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04-26-2010, 06:32 PM
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Hummer Veteran
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Join Date: Oct 2009
Location: collins,ny
Posts: 90
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muffler
can anyone help me with this.....I`m looking to put a Flowmaster 50 series big block muffler on,a dual 2.75 in & 2.50 dual out.Is this a good choice? will this give me a nice sound? Can someone suggest another Flowmaster to use.I just want the Flowmaster.I`ve looked through out the site a found little info on Flowmasters.thanks.
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04-26-2010, 08:29 PM
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Hummer Veteran
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Join Date: Apr 2010
Posts: 35
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Re: muffler
Go with the 50 series. Deep throaty sounds. Getting this put on my rig Friday.
__________________
'07 SUT w/LUX. 37" ProComp Xtreme Mud Terrains - Flowmaster 40 Series w/ dual tips - Delta 10X Light Bar - 6,000K's - E&G Fender Flares & Splash Shields - Guard & Some lights -
Coming Soon: Fabtech 6"
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04-27-2010, 01:15 AM
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Hummer Veteran
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Join Date: Jan 2007
Posts: 167
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Re: muffler
I was very close to putting a 50 series with resonator on my H2. Ended up going with the Magnaflow. Was afraid of the drone at highway speeds.
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04-27-2010, 01:39 AM
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Hummer Expert
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Join Date: Feb 2009
Location: Nashville, TN
Posts: 887
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Re: muffler
50 is really quiet for my taste, I put Super40s on mine, here is a video to show you "sorta" from outside:
http://www.youtube.com/watch?v=KNeKBzGdOwM
__________________
2003 Black H2:
Blacked out,7" lift,40" Pitbull Rockers, 20x12 Fuel Octanes and lots of more junk, DemonGuard Brushguard
2006 Blue H2:
20x12 black Rockstars & 35"s. missed.
2005 Black Mustang Roush Stage 1 #05-1058:
Showcar, Procharged 580HP, 20" Gianelle's, Prokit, 1/8 in 7.56secs.
2009 Silver Cadillac CTS Premium
White interior, lots of future mods.
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04-27-2010, 02:27 AM
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Hummer Veteran
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Join Date: Mar 2005
Location: East Setauket
Posts: 134
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Re: muffler
If you want a sick sounding truck go with the 40 series I had them on my Escalade and it sounded beastly. I have the dynomax 4" on my H2 and love the way that sounds as well its a straight through design.
__________________
"A clear conscience is usually the sign of a bad memory."
03 White H2
12 HID lights, factory lightbar, custom light bar for brush guard, OEM luggage rack, k&n intake, Gran MAF, 37" Toyo M/T's, 17x12 weld racing wheels, predator programer, Dynomax 4" catback exhaust,
02 10th Anniversary H1 #44 Will be missed 
94 Custom pearl white H1(work in progress)
Too many mods to list
06 kawasaki stx-15f
02 yamaha superjet
02 polaris scrambler 500
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04-27-2010, 02:51 AM
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Hummer Veteran
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Join Date: Jul 2005
Posts: 80
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Re: muffler
Was given a Flowmaster 50 series big block muffler. Put it on in place of the stock muffler and wasn't happy, much too quiet to fit the profile of the H2. Went with a custom Y-Pipe into a single 5" Dynomax Bullet as I prefer the look and function of the stock set up. Saved roughly 30lbs in the process as my stock muffler weighed in at 36lbs with the bullet being 6lbs. The sound is now incredible! 
__________________
2005 Black LUX
37x13.50R17 Toyo MT
Torsion keys. 2" rear coil spacers
2" wheel spacers
In Tune I2, Air Raid Filter, Air Raid MIT, throttle body bypass, straight pipe exhaust
Cognito UCAs. Kryptonite UCA ball joints. Kryptonite tie rods. Kryptonite death grip Idler. Moog HD pitman.
5.13 gears. E-locker front
Bilstein stabilizer
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04-27-2010, 03:20 AM
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Hummer Professional
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Join Date: May 2006
Location: las vegas
Posts: 301
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Re: muffler
on my 06 i had the flowmaster 70 series and it sounded good but quieter than stock.
__________________
scott j.
2008 h2 sut
2008 escalade
1969 charger
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05-07-2010, 03:39 PM
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Hummer Expert
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Join Date: Sep 2007
Location: Mason, OH
Posts: 779
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Re: muffler
Quote:
Originally Posted by Stellar
Was given a Flowmaster 50 series big block muffler. Put it on in place of the stock muffler and wasn't happy, much too quiet to fit the profile of the H2. Went with a custom Y-Pipe into a single 5" Dynomax Bullet as I prefer the look and function of the stock set up. Saved roughly 30lbs in the process as my stock muffler weighed in at 36lbs with the bullet being 6lbs. The sound is now incredible! 
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Can you post pics and vid/sound of this? I am with you on the stock set up. If you truly offroad your truck the stock exhaust tail pipe set up is the best. One tail pipe will have more pressure and keep water out better at deep crossings. Not to mention the way the tail pipe is cut so you cannot crush it closed when coming down off of a huge ledge. The H3 guys are constantly pinching their tail pipes.
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05-12-2010, 04:40 PM
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Hummer Veteran
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Join Date: Oct 2009
Location: collins,ny
Posts: 90
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Re: muffler
I tried down loading a video on you tube.Follow this link and I hope it works.
http://www.youtube.com/watch?v=fWsjnQ4_q-s
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