Introducing Hondata CANFlex for your 10th gen Si, the ultimate flex fuel solution for unleashing the full potential of your turbocharged vehicle. Experience easily obtainable power gains, thanks to advanced technology that optimizes fuel combustion for increased horsepower and torque. Delivering the performance you crave. Hondata CANFlex is a 49 state SEMA certified solution for running flex fuel (E85) on turbo 1.5 and 2.0 liter Honda and Acura vehicles. All calibrations are designed for stock Hondas (with stock intake and exhaust). Hondata CANFlex gives you more power than any bolt on. Fill your car with pump gas or Flex fuel anywhere, anytime. Hondata's software gives you the maximum benefit on the least expensive fuel you can buy.

Hondata includes CANFlex tunes in FlashPro Manager. The CANflex calibrations deliver a safe, flat torque curve for your daily driver. With a flat torque curve, your car becomes a lot more controllable and fun to drive. It comes onto boost earlier and no longer feels like it is falling off boost high in the rev range. This Torque Talk video explains the basics. 

All of our CANFlex calibrations can be modified by an experienced tuner for more power and torque with a built engine.

The Civic 1.5 turbo is a strong, economical and clean engine made more flexible and powerful by Hondata. The CANFlex system adds more power and torque than a turbo upgrade, retaining your stock turbo, catalytic converter and intake while passing a smog test. Hondata delivers 50 HP while keeping it clean and green. The red circled Delta is the power gain. All CANFlex calibrations can be tuned for more power and torque by an experienced tuner. A built engine is recommended for custom tuning.