Quote:
Originally Posted by mikefocke
This always bugs me.
We have cold air induction on every Boxster from the factory. We take air into the engine from outside the hot engine compartment so the air is cooler/denser.
What you guys are talking about is a low-restriction air filter.
Of course with low restriction comes a downside, more and larger particles of dirt get into the engine. Seen two tests by independent test facilities.
Also I've had tuners with no axe to grind or $ to gain by selling me something tell me the stock air filter is just fine for about everything but a highly enlarged/modified/tracked motor.
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I still have the standard air filter in my system, only changed the intake pipe.
The Porsche offering has a muffler to cut down the induction roar, I replaced it with a straight through pipe as per my previous posting. It's a little larger diameter, aluminium instead of plastic and no restricting muffler arrangement.
Sounds good at full throttle.
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