cost is around 3000 (but i m not 100% sure), also hear its available 2nd hand only, car improve in every thing, good current flow smooth drive & you need no tuning, i drive my car without tuning like drive 10-15K then just get plugs clean only, mostly do plugs cleaning myself.now days my cylinder filled in 520rs (42rs/L)n it give me 220-240 km , drive with care 60-80 speed, 145/70/12R tyre.