My Custom CAI - '93 525i m50 Vanos
I made this kit for pretty cheap and it seems to work very well. I am very happy with the performance increase not to mention the engine now roars, sounds like a 2.5 porsche carrera to me. (If youve ever heard one of those before. they sound gooood.) All that it took to put this kit together was few pieces off Flea Bay.
1x 45* bend 3" diameter stainless or aluminum pipe
1x 9" straight 3" diameter pipe
2x 3" silicone hose clamps
1x Filter your choice I went with the weapon R foam filter with the built in velocity stack as well as a place on the front of the filter to hook up a ram air tube.
All you do is rip out that old airbox and attach the system straight onto the MAF the front piece of plastic that hangs down right behind the headlights will have to be modified to allow the new filter through. BTW I also coated my pipes in some roll on truck bed liner (gives a nice rubberized, relatively stock looking appearance.) let me know what you think positive or negative.
Reply With Quote