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03-28-2012, 10:43 PM
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#1 |
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Registered User
Join Date: Oct 2011
Location: Michigan City, Indiana
Posts: 158
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FlowMaster
I Bought New Flow Tech Headers For My 86 2500 with the 350 i got true dual original flow master 40s on their now but i think they are starting to lose their tone, i have been looking into the Flowmaster 10 series witch is louder than the 40s. i was wondering if any of you out their have the 10 series on your trucks and how do you like the sound and tone of it? post of videos if you have any i found some on youtube but their all on new trucks i wanted to know what it would sound like on a carburated motor thanks
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03-29-2012, 01:11 AM
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#2 |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: FlowMaster
Step one cut off muffler. Step two add big 5 gallon drum to tailpipe. Step three rev it up and bam that's a ten series
If your serious about sound that kills look into spintech Posted via Mobile Device
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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03-29-2012, 05:29 PM
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#3 |
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Registered User
Join Date: Nov 2010
Location: Windsor Locks
Posts: 628
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Re: FlowMaster
yep, spintech gets my vote.
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03-29-2012, 10:22 PM
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#4 |
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Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Re: FlowMaster
I heard a pair of 10 series on an otherwise stock 305 with an old cam shoved in it that was way to big for it. It was just a temporary motor for the truck so it could be driven. Anyway, it sounded really wicked. Certainly made that little motor sound much bigger and meaner than it was.
They are really loud though, about all they do is take the raspy element out of the open header sound.
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1977 GMC Sierra Grande |
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03-29-2012, 10:30 PM
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#5 |
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Registered User
Join Date: Sep 2009
Location: outside atlanta
Posts: 156
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Re: FlowMaster
on a 454 with 3 inch pipes all the way out they sound great..Loud but great
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officer,we weren't racing.. he was merely pacing me. |
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03-30-2012, 07:38 AM
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#6 |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: FlowMaster
waitin on ordered Flow 40s,for the 79-305........
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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03-30-2012, 08:10 AM
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#7 |
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Registered User
Join Date: Mar 2012
Location: Woodbury, Ct.
Posts: 1,673
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Re: FlowMaster
I have 40's on my 305 tpi with a little cam..It was so loud in my cab that I had to put resonaters in front of the mufflers to tone it down a little. I'm hoping after I chop off the 3" tailpipes and go with 2.5" that it might get a little quieter. They are banging on the rearend every time I run over a cigarette butt since the flip kit.
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