hi, im new to to all this... whats TIP? iv just bought an s3, it had a superchip remap, then had a Milltek sports cat and cat back exhaust... would you recommend a stage 2 remap to get better gains from the milltek? and if so, anything else i should be uprating before i do this (other than fmic coz its too expensive lol) i live about 10mins from awesome gti.