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Thread: Front y pipe

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  1. 02-12-2012 01:54 PM #1
    gta87305
    gta87305 is offline Member
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    Front y pipe

    I want to do this swap in my 95 GMC Sierra regular cab stepside. I will most likely use a 5.3 but what have you guys been doing for a y pipe I would be using stock manifolds and try to put a cat in it somehow?
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  2. 02-12-2012 06:14 PM #2
    dothedew
    dothedew is offline Member
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    Not sure this is relivant, but I tried using the stock Y-pipe in an OOBS (73-87) and it wouldn't work due to driveshaft clearance. It may on a OBS like yours, if the driveshaft is on the drivers side. Even still it still hands down pretty low and may interfere. I ended up cutting mine just above the cats, using the flanges so I could connect to the stock manifolds, and built a custom exhaust of the flange ends.
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  3. 02-12-2012 06:55 PM #3
    gta87305
    gta87305 is offline Member
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    cool thanks thats what i figured i would have to do
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