I have a 98 suburban 5.7 all stock. Im looking to to get a aftermarket exhaust just a muffler replacement. looking for something not too loud. I will use my vehicle for long driving and my wife dont want anything loud too. I was looking at a flowmaster series 50 or 70......I did look on youtube at some vids and did some research on this site but could not get a def. answer.....
It a hard question to answer,as everyone is looking for a different sound.You did not said if you had look on Flowmaster's site.There you can listen to sound clip of the different Muffler's.
http://www.flowmastermufflers.com/mufflers.html
I have a Flowmaster 50 series 3 Chamber,it has a nice rumble to it, it has a Great Sound.Hope this help's you out a little.
MIKE
99".....SILVERADO....5.3 LITER / 3.73
I have to recommend the Corsa Touring Exhaust if you are worried about sound levels when on the highway or when cruising... Corsa exhausts have NO drone so when idling or even cruising mode there is minimal sound. However When you get on the throttle a little you definitely make people's heads turn. I have the sport version on my truck... the sound of the touring series is a little more refined than the sport version. you can youtube vids or go to www.corsaperformance.com and check out their sound and video clips!
They also have just mufflers which are the same straight through design with no drone!
chevy ridin high
Fabtech/Banks ram Air
Fuel off road/ 315/70/17 duratracs
Hyper tech / Spencershids
15% Tint on front windows
20% tint on back three windows
Street Glow / extang tonneau cover
color matched bow ties
MBRP catback/Alpine
I like the sport but the touring is probably better(for the GF) because 1.) it's a little more refined sound, not as loud as the sport but def. stands out from all the other magnaflow/flowmaster type of exhausts. and 2.) superior cabin noise...or lack there of...
magnaflows are not that bad either. Low sound on the road good noise when in the throttle. Also a lot cheaper than corsa
08 silverado
4.8
K&N cai
single in dual out cherry bomb pro
leveling kit
custom painted bow ties
Bed liner
Tinted windows
20inch Cruser Alloy Switchblades
Goodyear Eagle GT2 285/50/20
1 truly heavy foot + Wait4meperformance SCT Handheld
100 shot of Nitrous Dyno tune system
SS front bumper
Matching painted front grill and bow ties

my magnaflow sounds effin awesome. im sure you can find a cheap used muffler on ebay.
i have turndowns
2004 4.8| Custom Paint| Tint| De-badged| Shaved Tailgate| Rollpan| Smoked Tails| Color Matched| Lowered 5/8| Suede Interior| Color Matched Interior| Indash & TVs| Mids-Lows & 2 12" CVRs| 500 & 1100 Interfires| Soundeadener| Outlaw CAI| Magnaflow|
Future Mods: 6.0 LQ4/9| Bags|
I had the Flowmaster 40 series with duals for a while on my Silverado, but when I pulled out of the garage at 6am, it woke my wife up...
So, I switched to the Borla single side. It it quieter at idle, but still makes a nice growl when I step on it.
I also had Corsa on a previous vehicle, and if I remember right, it has about the same sound of the Borla. I think I had the touring version - it wasn't too loud, unless I wanted it to be.
Thanks,
Steve
2011 Avalanche LT 5.3L
Imperial Blue Metallic, Corsa Touring Exhaust, Volant CAI.
i know this is very sad. but i have flowmasters on mine. i think theya re 50 series. i just went to the muffler shop and said i wanted true duals with flowmasters and i got them for $300. its not loud at idle nor at a cruise but they are a lil louder after you romp on it. i plan on switching it for 28 inch glasspacks though.
Lawrence LeeUnited States NavyEngineeering Another Change to my Truck.2004 2500HD Silverado with the DuramaxTo list a few mods 6" lift, 20's with 35'sRanch Hand bumpers front and rear w/ 16.5 warn winchMBRP Dual exhuast, Edge Juice with atttude....

Well I know this is of no help, but I'm running true dual pipes, no cats, and twin flowmaster 40's. Is somewhat quiet at idle, loud as hell when I press the pedal, and rumbles quite nicely on the interstate and highway.
2000 Sierra ext. cab
5.3, auto, power everything, Pioneer AVH-2300DVD, Kenwood door speakers, 2-10" MA Audio subs, eBay cai, 1 chamber eBay muffler exiting before tire, 245/75 16 Wrangler Armortracs, 6500k HIDs with relay kit
1995 Cheyenne C1500 ext. cab(my baby, my first truck)
5.0, 5 speed, Silverado appearance package, power nothing, bucket seats and console Silverado, painted black interior, eBay halo headlights, eBay chrome tails, eBay cai, dual Flowmaster 40's w/no cats, 15x7 American Racing Hopsters, Walmart fog lights, SS mirrors
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