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07-06-2007, 12:02 AM
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Hummer Veteran
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Join Date: Jun 2007
Location: Fallbrook, SoCal USA
Posts: 68
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Flowmaster Super 40 Muffler
Anyone know what Flowmaster Super 40 muffler will fit the H3? 
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HUMMER, the Anti-Prius.
2006 Yellow H3
Who the heck is "RikRotorhead"?
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07-06-2007, 12:09 AM
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Hummer Veteran
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Join Date: Jun 2006
Posts: 126
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Re: Flowmaster Super 40 Muffler
Since it will replace the monster OEM muffler, anyone will fit. Had no problem with mine.
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2006 Slate Blue Metallic H3, FlowMaster exhaust, True Flow cold air intake system, Ground Force rear lowering kit, custom locking fuel door, chrome hood grill w/handle, US Speedo gauge kit (chrome and red numbers), Custom rear tire cover, chrome tail light guard, custom paint on skid plate, new pin stripping, USMC front license plate.  Semper Fi
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07-06-2007, 04:40 AM
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Hummer Veteran
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Join Date: Jun 2006
Posts: 126
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Re: Flowmaster Super 40 Muffler
I had then take off the restrictor as well, however, after about 30 minutes at 60 I had them put one back on. The noise gave me a headache. Now it is not to bad at all. Has a nice muffled hornet nest sound. I went to a local muffler shop for the install - $120.00. Including a stainless tip.
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2006 Slate Blue Metallic H3, FlowMaster exhaust, True Flow cold air intake system, Ground Force rear lowering kit, custom locking fuel door, chrome hood grill w/handle, US Speedo gauge kit (chrome and red numbers), Custom rear tire cover, chrome tail light guard, custom paint on skid plate, new pin stripping, USMC front license plate. Semper Fi
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07-06-2007, 05:39 AM
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Hummer Veteran
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Join Date: Jul 2005
Location: San Jose, Ca
Posts: 170
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Re: Flowmaster Super 40 Muffler
I like them loud! I had my stock muffler and resinator removed... Welded a 40-series flowmaster where the resinator use to be.. Its a single in with a dual out.. I have two turn downs after the muffler... I also installed a cut-out pipe before the muffler. So when I want to, I can run open exhaust (which I do most of the time)
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Mercedes-benz Technician
06 H3 Black, 5-Speed manual, Black Rock Crawl wheels, flowmaster 40-series with 2 turndowns, Lux and Off-road package.
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07-06-2007, 01:29 PM
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Hummer Guru
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Join Date: Jul 2006
Location: Stouts Creek
Posts: 4,192
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Re: Flowmaster Super 40 Muffler
Quote:
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Originally Posted by GotSandH3
I like them loud! I had my stock muffler and resinator removed... Welded a 40-series flowmaster where the resinator use to be.. Its a single in with a dual out.. I have two turn downs after the muffler... I also installed a cut-out pipe before the muffler. So when I want to, I can run open exhaust (which I do most of the time)
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How does it effect performance?
-MPG
-Acceleration
Later when its time for Vehicle State inspection. How do you pass?
Thx 
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"For God so loved the world he gave his only son that whoever believe in him would not perish but have everlasting life. "
(John 3:16)
2006 H3 Slate Blue,Header,Jacked,CAI,Toyo35's,HHO.
Priors...
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Commander
71 Vette
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07-06-2007, 04:14 PM
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Hummer Veteran
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Join Date: Jul 2005
Location: San Jose, Ca
Posts: 170
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Re: Flowmaster Super 40 Muffler
It does seem to have more performance but dont have any number to prove.. It for sure has more throttle response.... As far as SMOG, mufflers have nothing to do with that.... Every single car I'v owned have had performance mufflers and they all passed SMOG.
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Mercedes-benz Technician
06 H3 Black, 5-Speed manual, Black Rock Crawl wheels, flowmaster 40-series with 2 turndowns, Lux and Off-road package.
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07-06-2007, 04:19 PM
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Hummer Veteran
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Join Date: Jun 2007
Location: Fallbrook, SoCal USA
Posts: 68
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Re: Flowmaster Super 40 Muffler
Do you have the Flowmaster part number?
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HUMMER, the Anti-Prius.
2006 Yellow H3
Who the heck is "RikRotorhead"?
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07-06-2007, 09:31 PM
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Hummer Veteran
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Join Date: Jul 2005
Location: San Jose, Ca
Posts: 170
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Re: Flowmaster Super 40 Muffler
I dont know the part number... Its a Non-delta flow 40-series flowmaster. Delta Flows are not as loud.
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Mercedes-benz Technician
06 H3 Black, 5-Speed manual, Black Rock Crawl wheels, flowmaster 40-series with 2 turndowns, Lux and Off-road package.
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07-13-2007, 10:01 PM
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Hummer Veteran
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Join Date: Jun 2007
Location: Fallbrook, SoCal USA
Posts: 68
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Re: Flowmaster Super 40 Muffler
Ordered a Flowmaster Super 44 P/N 942547 from www.performancepeddler.com Used the code "ebay4e" and got it for $68 with no tax and free shipping.
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HUMMER, the Anti-Prius.
2006 Yellow H3
Who the heck is "RikRotorhead"?
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07-14-2007, 02:08 AM
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Hummer Veteran
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Join Date: May 2006
Location: near memphis
Posts: 103
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Re: Flowmaster Super 40 Muffler
i have the orginal 40 flowmaster on my 3
i love the sound
http://www.youtube.com/watch?v=YhfwNUYQgt4
one more rear pic w/ the 275/70/18 toyos a/t
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07 H3X Sonoma Red Metallic
3.7L Vortec I-5 engine- 242 horsepower, 242 lb.-ft. of torque
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Last edited by gr8hntr : 07-14-2007 at 02:15 AM.
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07-14-2007, 11:17 PM
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Re: Flowmaster Super 40 Muffler
Nice custom exhaust setup.  |
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