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Post by y2daniel1981 on Jan 30, 2006 16:32:34 GMT -5
Well I got my ported exhaust manifold put on today, only problem was that a stud for the cat snapped off  So now I have to wait until the morning to get that drilled out and replaced  Hopefully after I get that fixed I can see some real improvements! I might also hollow out the cat while i'm doing the stud too |
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Post by Brian5475E on Jan 30, 2006 18:49:53 GMT -5
better use a O2 simulator on the 2nd O2 sensor if you hollow out the cat or you will get a check engine light and the ECU will go into Limp mode
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Post by y2daniel1981 on Jan 30, 2006 19:30:38 GMT -5
ok, i may hold off on hollowing the cat then, will it do the same for a highflow cat?
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Post by Brian5475E on Jan 30, 2006 20:37:37 GMT -5
just do this. goto autozone and get a anti fouler for a spark plug, I forget the size (there are 2 sizes) remove your 2nd o2 sensor. make sure you get a longer anti fouler and put it in the o2 bung on the pipe. next install your o2 sensor in the anti fouler. what that does is pull the o2 sensor away from the exhaust gas flow. So it picks up less reading and fools the o2 sensor that the cat is working. So no CEL. I would go with a high flow cat and eliminate the factory one, because the elbow at the bottom of the factory cat is really restrictive. I was gonna just put a new elbow on but the bend is too steep to make a good one. so I am going to get the header for the aveo. then use a hi flow cat. Let me know how it goes
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Post by subachad on Feb 14, 2006 23:53:44 GMT -5
update?
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Post by y2daniel1981 on Feb 15, 2006 18:13:45 GMT -5
i ordered a highflow cat from andysautosport. should be here next week then i'll get it on, get a new downpipe, and finish off the exhaust and i'll post how much gain i've got (approx. gain, not dyno numbers.) Who knows, I might even put a sound file of my exhaust up. (I'm also getting ready to make a short video of the car)
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Post by subachad on Mar 14, 2006 13:39:54 GMT -5
update?
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Post by y2daniel1981 on Mar 14, 2006 16:42:20 GMT -5
i have the highflow cat sitting in my backseat, i plan to have it on either this monday or monday the 27th
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whiteraven
Mid Grade Unleaded User
Aveo Innovator
Posts: 434
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Post by whiteraven on Sept 20, 2006 11:30:43 GMT -5
Wow... this is really old... but any updates?
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Post by y2daniel1981 on Sept 20, 2006 15:21:26 GMT -5
everything is on and working, ported EM, new flexpipe, highflow cat, everything on and sounding yummy, i believe my video i have posted has the completed exhaust on
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