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Pressure Regulators

After upgrading injectors and fuel pumps, the stock fuel pressure regulator, which is not adjustable, may not cut it anymore. An upgraded pressure regulator will ensure stable pressures are supplied with an oversized diaphragm.

Pressure Regulators

After upgrading injectors and fuel pumps, the stock fuel pressure regulator, which is not adjustable, may not cut it anymore. An upgraded pressure regulator will ensure stable pressures are supplied with an oversized diaphragm.

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Showing 1 - 20 of 22 items

$450.00
Tomioka Racing Adjustable Fuel Pressure Regulator Kit - Pro - STI 2008-2016
Part Number: TOMI-TR-FPU1005F
Subaru
View Product
$18.50
Tomioka Racing Fuel Pressure Regulator Adapter - STI 2004-2007 / WRX 2002-2007 / Forester XT 2004-2008 / More
Part Number: TOMI-TR-FPU1011
Subaru
View Product
$159.00
Deatschwerks Adjustable Fuel Pressure Regulator Titanium
Part Number: DEAT-6-1000-FRT
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$159.00
Deatschwerks Adjustable Fuel Pressure Regulator Black
Part Number: DEAT-6-1000-FRB
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$329.40
Perrin Adjustable Fuel Pressure Regulator - STI 2008-2016
Part Number: PERR-PSP-FUL-301
Subaru
View Product
$129.98
AEM Adjustable Fuel Pressure Regulator Black
Part Number: AEM-25-302BK
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$20.00
COBB Tuning Fuel Pressure Regulator Manifold Relocation Kit - STI 2008-2016
Part Number: COBB-315150
Subaru
View Product
$300.00
COBB Tuning Fuel Pressure Regulator Kit - STI 2008-2016
Part Number: COBB-315200
Subaru
View Product
$10.00
Tomei Fuel Pressure Regulator Fitting -6AN 1/8NPT
Part Number: TOME-TB509A-0000C
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$7.00
Tomei Fuel Pressure Regulator Fitting 8- 1/8NPT
Part Number: TOME-TB509A-0000A
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$18.00
Tomei Fuel Pressure Regulator Fitting no.8 Elbow 1/8NPT
Part Number: TOME-TB509A-0000B
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$180.00
Tomei Fuel Pressure Regulator Type-L
Part Number: TOME-TB507A-0000B
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$18.00
Tomei Fuel Pressure Regulator Adapter - STI 2004-2007 / WRX 2002-2007 / Forester XT 2004-2008 / More
Part Number: TOME-TB508A-0000A
Subaru
View Product
$120.00
Tomei Fuel Pressure Regulator Type-S
Part Number: TOME-TB507A-0000A
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$61.49
Turbosmart FPR 1200 Replacement Dia Ass
Part Number: TBSM-TS-0401-3002
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$36.89
Turbosmart FPR 800v1 Replacement Diaphragm Assembly
Part Number: TBSM-TS-0401-3001
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$276.74
Turbosmart Fuel Pressure Regulators - 3000 -10 AN
Part Number: TBSM-TS-0401-1008
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$156.82
Turbosmart Fuel Cut Defender - FDC2 (Electronic)
Part Number: TBSM-TS-0303-1002
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$78.40
Turbosmart Fuel Cut Defender - FDC1 (Pneumatic)
Part Number: TBSM-TS-0303-1001
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product
$249.07
Turbosmart Fuel Pressure Regulators - 2000 -8 AN
Part Number: TBSM-TS-0401-100
Mitsubishi
Nissan
Saab
Scion
Subaru
View Product

Tomioka Racing Adjustable Fuel Pressure Regulator Kit - Pro - STI 2008-2016
TR Fuel Pressure regulator kit eliminates the persistent stumble on 2008-2016 Subaru STi during 2800-3000 RPM. Installation of the kit is easy and is compatible with multiple fuel type.
Subaru
$450.00
Tomioka Racing Fuel Pressure Regulator Adapter - STI 2004-2007 / WRX 2002-2007 / Forester XT 2004-2008 / More
TR fuel pressure regulator adaptors are made for car specific application for easy installation on your car. Please see the fitment for each type of adaptor.
Subaru
$18.50
Deatschwerks Adjustable Fuel Pressure Regulator Titanium
Mitsubishi
Nissan
Saab
Scion
Subaru
$159.00
Deatschwerks Adjustable Fuel Pressure Regulator Black
DWR1000 adjustable fuel pressure regulator, anodized black. Dual -6AN inlet and -6AN outlet. Universal fitment
Mitsubishi
Nissan
Saab
Scion
Subaru
$159.00
Perrin Adjustable Fuel Pressure Regulator - STI 2008-2016
The PERRIN Fuel Pressure Regulator is designed with adjustability and high-flow fuel regulation in mind that works with fuel systems ranging from stock setups to 1000+ horsepower setups and the best option to fix the stumbling issue present in 2008+ STIs.
Subaru
$329.40
AEM Adjustable Fuel Pressure Regulator Black
AEM's Universal Adjustable Fuel Pressure Regulator is capable of supporting enough fuel flow for engines up to 1000 horsepower. Their patented interchangeable discharge ports enable the regulator's output to match the output of any fuel pump. This universal fuel pressure regulator is tapped to accept a -6 AN, or 9/16”x18 fittings and includes a 1/8 NPT port for a fuel pressure gauge or pressure sensor pick up.
Mitsubishi
Nissan
Saab
Scion
Subaru
$129.98
COBB Tuning Fuel Pressure Regulator Manifold Relocation Kit - STI 2008-2016
The COBB Tuning Fuel Pressure Regulator Manifold Reference Relocation Kit includes everything you need to relocate the FPR reference line to a more stable pressure source.
Subaru
$20.00
COBB Tuning Fuel Pressure Regulator Kit - STI 2008-2016
The COBB Subaru 08-16 STI Fuel Pressure Regulator Kit is a plug-and-play solution that is simple and easy to install. It requires no cutting of factory hoses and is multi-fuel compatible. Attention: Custom tuning required. Click Dealers to find a Protuner near you.
Subaru
$300.00
Tomei Fuel Pressure Regulator Fitting -6AN 1/8NPT
For those looking to use -6AN lines on their Tomei FPR, here is the fitting for you.
Mitsubishi
Nissan
Saab
Scion
Subaru
$10.00
Tomei Fuel Pressure Regulator Fitting 8- 1/8NPT
This is a replacement straight #8 fitting that originally came with the Tomei FPRs.
Mitsubishi
Nissan
Saab
Scion
Subaru
$7.00
Tomei Fuel Pressure Regulator Fitting no.8 Elbow 1/8NPT
This Tomei fitting is for the person who needs a 90-degree elbow on their Tomei FPR instead of the straight fittings that come with it.
Mitsubishi
Nissan
Saab
Scion
Subaru
$18.00
Tomei Fuel Pressure Regulator Type-L
When the injectors and fuel pump are upgraded the stock fuel pressure regulator may not be enough to suit the required pressures for the new setup. The stock FPR is preset from the factory and is non adjustable so it will limit your options. The TOMEI Fuel Pressure Regulator will ensure stable pressures are supplied with the oversized diaphragm. This special design has proven to maintain the required pressure levels with any adjustments made.
SUPERSEDED PART NO. TOME-185002
Mitsubishi
Nissan
Saab
Scion
Subaru
$180.00
Tomei Fuel Pressure Regulator Adapter - STI 2004-2007 / WRX 2002-2007 / Forester XT 2004-2008 / More
This adapter bolts to your stock fuel rail and has an 1/8"NPT outlet allowing you to connect an adjustable FPR to your factory fuel rail.
Subaru
$18.00
Tomei Fuel Pressure Regulator Type-S
When the injectors and fuel pump are upgraded the stock fuel pressure regulator may not be enough to suit the required pressures for the new setup. The stock FPR is preset from the factory and is non adjustable so it will limit your options. The TOMEI Fuel Pressure Regulator will ensure stable pressures are supplied with the oversized diaphragm. This special design has proven to maintain the required pressure levels with any adjustments made.

Comes with 6AN adapters and #8 nipple connectors.
Mitsubishi
Nissan
Saab
Scion
Subaru
$120.00
Turbosmart FPR 1200 Replacement Dia Ass
Diaphragm Assembly - Replacement suit Turbosmart FPR 1200 V1 (OLD)
Mitsubishi
Nissan
Saab
Scion
Subaru
$61.49
Turbosmart FPR 800v1 Replacement Diaphragm Assembly
Diaphragm Assembly - Replacement suit Turbosmart FPR 800 V1 (OLD)
Mitsubishi
Nissan
Saab
Scion
Subaru
$36.89
Turbosmart Fuel Pressure Regulators - 3000 -10 AN
High-performance fuel pressure regulator. Features special internals to handle all types of race fuels, 2 x AN -10 inlet ports, 1 x AN -8 outlet port, 30-70 PSI base pressure adjustments, 1:1 ratio. Ideal for race cars with up to 3000hp fuel systems.
Mitsubishi
Nissan
Saab
Scion
Subaru
$276.74
Turbosmart Fuel Cut Defender - FDC2 (Electronic)
Upgrade your car with an elThe FCD-2 alters the output of a factory 5V MAP Sensor or AFM at an adjustable level to accurately raise the factory fuel cut point. Features LED indicators for easy setup. Adjustable release feature ensures you retain the safety of having a fuel cut to protect your engine from over boosting.ectric Turbosmart fuel cut defender.
Mitsubishi
Nissan
Saab
Scion
Subaru
$156.82
Turbosmart Fuel Cut Defender - FDC1 (Pneumatic)
The FCD-1 allows for an accurate increase in the factory fuel cut-out level without the need for cutting/splicing wires or affecting off-boost conditions. Suited to most turbo cars using a MAP sensor. The unit can be locked to prevent tampering.
Mitsubishi
Nissan
Saab
Scion
Subaru
$78.40
Turbosmart Fuel Pressure Regulators - 2000 -8 AN
High-performance fuel pressure regulator. Features special internals to handle all types of race fuels, 2 x AN -8 inlet ports, 1 x AN -8 outlet port, 30-70 PSI base pressure adjustments, 1:1 ratio. Ideal for race cars with up to 2000hp fuel systems.
Mitsubishi
Nissan
Saab
Scion
Subaru
$249.07

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Showing 1 - 20 of 22 items