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Performance Control & Engine Management at JC Whitney
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Performance Control & Engine Management

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1 - 20 of 23 products   |  Go to page 1 2 Next   |  Show All 
DIABLOSPORT® PREDATOR™ ENGINE PERFORMANCE FLASH TUNERS
DIABLOSPORT® PREDATOR™ ENGINE PERFORMANCE FLASH TUNERS
Plug into to your OBD II port and reprogram the PCM for more power, 15-200 HP and more torque, 20-400 ft/lb! Select up to 5 different tunes for towing, economy performance and extreme performance! Easy, no wires to cut—easy instructions, everything done on the LCD screen.
Custom Fit
Retail: $375.99 - $595.98
Our Low Price: $369.99 - $410.99 
You Save: $6.00 - $184.99
  BUY Predator Engine Performance Flash Tuners  
GRANATELLI MOTORSPORTS FUEGO HANDHELD FLASH TUNABLE PERFORMANCE PROGRAMMER
GRANATELLI MOTORSPORTS FUEGO HANDHELD FLASH TUNABLE PERFORMANCE PROGRAMMER
Amazing handheld tuner allows you to quickly and easily custom tune your vehicle for significant improvements in drivability! No other tuner offers the power, speed and versatility to tune your car for quicker acceleration, firmer shifts, better mileage and improved towing. Requires no computer knowledge, simply plug the unit into in-dash OBD-II port and follow the easy to understand instructions.
Custom Fit
Retail: $481.97
Our Low Price: $319.99 
You Save: $161.98
  BUY Fuego Handheld Flash Tunable Performance Programmer  
 VENOM 400™ PERFORMANCE CONTROL MODULES
VENOM 400™ PERFORMANCE CONTROL MODULES
Improves horsepower by as much as 25% throughout 1000 to 5000-RPM power range.
Custom Fit
Retail: $299.99 - $462.00
Our Low Price: $299.99 
You Save: $162.01
  BUY Venom 400 Performance Control Modules  
JET PERFORMANCE PRODUCTS™ PERFORMANCE PROGRAMMERS
JET PERFORMANCE PRODUCTS™ PERFORMANCE PROGRAMMERS
Increase horsepower and torque at the touch of a button!
Custom Fit
Retail: $495.72 - $495.92
Our Low Price: $339.99 
You Save: $155.73 - $155.93
  BUY Performance Programmers  
BELTRONICS™ VECTOR VEHICLE PERFORMANCE COMPUTERS
BELTRONICS™ VECTOR VEHICLE PERFORMANCE COMPUTERS
Accurately measure your vehicle's performance!
Retail: $169.21
Our Low Price: $103.99 
You Save: $65.22
  BUY Vehicle Performance Computers  
JET™ PERFORMANCE CONTROL MODULE
JET™ PERFORMANCE CONTROL MODULE
Lets you set spark, fuel curve, air/fuel ratio and transmission for performance.
Custom Fit
Customer Review:Read the review
Retail: $371.10 - $371.92
Our Low Price: $239.99 
You Save: $131.11 - $131.93
  BUY PERFORMANCE CONTROL MODULE  
SUPERCHIPS FLASHPAQ TUNERS
SUPERCHIPS FLASHPAQ TUNERS
The next generation in advanced drive train tuning—combines Superchips performance programming experience with cutting edge technology!
Custom Fit
Retail: $579.18 - $579.98
Our Low Price: $379.99 
You Save: $199.19 - $199.99
  BUY Flashpaq Tuners  
JET™ COMPUTER UPGRADE KITS
JET™ COMPUTER UPGRADE KITS
For sport compact cars.
Custom Fit
Retail: $371.11 - $789.04
Our Low Price: $239.99 - $549.99 
You Save: $131.12 - $239.05
  BUY COMPUTER UPGRADE KIT  
SUPERCHIPS MICROTUNERS
SUPERCHIPS MICROTUNERS
Handheld tuner achieves dramatic drivetrain improvements. Incredible power gains—up to 12% increase in horsepower in gas engines, up to 150 horsepower increase in diesel engines!
Custom Fit
Customer Review:Read the review
Retail: $379.99 - $551.96
Our Low Price: $379.99 
You Save: $171.97
  BUY Microtuners  
SUPERCHIPS® CORTEX PERFORMANCE ENGINE MANAGEMENT TUNERS
SUPERCHIPS® CORTEX PERFORMANCE ENGINE MANAGEMENT TUNERS
The next generation in advanced drive train tuning for your performance vehicle! Combine Superchips legendary performance programming experience, cutting edge technology and a 2-year limited powertrain warranty for your vehicle! Special expansion port transforms the unit into an in-cabin communication hub for upcoming performance accessories; very new, very cool!
Custom Fit
Retail: $429.99 - $719.76
Our Low Price: $429.99 
You Save: $289.77
  BUY Cortex Performance Engine Management Tuners  
SUPERCHIPS® TIREPAQ SPEEDOMETER CALIBRATION TUNERS
SUPERCHIPS® TIREPAQ SPEEDOMETER CALIBRATION TUNERS
Electronically corrects your vehicle's speedometer, odometer and shift points to compensate for non-stock tires, wheels and gears. Retrieve and clear annoying "check engine" lights. The Tirepaq is always up to date—it can be updated via the internet. All adjustments are made on the tuners themselves and you're ready to go—connects to your OBD II plug in.
Custom Fit
Retail: $355.19 - $355.94
Our Low Price: $199.99 
You Save: $155.20 - $155.95
  BUY Tirepaq Speedometer Calibration Tuners  
DIABLOSPORT®  PREDATOR™ FLASH TUNER/POWERPUCK MODULE COMBOS FOR DODGE RAM PICKUP
DIABLOSPORT® PREDATOR™ FLASH TUNER/POWERPUCK MODULE COMBOS FOR DODGE RAM PICKUP
Kit combines Flash Tuner and PowerPuck for maximum performance! Adds 200 HP over stock and 400 ft/lbs of torque over stock. PowerPuck installs in nine easy steps and in less than 10 minutes—no wires to cut, and no seals will be broken!
Custom Fit
Retail: $848.09 - $848.98
Our Low Price: $567.99 
You Save: $280.10 - $280.99
  BUY Predator Flash Tuner/PowerPuck Module Combo  
AEM PROGRAMMABLE ENGINE MANAGEMENT SYSTEM
RECEIVE 10% OF PURCHASE PRICE WITH MANUFACTURER'S MAIL-IN REBATE!
AEM PROGRAMMABLE ENGINE MANAGEMENT SYSTEM
Plugs directly into your car's factory ECU harness and sensors.
Custom Fit
Retail: $2,044.33 - $4,107.70
Our Low Price: $1,489.99 - $3,007.99 
You Save: $554.34 - $1,099.71
  BUY ENGINE MANAGEMENT SYSTEM  
PREDATOR™ ADJUSTABLE DIESEL ENGINE PERFORMANCE MODULES
PREDATOR™ ADJUSTABLE DIESEL ENGINE PERFORMANCE MODULES
Flip a switch and hold on! Up to 45-100 HP gain, 100-250 ft/lbs torque increase depending upon engine type
Custom Fit
Retail: $551.74 - $803.74
Our Low Price: $379.99 - $559.99 
You Save: $171.75 - $243.75
  BUY Adjustable Diesel Engine Performance Modules  
PREDATOR™ SINGLE-PROGRAM DIESEL ENGINE PERFORMANCE MODULES
PREDATOR™ SINGLE-PROGRAM DIESEL ENGINE PERFORMANCE MODULES
Available in Stage I to Stage IV performance programs for maximum performance.
Custom Fit
Retail: $453.77 - $817.10
Our Low Price: $309.99 - $569.99 
You Save: $143.78 - $247.11
  BUY Single-Program Diesel Engine Performance Modules  
GRANATELLI MOTORSPORTS BIG G HANDHELD FLASH TUNABLE PERFORMANCE PROGRAMMER
GRANATELLI MOTORSPORTS BIG G HANDHELD FLASH TUNABLE PERFORMANCE PROGRAMMER
Why settle for your vehicle's factory tune when you can quickly and easily maximize performance with a custom tune? No other tuner offers the power, speed and versatility to tune your car for quicker acceleration, firmer shifts, better mileage and improved towing. Requires no computer knowledge, simply plug the unit into in-dash OBD-II port and follow the easy to understand instructions.
Custom Fit
Retail: $467.23 - $509.98
Our Low Price: $299.99 - $319.99 
You Save: $167.24 - $189.99
  BUY Big G Handheld Flash Tunable Performance Programmers  
DIABLOSPORT® PREDATOR™ E85 CONVERSION AND FLEX FUEL TUNER
DIABLOSPORT® PREDATOR™ E85 CONVERSION AND FLEX FUEL TUNER
Run E85 fuel in your truck and gain up to 30 HP and 30 ft/lb of torque! This product will pay for itself over a short time through the fuel savings—E85 is considerably cheaper than regular gasoline. NO conversion boxes, NO wires to cut, you don't even have to pop your hood!
Custom Fit
Retail: $719.85
Our Low Price: $402.99 
You Save: $316.86
  BUY E85 Conversion and Flex Fuel Tuner  
BD DIESEL X-TUNER PERFORMANCE PROGRAMMER FOR DIESEL TRUCKS
BD DIESEL X-TUNER PERFORMANCE PROGRAMMER FOR DIESEL TRUCKS
Provides multiple performance programs you download into your ECM.
Custom Fit
Retail: $691.79 - $824.81
Our Low Price: $479.99 - $574.99 
You Save: $211.80 - $249.82
  BUY X-Tuner Performance Programmer  
DIABLOSPORT® POWERPUCK TUNING DEVICES FOR DODGE RAM PICKUP
DIABLOSPORT® POWERPUCK TUNING DEVICES FOR DODGE RAM PICKUP
Dramatically improves drivability, throttle response and towing capability. Remaps fuel delivery injection pump and advances injection-timing curve. Installs in minutes—no wires to cut, no cables to feed through firewall and no broken seals Custom Fit
Retail: $370.05 - $370.36
Our Low Price: $225.99 
You Save: $144.06 - $144.37
  BUY PowerPuck Tuning Device  
HAND-HELD PERFORMANCE TUNER
HAND-HELD PERFORMANCE TUNER
Exclusive re-map features make custom tuning your truck easy!
Custom Fit
Retail: $449.99
  Price: $381.99 - $404.99 
You Save: $45.00 - $68.00
  BUY HAND-HELD PERFORMANCE TUNER  
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