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05-12-2010, 01:32 PM #1
- Join Date
- Apr 2010
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- Chicago
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- 77
Black- 1998 Firebird Formula
Hey guys im buying parts and need input
hey guys alright so i have headers to ORY pipe to 3inch pipe to 3inch pipe over the axle now what i need is...
an axle back exhaust muffler and tips
im looking for flowmaster or magnaflow perferably magnaflow
but i was wondering where is the best price or if anyone has any used exhaust
and DONT need a full catback just mufller and tips. also what size is our mufller?
18"
15"?
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05-12-2010, 01:39 PM #2
- Join Date
- May 2009
- Location
- college station, tx
- Posts
- 2,557
sold: 1999 firebird- 1998 Trans Am
all i know is, definatly go magnaflow.
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05-12-2010, 05:35 PM #3
- Join Date
- Apr 2008
- Location
- Madison, WI
- Posts
- 7,006
1999 Formula WS6 M6-sold- 2001 Silverado Z71
Usually you'd just buy a catback. I don't think any makes an axle back. So you're looking at buying a muffler and tips and having someone weld up some pipes to connect everything.
IMHO stay away from the flowmaster junk
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05-12-2010, 07:01 PM #4
Find someone who has a flowmaster,magnaflow or other sideways mount muffler and have them measure it for you the just go to summit, jegs, or even ebay and buy a magnaflow in the size needed. I have a SLP Powerflo catcack so my mufflers our mounted front to rear. Then got to afterthoughtsauto and get some corsa clones or check any local muffler shop and they usually have some decent tips. I had some chrome ovals before I did the catback.
1998 Trans Am 85k miles.
Bolt ons, MS3 113LSA cam, Circle D Stall, Tune, Modified WS6 style hood, Full Suspension, 6000k HID's, Clear Side Markers w/ Leds, Led 3rd Brake Light and 18" AR Staggered Killer Wheels w/ BFG KDW NT's.- Weekend Toy/DD
02 Trailblazer -Sold
09 Ram 1500 CC - Sold
09 Cobalt SS/TC - Sold
13 ram 1500 LoneStar CC 4x4 - Magnaflow, K&N,and more to come-DD/Toy
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05-12-2010, 07:23 PM #5
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05-12-2010, 07:27 PM #6
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05-12-2010, 07:34 PM #7
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05-12-2010, 07:44 PM #8
I thought all they had for our cars was the 80 series catback (american thunder)
alright I'll sit over hereLast edited by c5z28; 05-12-2010 at 07:46 PM.
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05-12-2010, 07:45 PM #9
- Join Date
- May 2009
- Location
- college station, tx
- Posts
- 2,557
sold: 1999 firebird- 1998 Trans Am
i think it has been stated, if OP is choosing between only magnaflow and flowmaster then the choice is obvious, magnaflow is arguably the most popular/best performing/best sounding muffler here(refer to http://www.ls1.com/forums/showthread.php?t=134810) while flowmaster the least, evenbelow SLP LM's, yeah, flowmaster is worse than an SLP exhaust product. i think that alone says enough. (edit: p.s. i have SLP LM1, so, no need to 'educate' me)
not meaning to start a debate thread go there ^ if you want to argueLast edited by justinmc978; 05-12-2010 at 07:48 PM.
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05-12-2010, 07:56 PM #10
- Join Date
- Nov 2006
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- Broken Arrow, OK
- Age
- 49
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- 23,345
Pewter metallic- 2000 Camaro SS
Best sounding/best performing are really opinions. Most popular is debatable as well. When it comes to a muffler, the owner should go with which sound they like best. That's the main purpose of a muffler, sound/tone. Between mufflers, you really aren't going to see that much difference in performance, just like with a lid. Now I will say the 80 series Flowmaster has shown to hinder flow/performance, but other than that, you are maybe talking a few HP difference between all the others, and that could just be the difference in dynos or the difference between each dyno run. But again, the OP did not specify an 80 series or whether he was thinking of another Flowmaster.
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05-12-2010, 10:29 PM #11
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05-13-2010, 07:58 AM #12
- Join Date
- Apr 2010
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- Chicago
- Posts
- 77
Black- 1998 Firebird Formula
Ok found somethings! Will they fit?
K SO I FOUND A COUPLE MAGNAFLOW MUFFLERS AND SOME TIPS WILL THESE FIT?
I ALSO ALREADY HAVE A 3INCH PIPE GOIN OVER THE AXLE WHAT ELSE WOULD I NEED?
MagnaFlow 12198 =100.00
{THIS ONE IS AN EBAY MAGANFLOW JUST WONDERING IF IT WOULD WORK?}
http://cgi.ebay.com/ebaymotors/MAGNA...Q5fAccessories
MAGNAFLOW TIPS
MagnaFlow 35138 =40.00Last edited by Cutlass; 05-13-2010 at 04:23 PM. Reason: Removed nonsponsor direct links
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05-13-2010, 04:24 PM #13
- Join Date
- Apr 2008
- Location
- Madison, WI
- Posts
- 7,006
1999 Formula WS6 M6-sold- 2001 Silverado Z71
Please don't post direct links to non sponsor websites.
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05-14-2010, 12:01 AM #14
- Join Date
- Sep 2009
- Location
- Houston , Texas
- Posts
- 570
Metallic Pewter- 2002 SLP Firehawk
why so cheap?? i would go for the magnaflow that is meant to go on our cars unless ur doign somethign custom i didnt read from the top so im guessing ur just bolting on, ill throw a clip on here if u wana heare a tone, plus go to ls1sounds u will see the different tones between flowmaster and magnaflow there
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05-16-2010, 10:14 PM #15
I have a question with the SLP Poewr Flo problem. Sonds deep only loud at WOT and looks great withg corsa clone tips. Everytone cries about how graeat Magnaflow is but the if you want the best get the GMMG or stailess works chambered setup.
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05-19-2010, 07:00 AM #16
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05-23-2010, 02:57 AM #17
We were talking about the best and a few hundred over a Magnaflow kit. The powerflon kit soi=unds grsaet but if younwanta acheap weld in flowmaster 80's sound good as long as you have cats or there raspy, magnoflow is a deeper mellow tone, or you could try to get a dynomax haven't heard an LS! but sound awsome on 5.0's. The hooker muffler is ok but most people I know who have them liked them till the cats came off. Slp powerfo and magnaflow are the same idea just different wats to get the sound. As far as flow rate unless your building an all aout track car find one with a sound you like, try you tube and other members for sound clips.
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