My 16v came with a 57i jobby, I absolutely love the noise the car makes but I think thats just down to the magnex exagerating the engine, 57i ads nice turbo sucky type sound but I think it hinders performance.
I seem to get more torque at mid/high revs in 3rd gear than in 1st or 2nd! which I think maybe due to the lack of air cold flow ariund the filter at low speed sometimes It pulls away crisply from start but sometimes seems flooded and sluggish if I floor it. Could just be that my engines knackered or perhaps theres a knack/skill I havent figured out yet ie gradual application of accelerator.
Would be good to get the car on a track to see if taking the bonnet off would make a difference, think Im just gonna buy a standard new filter and housing