EXTREME PSI : Your #1 Source for In Stock Performance Parts

Welcome to Extreme PSI

Offering best prices and largest selection!

Extreme PSI introduces a bolt on turbo kit for all Mitsubishi Evolution VII, VIII and IX.

New products from GrimmSpeed! Guaranteed lowest prices!
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Extreme PSI will be closed on Monday, May 27th in observance of Memorial Day. All pending orders will ship on Tuesday, May 28th.

	Blow Off Valves	MORE

	1.	Tial 50mm Q Blow Off Valve NEW RELEASE
	2.	GReddy Type-RZ Blow Off Valve
	3.	HKS Ver. 4 Super Sequential Blow Off Valve
	4.	Turbo XS RFL Blow Off Valve

	Silicone Couplers & Clamps	MORE

	1.	Extreme PSI 3-Ply 2.50" ID Straight Coupler
	2.	Extreme PSI 4-Ply 2.50" 90 Degree Elbow
	3.	Extreme PSI 4-Ply 2.50" 45 Degree Elbow
	4.	Clampco T-Bolt Clamps

	Electronic Boost Controllers	MORE

	1.	AEM Tru-Boost Gauge-Type Controller
	2.	GReddy Profec-B Spec II Boost Controller
	3.	A'Pexi Super AVC-R Boost Controller
	4.	HKS EVC-S Boost Controller

	Manual Boost Controllers	MORE

	1.	Hallman Pro RX Boost Controller
	2.	Hallman Evolution Boost Controller
	3.	Perrin Performance Boost Controller
	4.	Turbo XS Boost Controller

	Wide Band Kits	MORE

	1.	AEM Six-In-One Gauge-Type Uego A/F Controller
	2.	NGK Powerdex AFX A/F Monitor Kit
	3.	Innovate Motorsports DB Gauge Kit: Red
	4.	Innovate Motorsports MTX-L All-In-One Wideband Air/Fuel Gauge

	Gauges	MORE

	1.	Defi 52mm Blue Racer Gauge
	2.	Autometer Cobalt Boost Gauge
	3.	Autometer Sport-Comp Oil Pressure Gauge
	4.	AEM Serial Data Stream Gauge

	Wastegates	MORE

	1.	Precision Turbo PW46 46mm Wastegate
	2.	Tial 38mm Wastegate
	3.	Tial 44mm MVR Wastegate
	4.	Tial Wastegate Replacement Springs

	1.	Precision T & E PT6262 CEA Turbocharger
	2.	Bullseye Power S256 Extended Tip
	3.	Aeromotive Adjustable Fuel Pressure Regulator
	4.	Extreme PSI Pre-Shrunk T-Shirt ver. 2: Turbocharger CHRA