The Precision RaceworksEA888.3 INTAKE MANIFOLD BOOST TAP KITprovides a solid leak free method to get boost/vacuum from your intake manifold. It features 3 nipples for use with vacuum gauges, vacuum operated waste gates, blow off valves, dyno use, or any other function you might need vacuum/boost reference. Best of all this is the only kit on the marketfeaturing an 1/8” NPT port in the sidefor use with pressure switches or sensors such as 5 Bar map sensors.
Don’t be fooled into thinking all kits are the same, there are companies out there making boost tap kits which fit where the factory T-Map sensor go on the manifold. These kits have been proven to heat soak and cause timing pulls in your engine reducing power and decreasing fuel economy. So stay away from any boost tap that installs where your map sensor installs anddo it the right way the first time!
Just like with any vacuum line in a boosted application, all hoses or silicone nipples should be secured with a small zip tie to prevent possible boost leaks or blow off occurring.