I really want to boost my d15b7 but im really iffy because i dont want to blow it up lolit has been beaten on a little from the previous owner..... anyways i got a few questions about it.....What is a good safe PSI to run on a STOCK d15b7? i was thinking about 4 or 5 maybe? and the other thing is should i upgrade anything with this low of boost?

 

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The D-series was specifically engineered and divinely appointed to run 10 pounds.

 

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I ran 14psi on mine for a while b 4 it finally took a ---- and that was on a basemap. if it were tuned im sure it would have lasted alot longer. also whats to be scared of those engines are a dime a dozen, well atleast here in baltimore they are. deff. go for more then 5psi or else u probably will not be satisfied also i think even on just a basemap from xenocron it would last a long time on 10 psi. tuning is the key for longevity of an engine. check the compression if you dont know what kind of shape the engine is in after the previous owner.

 

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Okay cool...but what size of exhaust would i have to upgrade? i have a 2inch on there now with a 2000 gsr muffler can i use that? cause the downpipe im getting is 3 inch?

 

that would probably be fine it will be a restriction but wont hurt n e thing but a little power

 

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