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You should actually have LESS pressure drop if it is a good aftermarket intercooler. You turbos should actually have a LOWER cycle duty to hit your desired boost pressure, due to better after-cooling.
Pressurize the system using a boost leak tester, it may not even be those two couplers, and smoke machine puts out a few inches water column, NOT enough to test for BOOST leaks, but good enough for the VACUUM/INTAKE side.
Are you using JB3 or Procede?
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