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dumped at the exhaust manifolds??

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Old Apr 21, 2008 | 12:04 AM
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candlelit's Avatar
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Default dumped at the exhaust manifolds??

Hey everyone. What are the cons of having no y pipe bolted to the stock manifolds?? Will I blow out the valves? Seems like I have to run it this way until I can get the new manifolds to start my turbo build, because the bolts in the manifold-y pipe flange are broke and stuck... machine shop wants $30/bolt to remove them. We just dropped the new engine & the manifolds left on them in the car tonight. What should I do?
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Old Apr 21, 2008 | 08:17 AM
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Are you talking about having no exhaust past the stock cats? Or the stock manifolds?
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Old Apr 21, 2008 | 08:29 AM
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you cant run the car with JUST the stock manifolds....you have to have front o2s
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Old Apr 21, 2008 | 11:11 AM
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Good God man! That would be loud! But you need a place for your o2's so it looks like you'll be shelling out the $30 a bolt
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Old Apr 21, 2008 | 10:34 PM
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um, if youre talking about nothing from past the cats you should be okay. if you dont even have cats on, then damn I dont know. ive heard you can burn a valve that way and also that would just be even more loud and obnoxious than just no exhaust. I ran it just manifolds and cats for a while until I got headers and it just sounds like an old truck untill you get on it.
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