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Originally Posted by skorpion317
i'm partial to the Ram Air, especially since it's more direct on the Firebirds. the horsepower gain will be negligible, at best 2-4 HP.
the main thing you need to get rid of is the resonator, the large black plastic piece that sits behind your airbox. also, get a new airlid. Whisper Motorsports makes one specifically for the 3.8L V6's. this will help free up some more horsepower. after that, the next mod to do would be a full exhaust system - headers, hi-flow catalytic converter, and a cat-back exhaust system.
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The Ram Air birds look cool, but the underchin air intake from SLP or Fast Toys seems to work better. I think LittleG gained almost 1/2 second and 2 mph in the 1/4 with it.
Exhaust will be a big help, but I wouldn't worry about headers just yet. Since you have an '01, you already have tubular manifolds. The Y-pipe could use some help, but just adding a cat-back should get you a nice increase.
- Justin