Pontiac Firebird 1967-2002 Birds of a feather flock together

Headers and Y pipe suggestions

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Old May 31, 2015 | 07:11 PM
  #21  
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I had some fitment issues with my SE ORY as well. It was resting on the corner of my trans cross-member, so we had to beat it with a hammer to give it enough clearance to where it was not constantly resting on it. Kind of sucked having to take a hammer to new parts but oh well.
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Old Jul 15, 2015 | 10:27 PM
  #22  
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I got the 1 7/8 TSP headers and catted y pipe installed, what a pain in the ***! Sounds pretty good and not as loud as i though it would be with the SLP loudmouth 1, which is what i wanted. Now i have a loud chattering noise under the car that i can hear from inside the car at different revs. I found the headers are rubbing on part of the front end so im gonna have to beat the headers down a little to keep it frm touching. Next mod, cam upgrade!
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Old Jul 15, 2015 | 11:52 PM
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Originally Posted by luilui
I got the 1 7/8 TSP headers and catted y pipe installed, what a pain in the ***! Sounds pretty good and not as loud as i though it would be with the SLP loudmouth 1, which is what i wanted. Now i have a loud chattering noise under the car that i can hear from inside the car at different revs. I found the headers are rubbing on part of the front end so im gonna have to beat the headers down a little to keep it frm touching. Next mod, cam upgrade!
We ground my drivers side k-member slightly to clear more and that side was good. Passenger side looked great however when driving the "torque" would twist the motor and cause "pinging" on the side. I have swapped to ploy motor mounts and seems to help more with that however still getting slight touching at times as I think i am still hearing it.
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Old Jul 15, 2015 | 11:54 PM
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Originally Posted by juSStin4171
What is wrong with the ORY? Why/where did it not fit right?
The issue I had was mainly with the pipes connection to the header collector. We were able to get the one side on fully but if we did that the passenger side never lined up. We ended up sliding back (lots of grab still on collector) until we were able to get things together. I had a connection where it was really loose and the clamps that were sent with it were worthless so I ended up spending another 75.00 for better quality double bolt band clamps that tightened it all up better as I was not going to weld any of it together.
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Old Jul 16, 2015 | 12:36 AM
  #25  
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Any problems with ground clearance on lowered cars?
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Old Jul 16, 2015 | 03:23 AM
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YES Have scraped both both collectors and sometimes the ypipe. I will try and get a picture uploaded. I am lowered 1.5" if i remember correctly
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Old Jul 17, 2015 | 01:15 AM
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Not good. Was going to order lowering springs, and headers are in my future plans.
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Old Jul 23, 2015 | 07:49 AM
  #28  
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Good feedback fellas! Gonna take the car to a shop and lift the car up to see what exactly needs to be modified, I can definitely hear the noise when I am making right turns. Didnt really see any fitment issues on the passenger side so hopefully it will be an easy fix!
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