So I want to start to Tune My 2005 S, From What I have Read on Several Site's and here,

Engine is a good place to start, and the items to consider are:
Intake
Exhaust
Engine Managment (don't really know this one yet)
Pully Reduction (Voids Warrantee but gains most HP)

My Questionis on the Air Intake. Most Mention Cold Air Intake, and High Flow Filter. On this matter, is it either or? Or would you benefit from Both?

If anyone can help out with an answer,

 

I'm pretty happy with my ALTA CAI.

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Although I', still getting used to the whistle at around 3500rpm as mentioned earlier.

 

check out "ready to dyno AGS" thread( in the, performance mods:: drivetrain) good research there.

 

From my understanding it only voids it if they can link the pully to the actual problem.

 

I'm running the MyMini CAI #2 and .

All the CAI have much in common, if there is a standout in the MyMini its the ITG foam filter. Like others it access a secondary air source (vent below window), seals out the engine bay hot air and lets in the sweet supercharger whine.

Others to consider would be the JCW box and the Dinan box - both are enclosed boxes.

Alta seems to produce the most Hp which can only be atrributable to the silcon hose option. So if you go the Alta route go the complete route.

At the end of the day they are all good so go with what strikes your engine bay fancy

 

Are you supposed to use both:

a Cold Air intake and a High Flow Filter?

 

yes.

nice sig.