Quote:
Originally Posted by hardparker
My catted version isn't much, if any, louder in the cabin. Outside of the car, it sounds great. I'm going to gut my cat media soon to not have to worry about melting it with big boost on the PS2. I mostly wanted it for visual inspection anyhow.
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No no no don't gut it. That's worse for flow. From my friend Mike Kojima's(Motoiq.com) Honda/Acura Engine Performance book:
"Hollow Cats- Whatever you do do not remove or hollow out the catalytic converter of your street car. A hollowed cat can actually hurt horsepower as the empty box can cause flow stagnation, which effectively shortens the length of the moving gas column in the exhaust pipe. The empty box can also reduce important flow velocity. This is usually felt as a loss in bottom end power, although power throughout the range is affected."
What you need to do is get the straight UR pipe and sell the one you have to me.
(I'm serious)