Diagram provided by Max Cottrel

Instructions taken from a recent post from Bob Forrest

It seems to have more effect on the base models (not applicable for turbos), and yes, it is a noticeable boost in low-end power. There's also a slightly louder intake sound at WOT, which is totally logical, since that's the reason it's there in the first place-- to lower the pitch of the intake sound to make the car 'Stealthier'. All you need is a Phillips screwdriver, and there's really nothing to screw up, unless you forget to plug something back in... The concept is simple: below the intake hose, between the engine and the battery, is the resonator, which resembles a kind of squarish 'bottle'. Your mission, (should you choose to accept it), is to remove the bottle and plug up the hole it leaves, then reattach everything. Here's how...

1. Unscrew the intake hose clamp just past the Mass Air Sensor box attached to the air filter, and pull the hose off.

2. Lift the hose up and you'll see the resonator bottle.

3. Loosen the clamp around the neck of the resonator bottle and pull the bottle out; (there's also a little nipple at the other end of the bottle that plugs into a hole in a plastic bracket on the underside of the hose-- pull that out too).

4. Stick a vitamin bottle cap, or anything that makes a snug fit into the hole where the resonator was, and tighten the clamp back up. Make sure it's a good seal-- you don't want any unfiltered air getting into the throttle body.

5. Reattach the intake hose to the MAS box and tighten the clamp. You're done!

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