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09-18-2008, 02:58 PM #1
- Join Date
- Aug 2008
- Location
- Somewhere down in Texas
- Posts
- 66
Black- 1998 Z28 M6
What muffler to replace my Flowmaster?
The only performance modification to my car is a Flowmaster muffler welded into the stock pipes. I loved Flowmaster 2 chambers on all of my Mustangs, they sounded mean, but I'm not liking the Flowmaster on my Z28.
It has way too much "burble" I guess you would call it. Too much "blub blub blub" sound especially during deceleration. It sounds totally different than what it did on the Mustangs.
I've been told it is an 80 series muffler. I didn't even know Flowmaster made an 80 series until I got this car. Back when I was heavy into performance cars and racing they made 1 chambers(10 series), 2 chambers(20 series) and 3 chambers(30 series). Does that mean my muffler is an 8 chamber?
I want to replace it. I don't necessarily want anything louder, just better sounding. I'm going to get a cutout when I get my long tubes and y-pipe for when I want loud. I just want something that sounds better. Slightly louder isn't a problem, but I'd still like to have a conversation with my friends or wife when cruising with the roof closed and windows up.
The trick is, I'd like it to fit the factory catback pipes. I'd like to leave my tailpipes and i-pipe in place and just cut and replace the muffler. AND it still has to sound decent with my long tubes and y-pipe.
So what do you guys recommend?
Sound clips would be awesome.
Thank you in advance.
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09-18-2008, 04:45 PM #2
- Join Date
- Aug 2008
- Location
- Yuba City, California
- Posts
- 38
White- 2000 Pontiac Trans Am
I run a magnaflow and it sound great.
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09-18-2008, 04:45 PM #3
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09-18-2008, 05:06 PM #4
- Join Date
- Feb 2007
- Location
- texas
- Posts
- 96
red- 1998 chevy camaro ss
i have a direct replacement magnaflow muffler for sale if interested
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09-18-2008, 05:13 PM #5
I personally like the hooker aerochamber muffler. Check out ls1sounds.com to find your perference. BTW the 80 series flowmaster is in fact a 2 chamber.
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09-18-2008, 06:08 PM #6
- Join Date
- Aug 2008
- Location
- Somewhere down in Texas
- Posts
- 66
Black- 1998 Z28 M6
Thank you for the offer. I am going to try to check out some sound clips and see what I think of it first.
Thanks for the information. It sure doesn't sound like a 2 chamber to me. I just got back from a short cruise. I listened to it a lot and I'm just not liking what I hear.
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09-18-2008, 08:48 PM #7
- Join Date
- May 2008
- Location
- Verdigris, OK
- Posts
- 2,165
NBM- 99 z28
i always hear everyone bitching about how flowmasters sound on ls1's. i have a flowmaster super 40 and i like it.
http://s306.photobucket.com/albums/n...t=CIMG1455.flv
http://s306.photobucket.com/albums/n...t=CIMG1454.flvLast edited by Boomer Sooner; 09-18-2008 at 08:56 PM.
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09-18-2008, 09:12 PM #8
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09-19-2008, 05:55 AM #9
is it a 3" in dual 3" out? if so Id check out pypes exhaust. This is one of the only ones I could find.
http://s298.photobucket.com/albums/m...t=d3525885.pbr
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09-23-2008, 12:26 PM #10
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09-24-2008, 06:57 AM #11
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09-24-2008, 07:51 PM #12
I love my flow master super 44's they flow better and sound a lot better than the 80 series
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09-25-2008, 06:09 PM #13
i'm currently in the same boat you are man... I currently have a 80 series on my car right now... its super quite and sounds pretty gay... im thinking about just cutting off the flowmaster and seeing how that sounds!
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09-25-2008, 10:42 PM #14
stock manifolds and no muffler don't sound too bad, plus if you don't like the way it sounds your only out afew dollars for the strait pipe instead of $100 for a nice muffler you don't like.
but I can tell you there is a world of difference between the 80 series and the44's
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09-27-2008, 10:09 AM #15
- Join Date
- May 2008
- Location
- Verdigris, OK
- Posts
- 2,165
NBM- 99 z28
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09-27-2008, 01:01 PM #16
hooker aerochamber or magnaflow both are good.
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09-27-2008, 05:06 PM #17
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09-29-2008, 02:44 PM #18
yea im still in the process of getting rid of my 80 series for something else. I dont even know if its an 80 series... the guy at the muffler shop said it was when i took it up there... he said with no cats and its still that quite he was sure it was an 80. the 80 on my car is quite like stock even with no cats!
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09-29-2008, 03:08 PM #19
- Join Date
- Aug 2008
- Location
- Alton, Illinois
- Age
- 39
- Posts
- 186
Black as black can be- 2001 Trans Am WS6
I have an 01 WS6 with 6 spd and I went same route as you, my buddy has a flowmaster on his 98 Z28 and it sounds horrible, and I shopped around and had a hooker aerochamber installed directly in place of the stock pipe, all I have is slp lid and msd plug wires, and its sounds as good as I think it could sound without headers...its a very mellow rumble and going through 1st 2nd 3rd cruising when you get around 2000-3000rpm it sounds really awesome right before shifting....no sloppiness like the flowmaster or loudmouth, its very smooth but very aggressive when the pedal is to the floor...I ran 13.08 with just them mods and I dont know how lol.
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09-29-2008, 03:26 PM #20
- Join Date
- May 2008
- Location
- Verdigris, OK
- Posts
- 2,165
NBM- 99 z28
not trying to threadjack the OP. had a question regarding cutting off the muffler.
as mentioned earlier, i had my muffler cut off right after the rear axle(the u-shaped pipe), and just left it as is, looked just like a turn down tip. now if i were to have had some pipe fabbed up in place of where the muffler was, continuing out the rear that way i still had 2 tailpipes, would that have affected the sound/tone much?
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