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Welcome to Extreme PSI

Extreme PSI is your #1 source for In-Stock performance parts. We offer thousands of OEM and aftermarket automotive parts for a variety of vehicles including Mitsubishi, Subaru, BMW, Dodge, Honda, Acura, Toyota & Lexus. We also offer worldwide same-day shipping to our customers, a competitive price match policy and a more than knowledgeable sales staff. Specializing in everything from turbochargers and wastegates to gaskets, bolts and other hardware we are your one stop shop for adding speed to your ride!

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Featured Products

ACL Race "Tri-Metal" Main Bearing Set: Mitsubishi Eclipse 6-Bolt
ACL Race "Tri-Metal" Main Bearing Set: Mitsubishi Eclipse 6-Bolt
Price: $72.90
MSRP: $135.92 (save 46%)
Ships in 24 hours
Main Bearings ►
Exedy Twin-Plate Clutch : Mitsubishi Evolution VIII & IX 2003-2006 (HD Type)
Exedy Twin-Plate Clutch : Mitsubishi Evolution VIII & IX 2003-2006 (HD Type)
Price: $1866.88
MSRP: $2333.60 (save 20%)
Ships in 24 hours
Multi Disc Clutch Kits ►
Forced Performance 14B/16G/FP 68HTA 18 PSI Actuator Internal Wastegate
Forced Performance 14B/16G/FP 68HTA 18 PSI Actuator Internal Wastegate
Price: $129.00
Ships in 24 hours
Turbocharger ►
Fluidampr Performance Engine Damper: Mitsubishi Eclipse 1990-1999 4G63T
Fluidampr Performance Engine Damper: Mitsubishi Eclipse 1990-1999 4G63T
Price: $384.48
MSRP: $489.00 (save 21%)
Ships in 24 hours
Harmonic Dampers ►
Fluidampr Performance Engine Damper: Mitsubishi EVOLUTION VIII & IX 2003-2006 4G63T
Fluidampr Performance Engine Damper: Mitsubishi EVOLUTION VIII & IX 2003-2006 4G63T
Price: $384.48
MSRP: $489.00 (save 21%)
Ships in 24 hours
Harmonic Dampers ►
Fluidampr Performance Engine Damper: Mitsubishi EVOLUTION X 2008-2015 4B11T
Fluidampr Performance Engine Damper: Mitsubishi EVOLUTION X 2008-2015 4B11T
Price: $437.94
MSRP: $557.00 (save 21%)
Ships in 24 hours
Harmonic Dampers ►
Forced Performance Race Manifold: Mitsubishi EVO 4-9 *SALE*
Forced Performance Race Manifold: Mitsubishi EVO 4-9 *SALE*
Price: $292.50
Ships in 24 hours
Exhaust Headers and Manifolds ►
Walbro / TI Automotive 525 LPH Hellcat High Performance In-Tank Fuel Pump *SALE*
Walbro / TI Automotive 525 LPH Hellcat High Performance In-Tank Fuel Pump *SALE*
Price: $116.95
MSRP: $333.59 (save 65%)
Ships in 24 hours
In-Tank Fuel Pumps ►
Walbro / TI Automotive 535 LPH Hellcat High Performance In-Tank Fuel Pump F90000295 (NO CHECK VALVE) *SALE*
Walbro / TI Automotive 535 LPH Hellcat High Performance In-Tank Fuel Pump F90000295 (NO CHECK VALVE) *SALE*
Price: $113.39
MSRP: $333.59 (save 66%)
Ships in 24 hours
In-Tank Fuel Pumps ►
Walbro 450 LPH High Pressure HP Fuel Pump (E85 High Pressure Intank Pump) w/ higher pressure relief
Walbro 450 LPH High Pressure HP Fuel Pump (E85 High Pressure Intank Pump) w/ higher pressure relief
Price: $112.50
MSRP: $220.00 (save 49%)
Ships in 24 hours
In-Tank Fuel Pumps ►
ARP Head Stud Kit: Mitsubishi Lancer EVO X 4B11T
ARP Head Stud Kit: Mitsubishi Lancer EVO X 4B11T
Price: $199.15
MSRP: $262.03 (save 24%)
Ships in 24 hours
Cylinder Head Hardware ►
ARP Main Stud Kit: Mitsubishi Eclipse 4G63T 1990-99 & EVOLUTION IV-IX
ARP Main Stud Kit: Mitsubishi Eclipse 4G63T 1990-99 & EVOLUTION IV-IX
Price: $79.47
MSRP: $104.56 (save 24%)
Ships in 24 hours
Engine Block Hardware ►
Genuine "MHI" Mitsubishi TD05H "EVO III Big" 16G (49178-01470)
Genuine "MHI" Mitsubishi TD05H "EVO III Big" 16G (49178-01470)
Price: $849.00
MSRP: $1200.00 (save 29%)
Ships in 24 hours
Direct Fitment Journal Turbochargers ►
Genuine Garrett Big T28 Turbocharger: Mitsubishi Eclipse 1995-99 *SALE*
Genuine Garrett Big T28 Turbocharger: Mitsubishi Eclipse 1995-99 *SALE*
Price: $899.95
MSRP: $1225.00 (save 27%)
Ships in 24 hours
Direct Fitment Journal Turbochargers ►
Forced Performance DSM Race Manifold: Mitsubishi Eclipse 1990-1999
Forced Performance DSM Race Manifold: Mitsubishi Eclipse 1990-1999
Price: $247.50
Ships in 24 hours
Exhaust Headers and Manifolds ►

Best Sellers

S90 Throttle Body Billet 74mm: Mitsubishi Eclipse 90-99
S90 Throttle Body Billet 74mm: Mitsubishi Eclipse 90-99
Price: $229.00
MSRP: $299.00 (save 23%)
Ships in 24 hours
Throttle Bodies ►
S90 Billet Throttle Body (Bolt-On 74mm): Mitsubishi Evolution 7, 8 & 9
S90 Billet Throttle Body (Bolt-On 74mm): Mitsubishi Evolution 7, 8 & 9
Price: $245.00
MSRP: $330.00 (save 26%)
Ships in 24 hours
Throttle Bodies ►
Kiggly Racing 4G63 HLA Pressure Regulator: Mitsubishi Eclipse 1990-1999 & EVO VIII & IX 2003-2006
Kiggly Racing 4G63 HLA Pressure Regulator: Mitsubishi Eclipse 1990-1999 & EVO VIII & IX 2003-2006
Price: $156.75
MSRP: $165.00 (save 5%)
Ships in 24 hours
Oil Control Devices ►
AEM X-Series Wideband UEGO Air/Fuel Ratio Sensor Controller Gauge
AEM X-Series Wideband UEGO Air/Fuel Ratio Sensor Controller Gauge
Price: $189.94
MSRP: $211.04 (save 10%)
Ships in 24 hours
Air Fuel Ratio Gauges ►
Speed Density Bundle Kit - Mitsu-style MAP, IAT, pigtails and bung: 2G DSM or EVO *SALE*
Speed Density Bundle Kit - Mitsu-style MAP, IAT, pigtails and bung: 2G DSM or EVO *SALE*
Price: $129.00
Ships in 24 hours
Engine Management Sensors ►
Speed Density Bundle Kit - GM-style MAP, IAT, pigtails and bung *SALE*
Speed Density Bundle Kit - GM-style MAP, IAT, pigtails and bung *SALE*
Price: $129.00
Ships in 24 hours
Engine Management Sensors ►
ACT (2100) Heavy-Duty "2100" Street Clutch Kit : Mitsubishi Eclipse Turbo 90-99
ACT (2100) Heavy-Duty "2100" Street Clutch Kit : Mitsubishi Eclipse Turbo 90-99
Price: $390.00
MSRP: $500.00 (save 22%)
Ships in 24 hours
Single Disc Clutch Kits ►
ACT Heavy-Duty (Monoloc) Street Clutch Kit : Mitsubishi Lancer EVO VIII & IX
ACT Heavy-Duty (Monoloc) Street Clutch Kit : Mitsubishi Lancer EVO VIII & IX
Price: $701.00
MSRP: $899.00 (save 22%)
Ships in 24 hours
Single Disc Clutch Kits ►
FueLab "515" Complete Fuel Pressure Regulator Kit w/ Gauge (Version 2): Mitsubishi Eclipse 90-99 *SALE*
FueLab "515" Complete Fuel Pressure Regulator Kit w/ Gauge (Version 2): Mitsubishi Eclipse 90-99 *SALE*
Price: $249.00
MSRP: $324.95 (save 23%)
Ships in 24 hours
Fuel Pressure Regulator Kits ►
Fuel Lab "515" Complete Fuel Pressure Regulator Kit w/ Gauge: Mitsubishi EVO 8/9 (Version 2) *SALE*
Fuel Lab "515" Complete Fuel Pressure Regulator Kit w/ Gauge: Mitsubishi EVO 8/9 (Version 2) *SALE*
Price: $249.95
MSRP: $324.95 (save 23%)
Ships in 24 hours
Fuel Pressure Regulator Kits ►
FueLab "818" Fuel Feed Upgrade Kit (OEM Hardline to Fuel Rail): Mitsubishi Eclipse 90-99 *SALE*
FueLab "818" Fuel Feed Upgrade Kit (OEM Hardline to Fuel Rail): Mitsubishi Eclipse 90-99 *SALE*
Price: $179.00
MSRP: $238.62 (save 25%)
Ships in 24 hours
Fuel Filter Kits ►
S90 Throttle Body Billet 70mm: Mitsubishi Eclipse 90-99
S90 Throttle Body Billet 70mm: Mitsubishi Eclipse 90-99
Price: $229.00
MSRP: $299.00 (save 23%)
Ships in 24 hours
Throttle Bodies ►
S90 Billet Throttle Body (Bolt-On 70mm): Mitsubishi Evolution 7, 8 & 9
S90 Billet Throttle Body (Bolt-On 70mm): Mitsubishi Evolution 7, 8 & 9
Price: $245.00
MSRP: $330.00 (save 26%)
Ships in 24 hours
Throttle Bodies ►
Extreme PSI 4" Polished Intake: Mitsubishi Evolution VIII & IX *SALE*
Extreme PSI 4" Polished Intake: Mitsubishi Evolution VIII & IX *SALE*
Price: $79.00
MSRP: $149.00 (save 47%)
Ships in 24 hours
Turbo Inlet Hoses and Pipes ►
Extreme PSI 4-Ply Silicone Coupler: 2.50" I.D.
Extreme PSI 4-Ply Silicone Coupler: 2.50" I.D.
Price: $5.95
MSRP: $7.05 (save 16%)
Ships in 24 hours
3" Straight Hose Couplers ►
Clampco Stainless Steel T Bolt Clamp : Fits 2.50" I.D. Coupler
Clampco Stainless Steel T Bolt Clamp : Fits 2.50" I.D. Coupler
Price: $3.95
MSRP: $8.00 (save 51%)
Ships in 24 hours
Stainless Steel T-Bolt Clamps ►
Precision T & E PT6266 CEA Journal Bearing Turbocharger : 735 HP
Precision T & E PT6266 CEA Journal Bearing Turbocharger : 735 HP
Price: $1158.74
Ships in 24 hours
+50
Bonus points
Precision T & E CEAŽ Journal Bearing Turbochargers ►
Omni-Power Subaru WRX 2002-2007 / STI 2004-2015 Map Sensor: 4 Bar *SALE*
Omni-Power Subaru WRX 2002-2007 / STI 2004-2015 Map Sensor: 4 Bar *SALE*
Price: $114.99
MSRP: $129.99 (save 12%)
Ships in 24 hours
+10
Bonus points
MAP and Pressure Sensors ►
Omni-Power Mitsubishi Universal Map Sensor: 4 Bar *SALE*
Omni-Power Mitsubishi Universal Map Sensor: 4 Bar *SALE*
Price: $114.99
MSRP: $129.99 (save 12%)
Ships in 24 hours
+10
Bonus points
MAP and Pressure Sensors ►

New Arrivals

Forced Performance DSM Race Manifold: Mitsubishi Eclipse 1990-1999
Forced Performance DSM Race Manifold: Mitsubishi Eclipse 1990-1999
Price: $275.00
Ships in 24 hours
Exhaust Headers and Manifolds ►
GSC Power-Division Race Balance Shaft : 4G63T
GSC Power-Division Race Balance Shaft : 4G63T
Price: $210.38
MSRP: $247.50 (save 15%)
Ships in 24 hours
Balance Shaft Removal Kits ►
Extreme PSI Timing Belt Tool Kit: 4G63T (DSM & EVO 1-9) *SALE*
Extreme PSI Timing Belt Tool Kit: 4G63T (DSM & EVO 1-9) *SALE*
Price: $75.00
MSRP: $95.00 (save 21%)
Ships in 24 hours
Timing Tools ►
GSC Power Division Billet Stage 2 Camshafts (274/274): Mitsubishi Eclipse 4G63 90-99
GSC Power Division Billet Stage 2 Camshafts (274/274): Mitsubishi Eclipse 4G63 90-99
Price: $635.21
MSRP: $747.30 (save 15%)
Ships in 24 hours
Camshafts ►
TPP DSM Manifold Blanket Heat Shield for Stock and FP Manifolds (Carbon Black): Mitsubishi Eclipse 90-99 *NEW*
TPP DSM Manifold Blanket Heat Shield for Stock and FP Manifolds (Carbon Black): Mitsubishi Eclipse 90-99 *NEW*
Price: $99.00
MSRP: $108.00 (save 8%)
Ships in 24 hours
Turbocharger Shields ►
Extreme PSI Heavy Duty 6-Ply MLS 7cm Turbo to Manifold Gasket: Mitsubishi Eclipse 90-99
Extreme PSI Heavy Duty 6-Ply MLS 7cm Turbo to Manifold Gasket: Mitsubishi Eclipse 90-99
Price: $14.95
MSRP: $25.00 (save 40%)
Ships in 24 hours
Turbocharger Gaskets ►
Extreme PSI Stainless Steel Weld-on O2 Sensor Bung and Plug Set *NEW*
Extreme PSI Stainless Steel Weld-on O2 Sensor Bung and Plug Set *NEW*
Price: $5.95
MSRP: $8.99 (save 34%)
Ships in 24 hours
Wideband Sensors, Bungs and Accessories ►
Precision T & E GEN2 PT7675 CEA Ball Bearing Turbocharger : 1300 HP
Precision T & E GEN2 PT7675 CEA Ball Bearing Turbocharger : 1300 HP
Price: $2801.59
Ships in 2-4 weeks
+75
Bonus points
Precision T & E GEN 2 CEAŽ Ball Bearing Turbochargers ►
NGK/NTK Powerdex AFX GEN 2 Air-Fuel Ratio Monitor Kit (AFRM)
NGK/NTK Powerdex AFX GEN 2 Air-Fuel Ratio Monitor Kit (AFRM)
Price: $295.00
MSRP: $722.77 (save 59%)
Ships in 24 hours
Air Fuel Ratio Gauges ►
Buschur Racing Coil-On Plug W/ BR Spec CDi: Mitsubishi Evolution 8/9
Buschur Racing Coil-On Plug W/ BR Spec CDi: Mitsubishi Evolution 8/9
Out of stock
Coil on Plug Systems ►
Extreme PSI Heavy Duty 6-Ply MLS Exhaust Gasket: 2-Bolt
Extreme PSI Heavy Duty 6-Ply MLS Exhaust Gasket: 2-Bolt
Price: $11.95
MSRP: $15.00 (save 20%)
Ships in 24 hours
Exhaust Gaskets ►
Genuine "MHI" Mitsubishi TD05H "EVO III Big" 16G (49178-01470)
Genuine "MHI" Mitsubishi TD05H "EVO III Big" 16G (49178-01470)
Price: $849.00
MSRP: $1200.00 (save 29%)
Ships in 24 hours
Direct Fitment Journal Turbochargers ►
S90 Throttle Body Billet 74mm: Mitsubishi Eclipse 90-99
S90 Throttle Body Billet 74mm: Mitsubishi Eclipse 90-99
Price: $229.00
MSRP: $299.00 (save 23%)
Ships in 24 hours
Throttle Bodies ►
GSC Power Division Billet R2 Stroker Camshafts (274/274): Mitsubishi Evolution IV-VIII
GSC Power Division Billet R2 Stroker Camshafts (274/274): Mitsubishi Evolution IV-VIII
Price: $635.21
MSRP: $747.30 (save 15%)
Ships in 24 hours
Camshafts ►
GSC Power Division Billet Stage 3 Camshafts (280/280): Mitsubishi Eclipse 4G63 90-99
GSC Power Division Billet Stage 3 Camshafts (280/280): Mitsubishi Eclipse 4G63 90-99
Price: $635.21
MSRP: $747.30 (save 15%)
Ships in 24 hours
Camshafts ►
GSC Power Division Billet R2 Stroker Camshafts (274/274): Mitsubishi Evolution 9 MIVEC
GSC Power Division Billet R2 Stroker Camshafts (274/274): Mitsubishi Evolution 9 MIVEC
Price: $653.23
MSRP: $768.50 (save 15%)
Ships in 24 hours
Camshafts ►
AEM High Flow In-Line Fuel Pump : 380 LPH
AEM High Flow In-Line Fuel Pump : 380 LPH
Price: $158.40
MSRP: $176.00 (save 10%)
Ships in 24 hours
In-Line Fuel Pumps ►
Extreme PSI -4AN Male to Female Inline Oil Restrictor .031" Orifice
Extreme PSI -4AN Male to Female Inline Oil Restrictor .031" Orifice
Price: $15.95
MSRP: $24.99 (save 36%)
Ships in 24 hours
Oil Feed Lines and Fittings ►
Honeywell 76575-4 Hobbs Switch: Boost Activated, Boost Level Adjustable (4-7 PSI)
Honeywell 76575-4 Hobbs Switch: Boost Activated, Boost Level Adjustable (4-7 PSI)
Out of stock
Fuel Accessories ►
Mishimoto High Pressure 1.3 Bar Radiator Cap Small (Fits most Imports)
Mishimoto High Pressure 1.3 Bar Radiator Cap Small (Fits most Imports)
Price: $22.95
MSRP: $29.53 (save 22%)
Ships in 24 hours
Radiator Caps ►
Precision T & E GEN2 PT6870 CEA Ball Bearing Turbocharger : 1100 HP
Precision T & E GEN2 PT6870 CEA Ball Bearing Turbocharger : 1100 HP
Price: $2544.09
Ships in 2-3 Days
Precision T & E GEN 2 CEAŽ Ball Bearing Turbochargers ►
Mishimoto Aluminum Race Radiator: Subaru WRX 2015+ *SALE*
Mishimoto Aluminum Race Radiator: Subaru WRX 2015+ *SALE*
Price: $387.95
MSRP: $513.89 (save 25%)
Ships in 24 hours
Radiators ►
Radium Engineering Oil Catch Can Kit: Mitsubishi Evolution X 2008-2015
Radium Engineering Oil Catch Can Kit: Mitsubishi Evolution X 2008-2015
Price: $189.95
MSRP: $199.95 (save 5%)
Ships in 24 hours
Oil Catch Cans ►
Radium Engineering Oil Catch Can Kit: Mitsubishi EVO VIII/IX 2003-06
Radium Engineering Oil Catch Can Kit: Mitsubishi EVO VIII/IX 2003-06
Price: $199.45
MSRP: $209.95 (save 5%)
Ships in 24 hours
Oil Catch Cans ►
ARP "Ver. 2" Stainless Steel Exhaust Manifold Stud Set (9 Studs): Mitsubishi Lancer EVO VIII & IX
ARP "Ver. 2" Stainless Steel Exhaust Manifold Stud Set (9 Studs): Mitsubishi Lancer EVO VIII & IX
Price: $119.00
MSRP: $175.83 (save 32%)
Ships in 24 hours
Engine Component Hardware ►
ARP "Ver. 2" Stainless Steel Exhaust Manifold Stud Set (9 Studs): Mitsubishi Eclipse 7-Bolt
ARP "Ver. 2" Stainless Steel Exhaust Manifold Stud Set (9 Studs): Mitsubishi Eclipse 7-Bolt
Price: $119.00
MSRP: $175.83 (save 32%)
Ships in 24 hours
Engine Component Hardware ►
Forced Performance Race Manifold: Mitsubishi EVO 4-9 *SALE*
Forced Performance Race Manifold: Mitsubishi EVO 4-9 *SALE*
Price: $325.00
Ships in 24 hours
Exhaust Headers and Manifolds ►

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Contact
Extreme PSI
1553 Winchester Road
Unit C
Bensalem, PA 19020
215-244-4295
Fax: 215-244-4297
Sales: sales@extremepsi.com
Tech: info@extremepsi.com
Tracking: tracking@extremepsi.com

Mon - Fri: 9AM - 5:00PM (EST)
Saturday: Closed
Sunday: Closed

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