COBB Tuning 346750 Fuel Pressure Regulator Kit - Front View
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COBB Subaru/Toyota In-Tank 4.5 Bar Fuel Pressure Regulator Kit

COBB
COBB346750
731946519881
Fuel Pressure Regulators
20+ Units In Stock - Ships Next Business Day
$ 35.00
$ 35.00

COBB In-Tank 4.5 Bar Fuel Pressure Regulator Kit

The COBB In-Tank 4.5 Bar Fuel Pressure Regulator Kit, part 346750, raises base fuel pressure for the 2022-2025 Subaru BRZ and Toyota GR86 to support increased fueling at higher power levels.

Key Features

  • Raises in-tank fuel pressure to 4.5 bar for increased fuel flow
  • Direct fitment for the Subaru BRZ and Toyota GR86 in-tank pump assembly
  • Works alongside the COBB high flow fuel pump for supporting modifications
  • Compatible with the COBB Fuel Pump Lock Ring Tool for installation
  • Not CARB compliant -- for off-road/racing use only in emissions-regulated states
  • Part 346750 replaces the factory fuel pressure regulator inside the tank

Fitment

Year Make Model Submodel
2022-2025 Subaru BRZ In-Tank 4.5 Bar FPR Kit
2022-2025 Toyota GR86 In-Tank 4.5 Bar FPR Kit

Specifications

Detail Value
COBB Part Number 346750
Regulated Pressure 4.5 bar
Fitment 2022-2025 Subaru BRZ, 2022-2025 Toyota GR86
Emissions Status Not CARB compliant

What's Included

  • One COBB 346750 in-tank fuel pressure regulator

About COBB Tuning

COBB Tuning has engineered performance electronics, intakes, exhausts and suspension components for turbocharged platforms since 2003, building its Accessport ECU flashing device alongside record-tested bolt-on hardware for Subaru, Ford, Honda, Toyota and more.

FAQ

What vehicles does this fit?

It fits the 2022-2025 Subaru BRZ and 2022-2025 Toyota GR86.

Is this CARB compliant?

No, it is not CARB compliant and is intended for off-road or racing use in emissions-regulated states.

What pressure does this regulate to?

It raises in-tank fuel pressure to 4.5 bar.

Do I need a special tool to install this?

The COBB Fuel Pump Lock Ring Tool makes removing the lock ring easier.

Can I pair this with a high flow fuel pump?

Yes, it is designed to work alongside a COBB high flow fuel pump for increased fueling.

Is this a drop-in replacement?

Yes, it replaces the factory in-tank fuel pressure regulator.

Is a warranty included?

Yes, it is covered by COBB's Component Limited Warranty against manufacturing defects.

Does installation require dropping the fuel tank?

No, it is accessed through the in-cabin service panel or rear seat.

Installation Instructions

  1. Relieve fuel system pressure and disconnect the battery before starting
  2. Remove the rear seat or access panel to reach the in-tank fuel pump assembly
  3. Use the COBB Fuel Pump Lock Ring Tool to remove the lock ring and access the pump housing
  4. Remove the factory fuel pressure regulator from the pump assembly
  5. Install the COBB 346750 regulator in its place and reassemble the lock ring
  6. Reconnect fuel lines and the electrical connector, then check for leaks before driving

Request For Information

Have questions about COBB Subaru/Toyota In-Tank 4.5 Bar Fuel Pressure Regulator Kit? Fill out the form below and we'll get back to you by the next business day.
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