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About 2 months ago I put in the Cobb XLE bpv and it was working great, it would vent pretty loud when running it 50/50. About 2 weeks after that I upgraded my fuel pump internals (autotech) and after getting everyhing back together my BPV makes barely any noise when venting now. Between me and a couple other friends we have gone completely through everything that we know could cause it. Checked all the piping for cracks and being loose and found one cracked vacuum line but replacing that hasn't changed anything. Everything else seems to work ok and there's no other different noises in the turbo spooling or anything. Any help on this would be greatly appreciated, thanks.
 

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I am a dope. Realized I responded to some old shyyyte. Bring it back lol. To also correct myself. Best to go back over the previous install and check all connections. Make sure the BPV is set up to recirculate. Would do anyway as a troubleshooting technique to see what happens.
 
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