chaudhry: walton road after defence turn,, near mosque.. aridsoul can guide better.
wasay: 104 octane booster is brand name. that is keep engine's fuel passages cleaner.. that's all, this one costs like Rs.1500/-
cleaner engine means better drive.
A Rs.150/- STP fuel cleaner "white bottle"also helps control engine knock,, i havent heard results of the brands you mentioned.