hey guys i really need some help..
Originally Posted by ddubb
what do you mean no one in chicago good with evos...go to AMS in arlington heights. Look up their posts here or look at there own section under vendor info. They will know everything that you need to find out. Hope this helps you
haha lol, my bad when i saw that he was from Chicago and didn't know that AMS was here i didn't read any farthur, i had to let him know to check them out you know.
Originally Posted by timzcat
copycat.
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Evolving Member
Joined: Jun 2004
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lol thanks guys.....haha sorry im a little new to this ...but yeah...so high flow cat means turbo back? i dont get it...so if i want a full turbo back...and i ordered an hks hi-power exhaust...i just need a 3' downpipe? what kind of 3' downpipe? is there different ones too?
Evolving Member
Joined: Feb 2005
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A hi flo cat just means that you still run a catalytic converter in your exhaust system. Most downpipes eliminate the cat and will cause you to fail smog (depends on which state you live in). I would always try to run a cat, for our environment 
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