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synolimit · 07-31-2015, 02:48 AM

Z1 doesn't have steel wire inside to keep the shape so under WOT the tube doesn't collapse. I don't think it's a issue because it's really thick silicone. HPS I believe does have the steel wire. Only difference I know of.

07-31-2015, 02:48 AM	#35 (permalink)
synolimit A True Z Fanatic Join Date: May 2013 Location: Columbus, OH Posts: 5,051 Drives: 2013 Silver 370z Rep Power: 3388	Z1 doesn't have steel wire inside to keep the shape so under WOT the tube doesn't collapse. I don't think it's a issue because it's really thick silicone. HPS I believe does have the steel wire. Only difference I know of. __________________ 13 370z-