cold air intake

list your most successful performance upgrades and your recommendations.. im looking to add some horsepower, but not spend hundreds on single digit gains.. Im looking into exhaust manifolds, cold air intakes, flywheels, and ecu mods.. but wanted to hear success/problem stories beforehand..

(~10 sets) Low Port Cold Air intakes. 1994,1995,1996,1999 USDMshould fit VE's too What you get: I didn't have time to install them so here's the mock up: Beautiful MAF Adapter: it's threaded so no nuts needed Piping: The couplers that i received didn't come out as dark as i...