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Discussion Starter #1
So, i have the 2.0 Zetec, with the FS race header, flex, an intake, and the FS tune. My exhaust is a 2.25 HKS cat back. I get good power from everything i've done. But im trading a guy my HKS for his borla, which is 2.5. I just want to know how that'll work. Will i loose power? gain? be the same?
Let me know guys.
Thanks
Chris
 

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You could possibly gain a little power, but nothing noticeable. But I can guarantee you you'll gain the better sounding borla [:D]
 

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i guess that you would put on more horsey but not lose

i got a borla with a extra res, sonds nice!
 

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Discussion Starter #4
Alright sounds good. What about sound? Will it be louder or quieter? And I don't want rice!!!
 

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you def wont get rice!!! but you may lose a little off the line torque
 

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I just put the 2.5" Borla on my car, and it's actually fairly quiet. It's loud enough so you can hear it a little bit in the cabin of the car, but it's not annoyingly loud. You'll like it.
 

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you def wont get rice!!! but you may lose a little off the line torque
This man is correct. A good rule of thumb for exhaust: As the diameter increases, torque is lost and horsepower is gaines.
 

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Discussion Starter #9
Very good. So even though the borla has only one resonator, and i am running a header. NO RICE. For sure???
 

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its gonna be loud without a cat. but it should be a good loud.
 

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it definitely sounds good w/o a cat!!!
 
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