UK-POLOS.NET - THE VW Polo Forum

if you don't get any joy threaten to go to national press they love stories like this, big companies do NOT. you might even get free stuff just stick to facts they can not argue (ones you have proof of and always get the full name of who you speak to keep a record of all of them. hope this helps ...

you could try http://www.ebay.co.uk/itm/BLUE-PERFORMANCE-CAR-AIR-FILTER-UNIVERSAL-INTAKE-INDUCTION-FITTING-PIPING-KIT/400710272394?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D39069%26meid%3D6c76fb44968c4f40b5a7f7ed640f5fdc%26pid%3D100005%26rk%3D4%26rkt%3D4 ...

don't know if this is your problem but have all engine mounts checked. is the clunk more noticeable if you boot it (accelerate hard from the off)

racing electronics claim you can get 85 ps with thier plugin unit from the 60ps block (get the standard air box ripped out first a universal induction kit is a must no more air no more fuel) this little box has a you tube vid.look up https://www.youtube.com/watch?v=Y-KXbCVbBbo