BBK 05-20 Dodge 6.1L/6.2L/6.4L Rear O2 Sensor Extensions 4 Pin Square Style 24in (pair) Crew neck 2021 Toyota Tundra SR5 Fleetside

2021 Toyota Tundra SR5 Fleetside Without Resin Bumpers

Removing restrictions and improving airflow lowers boost air temps

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In addition it comes with a 1/8" NPT port where you can mount a fuel pressure gauge or use it for an auxiliary fuel port

BBK 05-20 Dodge 6.1L/6.2L/6.4L Rear O2 Sensor Extensions 4 Pin Square Style 24in (pair) Crew neck 2021 Toyota Tundra SR5 FleetsideSimplifies Header Installation. These BBK O2 Wire Harness Extenders are a must when installing full length headers on your 2005 2018 Dodge or Chrysler V8 due to the fact that the O2 sensor locations are relocated on full length headers. So rather than cutting into your factory wire harness to make the connections reach, simply plug in a set of BBK extensions and make all the connections look factory with no mess. Easy Installation. OEM connectors and