DeatschWerks In-Tank Fuel Pressure Regulator 4.5 BAR Honda Civic SI 2006-2020 | 6-45-M53

Product Fitment: 

2006-2020 Honda Civic Si

The DeatschWerks 6-45-M53 is a high-performance in-tank fuel pressure regulator engineered specifically for Honda and Acura applications. This precision-built 4.5 BAR regulator delivers consistent fuel pressure management for modified engines requiring upgraded fuel delivery systems, making it essential for turbocharged, supercharged, or high-horsepower naturally aspirated builds.

Key Features & Benefits

• 4.5 BAR Pressure Rating - Provides 65.3 PSI constant pressure for high-flow fuel system applications
• In-Tank Design - Eliminates external plumbing and maintains clean engine bay aesthetics
• Honda/Acura Fitment - Direct replacement designed for specific OEM fuel pump assemblies
• Performance Construction - Built with high-grade materials to withstand ethanol fuels and racing conditions
• Consistent Flow - Maintains stable fuel pressure across varying engine loads and RPM ranges
• Upgraded Capacity - Supports significantly higher fuel flow than stock regulators

What's Included

• DeatschWerks In-Tank Fuel Pressure Regulator
• Installation hardware (if applicable)
• Technical documentation

Specifications

Fitment & Compatibility

Designed for Honda and Acura vehicles with compatible in-tank fuel pump assemblies. This regulator is ideal for modified engines requiring upgraded fuel pressure management, including turbocharged setups, supercharged applications, and high-horsepower naturally aspirated builds. Verify compatibility with your specific year, make, and model before ordering.

Installation

Professional installation recommended. Requires fuel tank access and integration with existing fuel pump assembly. Installation involves fuel system work and should be performed by experienced technicians familiar with fuel system modifications. Proper fuel system pressure testing required after installation.