hi there having a few problems with dump valve i no lots of ppl said not to bother with them with ppl having loads of problems. the dump valve isnt causing problems just doesnt seem to be working. i had a gfb recirc one which fitted to sti intercooler which worked fine then installed fmic so blocked of recirc bit and fitted a greddy dump valve didnt make a noise then fitted a hks still no noise anyone had this problem at all cheers

 

Hi Daz

I would stick to the standard one matey.