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JL1RX7 · 03-22-2008, 11:29 PM

Ted has it right. If you were looking for some huge horsepower numbers and all of that, then yes it will do something. But I doubt you would be able to tell on the stock s4 n/a engine more than what your "friend" did by removing the cats.

03-22-2008, 11:29 PM	#8
JL1RX7 Rotary Fanatic Join Date: Feb 2008 Location: Front Royal, VA Posts: 487 Rep Power: 18	Ted has it right. If you were looking for some huge horsepower numbers and all of that, then yes it will do something. But I doubt you would be able to tell on the stock s4 n/a engine more than what your "friend" did by removing the cats.