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07-07-2009, 05:11 PM
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Hummer Expert
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Join Date: Feb 2009
Location: Nashville, TN
Posts: 887
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Flowmaster
I've always been a Flowmaster fan, I've used them in all my Mustangs, I'm currently running 40 Series DeltaIIs in the Roush and sound insane, and the 44 Series in the Excursion.... Now I wanna beef up the sound in my H2, what's the best Flowmaster choice for a 6.0 that gives it a mean throaty sound? Not too quiet, but not too loud?
Thanks for your comments in advance.
__________________
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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07-07-2009, 08:54 PM
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Hummer Expert
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Join Date: May 2007
Location: PHOENIX AZ
Posts: 681
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Re: Flowmaster
If your after Power than a Slowmaster is not the way to go ,if you want the Slowmaster sound you can get a Cherry bomb chambered muf that makes slightly more power with the same sound ( DRONE).
__________________
A government big enough to
give you everything you want, is
strong enough to take everything
you have.
-- Thomas Jefferson
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07-07-2009, 09:31 PM
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Hummer Expert
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Join Date: Feb 2009
Location: Nashville, TN
Posts: 887
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Re: Flowmaster
I'm open for any suggestions, what do you recommend? primarily I'm looking for sound, but more power would be nice too
__________________
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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07-08-2009, 12:41 AM
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Hummer Expert
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Join Date: May 2007
Location: PHOENIX AZ
Posts: 681
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Re: Flowmaster
Long tube headers ,high flow cats and a mandrel bent cat back system will give you power and sound . a cat back made to fit system will be and easy install and give you good clearence . check out Dynatech long tubes ,a lot of guys like Magnaflo . pick one you like the sound of and the long tubes will make it even better.
__________________
A government big enough to
give you everything you want, is
strong enough to take everything
you have.
-- Thomas Jefferson
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07-08-2009, 06:45 AM
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Hummer Authority
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Join Date: Nov 2004
Location: Little Rock, Arkansas
Posts: 1,784
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Re: Flowmaster
I'm a flowmaster fan and find the small diff. in power if measurable is not enough I worry about. My rig is built and being built for HP/spd. so I try to grab any HP I can get worth the money but, relieving to much back pressure can work against you. I run full stainless long tube dynatec catback sys. with flowmaster super 40's and sound great. Cruise is deep but, not bothersome. When I jump on supercharger there is no mistake you hear it. They came out with the 44's the next year and if I had not had my full sys. header to tailpipe Jet Hot coated in polished look I would have tried 44's.
TAZ
__________________
05 H2 SUV cus. paint, Magnuson SC 6/12lb boost, cowl hood scoop, 12" dash touchscreen, GM elec. fans, HPTuners.com tuning soft., Dynatech headers dual catback exhaust Jet Hot chrome front to back Flowmaster Super 40's, Diamo 8 Karat rims & 325X60-20" Toyo, 4 OEM Captain seats Katzkins leather, rear console computer inside running all AV/NAV etc., Infinity component system 3 amps Tsunami Caps, rear flip down 12" monitor, headrest monitors, overhead console boost, fuel pressure, & A/F ratio gauges
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07-08-2009, 03:48 PM
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Hummer Guru
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Join Date: Jan 2004
Posts: 7,060
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Re: Flowmaster
CORSA SPORT with single tip! Great sound, a little power. easy install. off road tip available as well. no tips to come down on off road this way. They are about 1K though.
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TAIL RATED!
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07-08-2009, 06:43 PM
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Hummer Veteran
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Join Date: Aug 2007
Location: Parsippany NJ
Posts: 32
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Re: Flowmaster
I have the Edelbrock Headers and the Flowmaster 4 inch cat back I love the sound of it
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07-08-2009, 08:22 PM
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Hummer Expert
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Join Date: Feb 2009
Location: Nashville, TN
Posts: 887
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Re: Flowmaster
sweet! Thanks guys.... would I be asking too much if anybody has any sound/video clips of your exhaust sound?
I looked on Youtube but didn't find much surprisingly.
Thanks!
__________________
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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11-10-2009, 12:55 AM
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Hummer Expert
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Join Date: Aug 2006
Posts: 925
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Re: Flowmaster
What about just adding a QTP Exhaust Cut Outs or just the headers with the stock exhaust??
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11-10-2009, 05:35 PM
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Hummer Veteran
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Join Date: Jan 2008
Location: Hot Springs, Arkansas
Posts: 151
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Re: Flowmaster
I have the Flowmaster "big block" on my H2 and I love it. Apparently, the "big block" is made for the GM 6.0 and 6.2 motor. Also, the case is large enough that it cuts down on the "drone" problems with running a smaller muffler.
I highly recommend one.
DUCK
__________________
2003 H2, Lux & Adv Packages, Cognito 3" front suspension lift, Gobi Stealth Rack w/ Ladder, Navigation, twin Optima battery setup, AirRaid Intake, Granatelli Mass Air Flow Sensor, Flowmaster Big Block II Exhaust, Diablosport Predator Programmer,Cognito Pitman/Idler Arm Kit, Fabtech Tie Rods, Rancho RS 9000 shocks, Warn bumper and 9.5x winch, Warn light bar, PIAA's everywhere (14), everything blacked out, and rollin' on 39.5" Super Swamper IROKs on black powdercoated stock wheels.
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