Not as loud as I was hoping for but i'm still satisfied. i have 40 series on as well and wasnt loud enough after the first week or so. Feb 10 2015, 8:14pm. Feb 10 2015, 11:34pm. I want a nice deep throaty sound with some mpg and horsepower gain, any recommendations? Thanks in advance. 2014 Sierra Flowmaster Super 10 or Super 40. I was thinking a super 10 or 40 series 3 in 2.5 out. but my 40 series is plenty loud and aggressive for me. So not bad, he did some work for me over 10 years ago and they are still straight as an arrow and that truck has seen hell lol, The 10 is going to be obnoxious. by Bradley21sanders ยป Feb 24 2015, 10:06pm, sierra super right back flowmaster engine first nice still think silverado truck front, Users browsing this forum: No registered users and 9 guests. They have that chambered lopey growl to them like flowmaster only better. I'm trying to pick between the flowmaster super 10 or super 44 and just removing resonators. JavaScript is disabled. I have the super 10 on my 14 Silverado 5.3 I left my resonator on and it doesn't sound loud at all. I would go with a 40 like gonefishin did. 3"? I'd love a deep idle tone and at WOT I want it loud. Recommend checking out YouTube. If you like straight pipes then a 40 series won't be loud enough for you, trust me I have ran both on Chevy trucks. The 44 is the first muffler he said when I mentioned a deep, loud note. Flowmaster is a great sounding exhaust. JVC Arsenal KD, Bilstein 5100 adjustables [maxed], aFe Stage 2 Air Intake, Superchips 3865, Husky Floor Mats, Saddleman Camo Seat Covers, Flowmaster 40 Series Muffler SI/DO, 20 % Tint. flowmaster; 10; 40; super 44; straight pipe; highway; flowmaster 10; Reply to this topic; Start new topic; Prev; 1; 2; 3; Next; Page 1 of 3 . To me at WOT it is the best sounding muffler around. So other then the volume, can you tell much differance in the mufflers, tone wise? [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![])+(+!![]))/+((+!![]+[])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]-(!![]))+(!+[]+(!![])-[])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!! It just echoes through town with the windows down but even when your on the throttle heavy I can still hear a conversation or that stupid rattle that's behind the dash. to each his on, just as long as its a flowmaster. from what I read 44s are slighly more compact and louder and deeper then 40s but i could be mistaken. Re: 2014 Sierra Flowmaster Super 10 or Super 40. I'll post video once I'm done installing it this weekend. I was wanting to put an exhaust on my truck. I have dual 10's on my 2011 and absolutely love it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got a sierra 1500 couple months back and I finally saved up enough for an exhaust system. I have a friend that has the 40 series on his 2012 5.3 and it sounds pretty deep and throaty.