opps, sorry, missed that one. you are looking at 10-15 WHP over the cat'd and a 6-10 WHP gain over the catless. Remember though, adding a catless up pipe its not just about the peak gains, its about how fat it makes the powerband.
Quote:
Originally Posted by knucklesplitter
So what is the wall thickness now - 2mm or 2.7mm? Either way this is good, because 2mm or thicker wall is the way to get 304 stainless to reliably survive pre-turbo.
You should contact GST. I think they were having trouble getting aftermarket cross pipes to survive on their time-attack car (but that was a while ago too).
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the wall thickness is 2.0mm now. most up pipes on the market are only 1.5mm.
thanks for the info about GST, i'll get in contact with them.
Justin