F Chassis N63tu stage1 - For 2013+ 650, 750, 2014+ 550 and 2014-2018 X5 50i models porsche-991-2-2017--esr2480497 Optional Extension Harness: These plug

Optional Extension Harness: These plug and play connectors simplify the installation and removal of JB4 and other S58 piggyback systems by allowing you to bypass the difficult to reach lower MAP sensor by attaching the connections to each other

Precision made one-piece design for a perfect fit

0x12mm heat shield screws

48" (122cm) Harness with 1/4" ring terminals on the power and ground wires

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F Chassis N63tu stage1 - For 2013+ 650, 750, 2014+ 550 and 2014-2018 X5 50i models porsche-991-2-2017--esr2480497 Optional Extension Harness: These plugThis plug and play tuner attaches to sensors in the engine bay and works with your factory DME tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. It's designed specifically for the N63 and N63TU motors. Stage1 gains on the N63 are up to 40whp range on pump gas and up to 60whp range with the n63tu motor. With exhaust modifications and or on racing fuels even higher power levels are possible. Don't pay 10x