B58 Hybrid Fuel Pump For Toyota Supra & BMW G Series (Stage 2 & 2.5) Pump Selection:Stage 2 The Jb4 is an easy

The Jb4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost

we recommend using this upgrade in conjunction with our drop-in performance filter upgrades

Easier access to DME box and spark plugs

By replacing the OEM downpipe with the ARM MK6 GLI Downpipe you will increase exhaust gas velocity due to increased internal diameter

This plug and play tuner attaches to two easy to access sensors in the engine bay and works with your factory DME tuning to remap your boost

B58 Hybrid Fuel Pump For Toyota Supra & BMW G Series (Stage 2 & 2.5) Pump Selection:Stage 2 The Jb4 is an easyThe Precision Raceworks G Series High Performance Primary fuel pump (Kits) are designed for customers looking to run all blends of E85. These pumps are ideal for those wanting to run a single fuel line to the front of the car and feed the high pressure fuel pump and port injection from a single pump assembly. Alternative Pump Option by Precision Raceworks: For G8x or G2x customers wishing to run the best, check out our Stand Alone Auxiliary Fuel