I was thinking of getting the turbosmart ones but then I heard the GFB ones with the whistling trumpets and dont know now lol
I do like the idea of just been able to open the bonnet and change from atmosheric to full recirc just by twisting the valve if they get anoying with the GFB ones
I've gone for the GFB ones, not heard what the Turbosmart ones sound like but the GFB get good feedback on GTRLife. Managed to pick up a pair whilst I was in the states nice and cheap!
If you are heavy on the throttle and then come hard off it you also get a big dump of air which is very audible. I quite like the fact that intake and turbo spool noise is quite loud on the gtr which means the dump valves don't sound too OTT and chav like.
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