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Need help on buying a Borla XS exhaust.

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Old 04-01-2009, 02:16 PM
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Ok so I decided I am going to buy a Borla XS muffler but I need to know which size I need.
There are 5 models to choose from, each with different sizes.

Here is the link
http://www.borla.com/proxs/pages/mufflers.php

Thank you

-Krozi
Old 04-01-2009, 02:18 PM
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Originally Posted by Krozi' post='833346' date='Apr 1 2009, 05:16 PM
Ok so I decided I am going to buy a Borla XS muffler but I need to know which size I need.
There are 5 models to choose from, each with different sizes.

Here is the link
http://www.borla.com/proxs/pages/mufflers.php

Thank you

-Krozi
None of them, You WILL lose HP!! Get the RPi exhaust tuned for the 545. You will regret the Borla or Magnaflow...ask me how I know...
Old 04-01-2009, 02:46 PM
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Of the 5 options, the "Centered/Dual" seems to be right muffler for the job, just make sure it is the same diameter piping as the stock inlet! BTW, is there some reason you are not going for the RPI???
Old 04-01-2009, 03:01 PM
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Originally Posted by flyingpuck' post='833380' date='Apr 1 2009, 06:46 PM
Of the 5 options, the "Centered/Dual" seems to be right muffler for the job, just make sure it is the same diameter piping as the stock inlet! BTW, is there some reason you are not going for the RPI???
Yea there are 899 reasons

You don't even know how much I would like the RPI but I just can't afford it.
Old 04-01-2009, 03:06 PM
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Well that's valid, I'm sure you'll love the Borla too!
Old 04-01-2009, 03:09 PM
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Originally Posted by flyingpuck' post='833405' date='Apr 1 2009, 07:06 PM
Well that's valid, I'm sure you'll love the Borla too!
I sure hope so.

Is there a way to make it sound better in the higher RPM's?

A friend of mine has a Magnaflow Muffler with new piping on his X5 and it sounds MEAN.
Old 04-01-2009, 03:21 PM
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SCREW IT. I am getting the RPI exhaust.
I want a mean exhaust that is awesome in every way.
I am going to take the hit and get the RPI.
Old 04-01-2009, 03:30 PM
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Magnaflow does sound mean, just dont do quad, i think thats where the powerloss is happening. Take out the reasonators, put in a magnaflow muffler and you will be happy. Checkout the videos of different exhausts on youtube!
Old 04-01-2009, 03:35 PM
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Originally Posted by Krozi' post='833423' date='Apr 1 2009, 07:21 PM
SCREW IT. I am getting the RPI exhaust.
I want a mean exhaust that is awesome in every way.
I am going to take the hit and get the RPI.

Remus FTW

RPi
Old 04-01-2009, 03:46 PM
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Originally Posted by tbal' post='833432' date='Apr 1 2009, 07:30 PM
Magnaflow does sound mean, just dont do quad, i think thats where the powerloss is happening. Take out the reasonators, put in a magnaflow muffler and you will be happy. Checkout the videos of different exhausts on youtube!
I have seen every video worth watching basically.
I want a clean, refined sound, that is still growly.
I think RPI will be perfect. And all of the positive feedback suggests the same.


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