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flowmaster 40 series...

This is a discussion on flowmaster 40 series... within the External Engine forums, part of the LSx Technical Help Section category; anyone have this one their ls1? or heard it on anybodies? howd it sound?thinking about replacing my slp with it ...

  1. #1
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    flowmaster 40 series...

    anyone have this one their ls1? or heard it on anybodies? howd it sound?thinking about replacing my slp with it

    thanks

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    Senior Member karpetcm's Avatar
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    They sound good if you dont have headers and louder then some of the other mufflers but isnt the best flowing exhaust. Then again its not a big difference in how much you get to the wheels from just a mufflers. If you like the sound then go for it, down the road you want it louder put on a cut outs and call it a day.
    Last edited by karpetcm; 06-08-2009 at 11:34 PM.

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    Member 2000SSM6's Avatar
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    You will have to go with true duals or some other custom system if you want to run a 40 series. Those are the best sounding mufflers from them imo. I had a FM catback with the 80 series and that was a waste of $$$. For the price, go with another brand like Magnaflow, Spintech, etc.

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    cutting and welding mark21742's Avatar
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    where in PA are you? I'm running a pair of super 44's on my goat. headers, heads, cam and 3" true duals......i love them

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    Quote Originally Posted by mark21742 View Post
    where in PA are you? I'm running a pair of super 44's on my goat. headers, heads, cam and 3" true duals......i love them
    i live in lancaster, i have headers, ORY, slp exhaust, and a cam, but im sick of the rasp from the slp, wat kind of tone do the 44's have?

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    Member Sayed_000's Avatar
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    i have it on my car ...

    SOOOOOOOOO loud Specially with the Cam !!

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    cutting and welding mark21742's Avatar
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    Quote Originally Posted by Blackout99 View Post
    i live in lancaster, i have headers, ORY, slp exhaust, and a cam, but im sick of the rasp from the slp, wat kind of tone do the 44's have?
    the quiet the drone down i ran a set of 3" bullet mufflers of the headers then the 44's right off of them. its a nice deep tone, not too loud while cruising, but loud as hell when you get into it.

    I'm just out of Greencastle PA right off 81 near maryland line

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    Senior Member Zboner's Avatar
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    check out the 10 series you will love them

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    Now in Summit LT1 Flavor! Y2KArcticSS's Avatar
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    I love it. Sorry for the crappy vid quality, haven't had time to shoot new ones...

    Keep in mind I have mine dumped right off the muffler, and I have LT's and ORY

  10. #10
    cutting and welding mark21742's Avatar
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    you might want to look into putting a dynomax bullet muffler ($18 from summit racing) on the end of your Y pipe to quiet it down.
    if I get up that way or you make it down this way I'd be more than happy to let you hear mine to see if you like it

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    Quote Originally Posted by mark21742 View Post
    you might want to look into putting a dynomax bullet muffler ($18 from summit racing) on the end of your Y pipe to quiet it down.
    if I get up that way or you make it down this way I'd be more than happy to let you hear mine to see if you like it
    $18??? damn, summit is where i found flowmaster for pretty cheap to

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    Quote Originally Posted by Sayed_000 View Post
    i have it on my car ...

    SOOOOOOOOO loud Specially with the Cam !!
    haha yea it is, i just hate the rasp, my brother has the same set up on his head/cam lt1 and his car sounds awesome

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