E46Fanatics - View Single Post - Aussies "Mighty Car Mods" dyno-compare air filters (+ CAI) on cars (no BMWs)

TerraPhantm · 05-29-2012, 04:38 AM

Not surprised. I would imagine the intake manifold and/or the head itself are larger bottlenecks in most cars. The only car I've seen a filter make a big increase was the mazdaspeed 3

05-29-2012, 04:38 AM	#8
TerraPhantm Registered User Join Date: Feb 2008 Location: Mountain Top Posts: 4,880 My Ride: 2005 M3 Coupe View My Garage	Not surprised. I would imagine the intake manifold and/or the head itself are larger bottlenecks in most cars. The only car I've seen a filter make a big increase was the mazdaspeed 3