what are best for the sport engine? standard air box or induction filter?? i have an induction but still have the standard air box sat in my garage not sure whats best for the engine? opinions welcome.
The standard setup is an induction filter... all car's have an induction filter.
To answer what I think you're asking, unless you're going to couple a performance filter with a free flowing exhaust and remap, there's little benefit to be had with just the performance filter on its own.
does a free flowing exhaust mean a decat