intake
I don't know of any aftermarket intakes besides the Renntech air box, but the stock system is pretty much ram air intake anyway, as it pulls air from the front of the car at the grille as is. I'd say if you gain at all, it would be minimal. Thats what I think at least...
some of the folks in the W208 forum have custom fabricated cold air intakes by using aluminum pipes from other cars (or they made some themselves) and sticking in a huge K&N cone filter....
they say the sound is definitely more aggressive and feel some added torque... but no one has ever actually Dynoed the results to see if they are real results...
You may want to start simple by modifying the stock components. Use high flow filters, insulate the stock box against under hood heat and increase the tube size from the grill to the box. Those 3 mods will give you the most bang for the buck.


