the Delta Flow Series After install and driving,it just wasnt as LOUD as I had thought it should have been. //-->, Filed under: