Not to nit pick, but NA is naturally aspirated. Now, with that out of the way. I believe it'* welded to your fuel rail. If that'* the case you will need to pull the fuel rail and replace it. And that'* a easy process.
Disconnect neg bat cable
Depressuerize fuel rail
disconnect fuel lines
remove vacuum line.
remove injector clips
remove 4 nuts holding fuel rail down.
Blow area around injectors clean
Wiggle fuel rail loose, might take some effort
install new fuel rail in reverse order.
I think that should be it. Check for leaks
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1997,1998,2000,2005 year confused Bonneville SSExi. Stock? ish.
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