Showing 1–50 of 153 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
Take the guess work out of setting up your clutch for our turbo kit. This kit encludes everything needed to clutch your new found power.
$595.00
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
7” CAN Display Logger Specs; ▪︎7" LCD Color Screen ▪︎10-12* user defined pages/screens ▪︎Up to 2 Users ▪︎CAN setup Engine Light Warnings, Shift Light, and more ▪︎2 CAN ▪︎2 Inputs [Analog, Digital] ▪︎1 Relay Output ▪︎8-32v Operating ...
$2,260.00
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
#9405 Pro5 Kits Includes; 5” CAN Color Display Logger CAN Display Logger Cable Assembly - 9.8f USB 3.0, 16bgb Thumbdrive Small USB 3.0 Male to Female Car AUX Mount ...
$1,835.00
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 ...
$108.31
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing ...
$475.00
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
Kit Includes: 2 Channel CAN wideband controller o2 Stainless Steel Sensor Bungs -2qty LSU 4.9 O2 Sensor - 2qty Compatible with the Pro112, Pro70, Pro48 Systems
$883.30
Kit Includes: 2000 PSI Absolute Pressure Sensor Metri-pack 2000 plug, Pins, & Seals Suggested Use: Nitrous Clutch Pressure Brake Pressure   High Quality Stainless Steel Body Highly accurate +/- .5% across the sensor ...
$165.73
2200cc injectors x 1qty
$240.00
Kit Includes: 3 Channel Ignitor 3 Channel Ignitor Plug LSU 4.2 Pins - 7qty  
$127.54
3 Channel Ignitor ONLY  
$89.98
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing ...
Kit Includes: 4 Channel Ignitor 4 Channel Ignitor Plug (4 pin) 4  Channel Ignitor Plug (5Pin) LSU 4.2 Pins - 9qty Wire Seals - 9qty
$168.29
Kit Includes: 4 Channel Ignitor 4 Channel Ignitor Plug (4 pin) 4  Channel Ignitor Plug (5Pin) LSU 4.2 Pins - 9qty Wire Seals - 9qty
$112.44
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
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing ...
$413.76
4l60/80e trans controller harness Compatible with the Pro48-701, Pro128 Systems ** If using on a Pro128 additional plugs will be needed
$413.76
Our Back Pressure Exhaust Kits must use an Absolute Pressure Sensor. The 5bar MAP Sensor is Ranged Up to 58lbs of Pressure. Kit Includes: 5 Bar MAP Sensor Kit Metri-pack ...
$190.92
Kit Includes: 5 Bar MAP Sensor Metri-pack plug, Pins, & Seals 1/8" to 3/16" Female Barb Fitting High Quality Stainless Steel Body Highly accurate +/- .5% across the sensor range at ...
$171.68
Kit Includes: 500 PSI Absolute Pressure Sensor Metri-pack plug, Pins, & Seals High Quality Stainless Steel Body Highly accurate +/- .5% across the sensor range at room temperature  and +/- 1% ...
$165.73
Our Back Pressure Exhaust Kits must use an Absolute Pressure Sensor. The 7bar MAP Sensor is Ranged Up to 87lbs of Pressure. Kit Includes: 7 Bar Map Sensor Kit Metri-pack ...
$190.92
Kit  Includes: 7 Bar MAP Sensor Kit Metri-pack 7bar plug, Pins, & Seals High Quality Stainless Steel Body Highly accurate +/- .5% across the sensor range at room temperature  and +/- ...
$164.77
Kit Includes: Air Temperature Sensor (3/8th NPT) Plug Pins - 2qty
$37.60
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