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Unread 12-25-2002, 01:20 PM   #1
klaybon
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Join Date: Dec 2002
Location: southeastern pa.
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flowmaster 40 series or 50

i just bought a 95 gc. i'm looking to get a 40 series delta flow muffler. i just want to know how loud it is on the inside of truck. i want the powerful flowmaster sound on the outside but if i can't hear the stereo without it being cranked it's not worth it.

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Unread 12-25-2002, 02:28 PM   #2
Devious
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It's not too loud at all, unless you remove the cat.
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Unread 01-06-2003, 10:47 AM   #3
KeNTeChNiCaL
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I use flowmaster 50 series and removed the cats.
Its not loud at idle but sounds off when into the trottle.
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Unread 01-06-2003, 04:43 PM   #4
ddoffroad
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you can check the specs on all flowmaster mufflers at www.flowmastermufflers.com. 40 series Original has best exterior sound...
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Unread 01-06-2003, 07:38 PM   #5
brad335
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Try a Dynomax

Try a dynomax, they fit factory without the extra hassle. Although I like Flowmaster much better than the dynomax, im happy with my muffler
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Unread 01-07-2003, 02:25 AM   #6
Need4Boost
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I have a 40 series and like it. It sounds really good at WOT and has a great idle.
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Unread 01-07-2003, 10:54 PM   #7
GreenJeeper
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Another Opinion

I had a single 2.25" Flowmaster 40 series Deltaflow and I thought it was awesome. Great sound outside. inside you can definitely hear it, but in a good way. its not loud enough to be an annoyance and with the stereo barely on, its almost inaudible at low rpms (with the windows up). Obviously at Wide Open, the thing blares. I currently have 2 40 series deltaflow mufflers and its definitely a good bit louder both inside and out. It can be intrusive at times but thats the price you pay for setting off every other car alarm. =)
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Unread 01-07-2003, 11:51 PM   #8
KeNTeChNiCaL
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Boy, do I love setting off those alarms!

Once i get a pic i'll show you all how I have it hooked up
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Unread 01-08-2003, 12:02 AM   #9
GreenJeeper
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No cats?!?

no cat?!?! have u ever gotten pulled over? Ive thought about going to 2 cats but not really no cats. I would think it was too loud. Do you like it, any way to describe it? Any fuel saving advantages or loses? please tell more
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Unread 01-08-2003, 01:16 AM   #10
KeNTeChNiCaL
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We don't have to do the smog test in Michigan anymore so off it went. 3 years now.


Fuel = no gain or defiecency. Or at least I haven't noticed
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