Last flowmaster ? - Team Camaro Tech
Tech 2002 General Tech questions from 2002
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post #1 of 9 (permalink) Old Jul 29th, 02, 03:41 PM Thread Starter
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Location: Somers, CT
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As you know at my age my mother still has alot of say in the things I do. She "doesnt wanta loud exhaust" well it will be loud but I dont want to go extreme. If I cant get the Force II is the AT worth it, is it really that loud with the delta flow 40 series mufflers. I dont want to be deaf inside the car and dont want to **** of mom or the neighbors.

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post #2 of 9 (permalink) Old Jul 29th, 02, 04:21 PM
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Tim, Here's a link to flowmasters site and this is the 40 Delta series, in a rustang though. However, the interior resonance is just like mine

The original 40 series has a '69 Camaro with stock 350:

If you have an external sub are your com-puter they sound good


68 Camaro SS - 383, Edlebrock Performer RPM, Trick Flow 23 degree heads, edlebrock 750cfm carb, dynomax headers, Tremec TKO, 4.10 Posi
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post #3 of 9 (permalink) Old Jul 29th, 02, 06:10 PM
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Matt Jones
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My mother said my American Thunder was too loud, however, I don't have to worry about her opinion.

You'll be happy with the Force II system, and so should your mom.

1969 Base Camaro
Vortec 355, Perf. RPM, Demon Carb., TH-400
All sheetmetal is NOS GM
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post #4 of 9 (permalink) Old Jul 30th, 02, 01:53 AM
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Ahhh... Just get what you want! When you fire it up and it knocks her over... Say, "Yeah... Good thing I listened to you and got the quiet one!"

Jut kiddin' Broh! See ya' Sat!

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post #5 of 9 (permalink) Old Jul 31st, 02, 04:46 PM
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Check out these: go to "large case mufflers"
here's a quote from them "We designed our large case mufflers to produce maximum power with minimal noise. Steve Bielecki's GTO (pictured) runs 11.40's and the exhaust tone doesn't give it away"
From what i hear these are some damn good mufflers, so your mom and your engine will be happy with them
Flowmasters are designed for sound, so that they sound fast, they only flow 400cfm ea, as compaired to good mufflers which flow 2000cfm.
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post #6 of 9 (permalink) Old Aug 1st, 02, 03:25 AM
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if she hears some open headers first then she'll think the A/T is pretty quite

I have the A/T on my 67 with a 327 and a big cam,I didn't think it was to bad as long has your not on it to hard,she'll holler pretty good at WOT .

good luck!
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post #7 of 9 (permalink) Old Aug 1st, 02, 08:25 AM
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I know this has been discussed before, but CNC is right about Flowmasters having low flow ratings. Someone said Flowmasters were designed using "pulse technology" so that supposedly they flow less during a continuous flow test, but will flow the same as other mufflers on the car.

I was on a Rustang site doing some research for my brother and found that the Rustang crowd has seen flow restrictions using Flowmaster mufflers. Several people with supercharged cars gained a couple of lbs of boost and about 40 rear wheel HP by switching from Flowmasters to the Dynomax Ultraflow mufflers. This was on a 5.0 engine.

Pearl blue & white 69 Camaro with supercharged 350, Tremec TKO, and 3.73 12-bolt

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post #8 of 9 (permalink) Old Aug 1st, 02, 04:16 PM
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Just to mix things up... I've grown fond of the Dynomax Super Hemi Turbo's...! I have a friend that has em on his 468 cid 71 Chevelle and he claims that after doing the research they flow as good if not better then the Flowmasters with half the noise!

There going on mine next!

Make Mama proud and keep the neighbors happy!

Good Luck,
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post #9 of 9 (permalink) Old Aug 1st, 02, 05:21 PM
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Thanks guys, i usually get everyone and there neighbors hounding me after that comment "becuase they have flowmasters".
I do my research on each and every part, becuase i dont have the money to buy everything twice, and i've found that dynomax oval racemagnums are the alot better a muffler for less money.
My buddy has them on a 440 mopar with 3" exhaust and 2" tube headers and they are not loud, but they sound nice! Your mom should be happy with them and 2-1/4" or 2-1/2" pipes, there is no need for you to have 3" if you were wondering.
And if you want it quiet then the straightline performance large body mufflers are key.
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