Hi there i was wondering if th 4H-Tech-PK4018-Shortshifter is worth fitting on the Renault Megane 3 RS-265, and does it really improve the gear shifting compared to the original? Link below. Thanks in advance https://www.ebay.co.uk/itm/4H-Tech-...288425?hash=item4b19510969:g:nZgAAOSwJIlak-AT