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Old 11-02-2008, 01:28 AM   #190
07FocusST
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Join Date: Aug 2007
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Location: Bremerton, WA
What I Drive: 2007 Focus ST

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I can imagine.... 3" exhaust can get loud, LOL. I will be using a 3" 90* elbow coming off the turbo and run into a 3" flex pipe, then reduce to 2.5" 45* under the firewall then reduce to 2.25" at the 2 Bolt flange into the cat-back. I will also be using my factory cat-back. ST's came with the lunchbox muffler deleted from factory. I will be left with one cat and my OBX muffler. This setup should be suffice. Looking to stay at 10PSI. How long did it take your tuner's to get your tune perfect? I am hoping mot too long.

I also pulled my factory manifold assembly last night. What a PITA! I told myself before I started to do it that is was going to be hell to put back in. I was wanting to see what I was dealing with back there. After the manifold assembly is gone there is alot of room to work with. I am sore ass hell because of doing all that in 2 hours.
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Quote:
Originally Posted by hypnoticracing View Post
foci's came without rear brakes? i guess mine is special with its drums
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