[s13eater]

Originally Posted by paulsilv

http://cgi.ebay.co.uk/S12-Silvia-ZX-...item19b5462c67

Going to do a few track days and wondered if this makes a difference or not?

Is this one any good?

Has anyone any advice on this or is it a waste, and shoukd the money be spent anywhere else

i've got a spare brand new uprated one with the same pressure as that one for cheaper matey.