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Magnaflow cat back users

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Old Dec 19, 2007 | 12:29 PM
  #1  
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Magnaflow cat back users

Which Magnaflow cat-back are you using?

LT1, LS1 ect? Part number would be great. Only minor mods are needed to fir a 3rd gen, right?

thanks
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Old Dec 19, 2007 | 01:27 PM
  #2  
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Re: Maganlow cat back users

I have the Texas Speed & Performance LS1 Rumbler . It was on when I bought the car, so I don't know many details on the fit, but it looks good. It was built for a LS1 car, and modified to fit my GTA.

Everybody seems to like it, but it's too quiet to me. My revs ranged from 2-3k.


Last edited by Stephen; Dec 19, 2007 at 06:23 PM.
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Old Dec 19, 2007 | 05:59 PM
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Re: Maganlow cat back users

i ordered a magnaflow muffler for my car thru a local dealer and he bent the pipes....installed it cost me $380
granted i dont have the chrome tips or the polished muffler but its the same
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Old Dec 19, 2007 | 06:01 PM
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Re: Maganlow cat back users

Originally Posted by Stephen

Everybody seems to like it, but it's too quiet to me.
im in the same boat...but im fabbing up true duals with hooker areochambers :-D
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Old Dec 19, 2007 | 06:02 PM
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Re: Maganlow cat back users

my sound clips in sig
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Old Dec 19, 2007 | 06:03 PM
  #6  
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Re: Maganlow cat back users

$380 for a muffler w/pipes bent & installed vs a pre-built, mandrel bent $225 kit? Did mandrel bend the pipes?

I don't think shipping woulda cost ya the difference.

Last edited by Stephen; Dec 19, 2007 at 06:25 PM.
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Old Dec 19, 2007 | 09:37 PM
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Re: Maganlow cat back users

Originally Posted by 89formula350b2l
my sound clips in sig
so whats the part number or system you used?

thanks
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Old Dec 20, 2007 | 03:12 PM
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Re: Magnaflow cat back users

I didn't want to deal with any type of modifications with the LT1 or LS1 setup so I chose to buy a pieced together magnaflow system off of Summit.

I bought the 2 dynomax 3" intermediate pipes, followed by the Magnaflow muffler meant for an LT1 car, and dynomax turndown tailpipes. I also purchased a 3" magnaflow hi flow cat.

My car still has the [puny] stock manifolds so its not really that loud. Its definitely much deeper and more refined but the system is pretty tame overall.
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Old Dec 20, 2007 | 03:42 PM
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Re: Maganlow cat back users

Originally Posted by Stephen
$380 for a muffler w/pipes bent & installed vs a pre-built, mandrel bent $225 kit? Did mandrel bend the pipes?

I don't think shipping woulda cost ya the difference.
it was mandrel and the exhaust that was on there was welded. But the guy that did put it on he made it into a 3 bolt flange. Did I get screwed....I think i overpaid yes but not as bad as some people. Where is this $225 kit?

btw I dont know how to weld, overwise I wouldve done it myself
----------
Originally Posted by 871LEIroc
so whats the part number or system you used?

thanks

I went to the exhaust shop and asked them if they carried Magnaflow products. I ordered through them. Pretty sure if you look up on summitracing.com, itll show u the polished one, but just take those dimensions and look up those for an unpolished one for 75-90 bones.

Last edited by 89formula350b2l; Dec 20, 2007 at 03:43 PM. Reason: Automerged Doublepost
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Old Dec 20, 2007 | 03:53 PM
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Re: Magnaflow cat back users

dynomax tail pipe- $40 x2
Dynomax intermediate pipes-$110+$65
Magnaflow muffler- $90

If I would've gone to summit, it would've been $345 plus shipping and hangers and blah blah blah.
----------
Originally Posted by 871LEIroc
so whats the part number or system you used?

thanks

Hey I looked up what I think might be the part number you are looking for
MPE-12288

try that

Last edited by 89formula350b2l; Dec 20, 2007 at 03:57 PM. Reason: Automerged Doublepost
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Old Dec 20, 2007 | 04:48 PM
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Re: Maganlow cat back users

Originally Posted by 89formula350b2l
Where is this $225 kit?
I posted the link above...

http://www.texas-speed.com
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Old Dec 21, 2007 | 02:54 AM
  #12  
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Re: Magnaflow cat back users

I bought a full Magnaflow cat back from a shop and everything costs about 500 out the door. thats with the stainless muff and chrome tips and hangers etc. they have to fab it all up cuz i emailed magnaflow and they told me they dont carry a kit for our 3rd gen applications. pricey? yea but cali is freaking expensive. go to the magnaflow site and type in your zip code and they will tell you the nearest authorized magnaflow dealer.
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Old Dec 26, 2007 | 04:21 PM
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Re: Magnaflow cat back users

Use the LT1 kit, it comes with an S bend to redirect it to the cat converter, its a slip fit, simply dont use that and order SLP's 3" single cat "adapter" its about a 45* bend, add your choice of flange and its done.
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Old Dec 26, 2007 | 06:42 PM
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Re: Magnaflow cat back users

Originally Posted by a mack6
I didn't want to deal with any type of modifications with the LT1 or LS1 setup so I chose to buy a pieced together magnaflow system off of Summit.

I bought the 2 dynomax 3" intermediate pipes, followed by the Magnaflow muffler meant for an LT1 car, and dynomax turndown tailpipes. I also purchased a 3" magnaflow hi flow cat.

My car still has the [puny] stock manifolds so its not really that loud. Its definitely much deeper and more refined but the system is pretty tame overall.
go this way couple months ago i posted all the part numbers to put this kit together. Ive owned slp powerflo and hooker catback heard edelbrock and magnaflow there all quiet no matter which one you get if u want a horrible sounding car but loud get a flowmaster best way to go for sound is true duals.
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Old Dec 27, 2007 | 10:43 PM
  #15  
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Transmission: 700R4
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Re: Magnaflow cat back users

I made some videos with my camera tonight. The windows were up, radio off. So I dunno why the background noise sounded like wind noise...

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