Showing 1–50 of 64 results

Take your Polaris Xpedition performance to the next level with the DHQ Custom Spec Pistons. Designed with precision engineering, these pistons are crafted to deliver optimized engine performance in ...
$799.99
Upgrade your Entry Level Kit with our muffler system. DHQ Premium Turbo Kit Muffler Downpipe for bolt on install Clamp **If buying with kit email sales@proefi.com to order as ...
$1,499.99
This is the 2 seat “DHQ Surge Tank Fuel System” Twin 525 in-tank pumps. Billet pump hanger Tank adds 4 gallons of fuel to the system Plug n play ...
$2,995.00
This is the 4 seat “DHQ Surge Tank Fuel System” Twin 525 in-tank pumps. Billet pump hanger Tank adds 4 gallons of fuel to the system Plug n play ...
$2,995.00
Pro-R Entry Level Turbo Kit : Internal gated billet wheel turbo with v-band inlet. 304 stainless steel turbo manifold. 304 stainless steel down pipe to bolt to existing muffler. ...
Original price was: $10,999.99.Current price is: $9,799.99.
Grills for intercooler to allow for more air flow. A grill for the front between the seats and one for the bed side so it will allow air to ...
$185.00
Transform your Polaris Xpedition with the ProEFI Clutch Kit, engineered to deliver unmatched performance and reliability. Designed specifically for Polaris Xpedition models, this kit optimizes power delivery, improves acceleration, ...
$495.00
High Temperature Resistant Material:Constructed of high temperature (1,850 Degree F) insulating padding. A tough Titanium outer layer that protects against heat loss, burns, oil spills, abrasions and road grime ...
$87.91
Harness- #4952f- RZR Adapter Harness CAPABILITIES: Flex Fuel Boost Control Launch Control Anti-lag/two-step Electronic Throttle (DBW) Air Conditioning Tachometer drive Drivers Information Light (DIL/shift light) Idle air control motor TPS Manifold Pressure Coolant Temp Air Temp Oil ...
$1,926.50
Kit Includes- #4951f Can-Am Adapter Harness Harness setup for: Battery, Ignitor, Extension Module, Main Relay, Factory MAP x2, AUX, Display, Comm Cable
$2,631.86
Kit Includes- #9120- Pro112 ECU #4258d- C7/Gen 6 Camaro Port Injection Adapter Harness #9306- Dual Channel Wideband Controller w/ 4.9 LSU O2 Sensors #9000- 150PSI Sensor #9004- 5bar MAP ...
$6,965.00
Now Available - Starting at $15,999.00!! ProEFI C8 Corvette Twin Turbo Kit – Ultimate Power Upgrade for Chevrolet C8 Corvettes Unlock the full potential of your Chevrolet C8 Corvette with ...
$15,999.99
Kit Includes- #9160wa- Pro70wa ECU #4257f- C7/Gen 6 Camaro Port Injection Adapter Harness #2015- 4.9 LSU O2 Sensor #9000- 150PSI Sensor #9004- 5bar MAP Sensor #9006- Air Temperature Sensor ...
$4,699.99
Harness - #4950f- Can-Am Adapter Harness CAPABILITIES: Flex Fuel Boost Control Launch Control Anti-lag/two-step Electronic Throttle (DBW) Air Conditioning Tachometer drive Drivers Information Light (DIL/shift light) Idle air control motor TPS Manifold Pressure Coolant Temp Air Temp ...
$2,049.74
Harness - #4950f-o Can-Am Outlander Adapter Harness CAPABILITIES: Flex Fuel Boost Control Launch Control Anti-lag/two-step Electronic Throttle (DBW) Air Conditioning Tachometer drive Drivers Information Light (DIL/shift light) Idle air control motor TPS Manifold Pressure Coolant Temp Air ...
$2,049.74
Kit Includes- #4947f PRO R Input AUX Harness Pro70w Harness setup for (connects to #4950 and #4951f main harness):
$279.00
Kit Includes: 1 Channel CAN Wideband Controller O2 Stainless Steel Sensor Bung - 1qty LSU 4.9 O2 Sensor - 1qty Compatible with the Pro112, Pro70, Pro48 Systems
$660.93
1050cc injectors x 1qty
$160.00
RAM Mount, rubber ball design with shock and vibration damping, ball and socket technology allows for near-infinite adjustability, twist-lock suction cup base .125 Aluminum Windshield Mounting Bracket All ...
$109.72
RAM Mount, rubber ball design with shock and vibration damping, ball and socket technology allows for near-infinite adjustability, twist-lock suction cup base .125 Aluminum Windshield Mounting Bracket All ...
$108.31
1300cc injectors x 1qty
$225.00
Kit Includes: 150 PSI Absolute Pressure Sensor Metri-pack 150 plug, Pins, & Seals Suggested Use: Fuel Pressure Oil Pressure Transmission Line Pressure Crankcase Pressure Converter Charge Pressure Radiator Pressure   High Quality ...
$176.73
1600cc injectors x 1qty
$230.00
2200cc injectors x 1qty
$240.00
Boost Override Button Boost Override Button Installation Instructions
$79.99
- This Device Provides 4 Additional Frequency Inputs that can be scaled to a [0-5Volt] Digital Output - Transmitted via CAN Bus to the ECU ** Will Support Flex Fuel with ...
$340.00
Kit Includes: ProEFI Flex Fuel Sensor Flex Fuel Flying Lead Cable 3/16" Heat Shrink - 2qty -6 AN Fitting - 2qty Pins - 2qty
$279.24
ProEFI's Bluetooth logger is a must have for all your vehicle logging needs. DOWNLOAD INSTRUCTIONS
$299.99
Kit Includes: Boost Control Solenoid 2 Way Male Housing and Wedgelock 2 Way Female Housing and Wedgelock DTM Socket - 2qty DTM Pin - 2qty  
$108.29
Kit Includes: Boost Control Solenoid UTV harness 2 Way Male Housing and Wedgelock 2 Way Female Housing and Wedgelock DTM Socket - 2qty DTM Pin - 2qty  
$228.29
CAN Cabele Kit works for All ProEFI ECU Systems and is used to connect to the ECU for Software Changes Includes- Single Channel CAN Cable DB9 to CAN Adapter
$299.99
Kit Includes- #9100- Pro128 ECU #4275a- LS2/LS3/LS7 Crate Harness #9019 x 2- 4.2 LSU O2 Sensor #9000- 150PSI Sensor #9004- 5bar MAP Sensor
$5,144.53
Pro112 Applications for; C6 Corvette, Camaro (06′-13′) Chevy SS (14'-17') GM Trucks (06′-13′) ** Non ZR1/ZL1/CTSV **Harness is built by order [Please allow 3-5* business days to process]
$1,319.31
Pro128 Applications for; C6 Corvette, Camaro (06′-13′) Chevy SS (14'-17') GM Trucks (06′-13′) Pontiac GTO **Additional Header Connectors needed ** Non ZR1/ZL1/CTSV
$1,471.69
Pro112 Applications for; C6 Corvette (06′-13′) Camaro (10'-15') Chevy SS (14'-17') Pontiac GTO (05-06) Pontiac G8 (08'-09') GM Trucks (06′-13′) ** Non ZR1/ZL1/CTSV Kit Includes- #9120- Pro112 ECU #4251d- GM C6 Corvette (06-13) Camaro (10-15) Non ZR1/ZL1/CTSV ...
$5,751.31
Pro128 Applications for; C6 Corvette (06′-13′) Camaro (10'-15') Chevy SS (14'-17') Pontiac G8 (08'-09') Pontiac GTO (**with additional E38 connectors) GM Trucks (06′-13′) ** Non ZR1/ZL1/CTSV Kit Includes- #9100- Pro128 ECU #4251a- GM C6 Corvette (Non ZR1) ...
$5,255.83
Pro112 Applications for; ZR1 (09'-13') ZL1 (12'-15') CTSV (09'-14') Kit Includes- #9120- Pro112 ECU #4253d- GM Corvette ZR1/ Camaro ZL1/ Cadillac CTSV Adapter Harness #9000- 150 PSI Sensor Kit #9306- 2 Channel CAN ...
$6,074.00
Kit Includes: 5 position I-Boost Switch Assembly I-Boost Knob Sticker You now have multiple control strategies with a simple 5-position control knob for boost; Vehicle Speed Wheel Speed Differential Time ...
$270.60
ProEFI 70WA Standalone ECU offers next-level engine management with advanced ECU control.
$1,095.48
Kit Includes- #9120- Pro112 ECU #4950d- Can-Am Adapter Harness #9000 x 3- 150PSI Sensor #9004 x 2- 5bar MAP Sensor #9305- CAN Wideband Controller w/ 4.9 LSU O2 Sensor ECU ...
$6,638.00
Flying Lead Includes; • 9ft in Length⁣⁣, TXL Wire • Wires labeled through out⁣⁣ • Terminated at ECU end⁣⁣ • Color coded ⁣⁣
$1,190.00
Kit Includes- #9100- Pro128 ECU #4000a- 9' Flying Lead Harness #9004- 5 Bar Map Sensor Kit #9000- 150 PSI Sensor Kit #9006- Air Temp Sensor Kit #9019- LSU 4.2 ...
$4,367.76
Kit Includes- #9160w- Pro70wa ECU #4950f- Can-Am Adapter Harness #2015- 4.9 LSU O2 Sensor ECU FEATURES: ECU is Environmentally Spec’d; -Operating Temperature -Operating Voltage -Mechanical Vibration -Mechanical Shock -Watertight and Sealed CAPABILITIES: Flex Fuel Boost Control Launch Control Anti-lag/two-step Electronic Throttle ...
$3,249.00
Kit Includes- #9160w- Pro70wa ECU #4950f-o Can-Am Outlander Adapter Harness #2015- 4.9 LSU O2 Sensor ECU FEATURES: ECU is Environmentally Spec’d; -Operating Temperature -Operating Voltage -Mechanical Vibration -Mechanical Shock -Watertight and Sealed CAPABILITIES: Flex Fuel Boost Control Launch Control Anti-lag/two-step Electronic ...
$3,249.00
Kit Includes- #9160w- Pro70wa ECU #4951f- Can-Am Adapter Harness Harness setup for: Battery, Ignitor, Factory MAP x2, Extension Module, Main Relay, AUX, Display, Comm Cable ECU FEATURES: ECU is Environmentally Spec’d; -Operating Temperature -Operating Voltage -Mechanical Vibration -Mechanical ...
$3,249.00
ECU FEATURES: ECU is Environmentally Spec’d; -Operating Temperature -Operating Voltage -Mechanical Vibration -Mechanical Shock -Watertight and Sealed CAPABILITIES: Flex Fuel Boost Control Launch Control Anti-lag/two-step Electronic Throttle (DBW) Air Conditioning Tachometer drive Drivers Information Light (DIL/shift light) Idle air control motor TPS Manifold ...
$3,495.00
Kit Includes- #9160w- Pro70wa ECU #4952f- RZR Adapter Harness #2015- 4.9 LSU O2 Sensor
$3,249.00
(22') Kit Includes- #4946f- Pro R Output AUX Harness #4949f- UTV Input AUX Harness ...
$2,750.00