Quietest Exhaust...
02-01-2009, 11:44 AM
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Quietest Exhaust...
What is the quietest muffler/catback out there for a 2006 Sierra 5.3L RCSB. I want something that is quiet as stock or a hair louder, but still flows enough cfm's. Even with LT's and ORY I want it to be as quiet as possible if that is even possible. I would prefer a catback for the ease of bolting it on, but if not which muffler would get me that result. Would magnaflow, jba be my best bet? Thanks guys.
02-01-2009, 01:15 PM
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X2, Exactly what you are looking for but very $$$. GMPP Touring is also a good candidate. I really liked the sound of the Hooker Aerochamber with my LT's ORY on my SS. Very deep burble, no drone, wicked at WOT. I DD it alot and it was far from overbearing. Get a 24" long Aerochamber welded in and I think you will get the sound and performance you are looking for without dropping alot of $$$...
02-01-2009, 02:37 PM
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I like the sound of both the Magnaflow and the GMPP Touring. Would Gibson be a candidate as well or do they not flow as well as magnaflow or other straight through mufflers like the GMPP systems?
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02-01-2009, 04:04 PM
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Borla,Magnaflow, and Corsa are your best bet. It will be hard to keep it quiet with longtubes though. Swapping out your stock muffler for a large case magnaflow or something similar would probably be the best choice for keeping the noise down. I know what you mean about bolting on a catback for ease of install. The quality and clean looks are worth it for the price of a catback, at least for me.
