A stage 1 tune is simply an ECU remap or chip tune. This is the most cost-effective way to modify any vehicle for performance. Turbo-diesel and turbo-petrol vehicles respond extremely well to stage 1 tuning and commonly see a 20 – 40% increase in bhp and torque. Final Thoughts. It is legal to tune your ECU, if done moderately. However, ECU tuning is a surefire way to void your car warranty and it may be hard to claim for insurance afterwards. Fortunately for us, the changes by ECU tuning can be reversed to its factory settings. This is useful if you need to bring your car back for warranty or insurance. Brand: Brewed Motorsports. Rated 5.00 out of 5 based on 2 customer ratings. ( 2 customer reviews) $ 50.00 – $ 720.00. STI and WRX E-tune (aka Pro tune) for the Cobb AP increases horsepower and torque throughout the RPM range all while improving the reliability of your turbo Subaru. We have been tuning Subaru’s from mild to wild on the Cobb How do you tune at 8PSI vs 80PSI? Turbo tuning tips and tricks.This is just one module taken from a complete the step by step example in this comprehensive c While Stage 1 tuning can be completely reversible, Stage 2 will require modification to return back to the stock ECU. The stage 2 tune removes the CEL when these "primary" cats are removed and may also change the tune based on the idea that the cats are removed. Expect a gain of >40 awhp for an M278. There are two different ways parts, one is a Hi everyone, I had a hard time finding information regarding stage 1 tunes and a couple of piggybacks as well. It's better when people can easily find information. The chart below is based on MSRP of the Stage 1 tunes that I could find. Sale Prices, Combo Prices, Data Cables, and Shop Hours are Benefits of Stage 2 Tuning: The benefits of stage 2 tuning are numerous, and they include: Increased horsepower and torque. Improved acceleration and top speed. Better throttle response. Enhanced engine sound. Increased fuel efficiency. Better overall driving experience. Risks of Stage 2 Tuning: While stage 2 tuning offers many benefits, there The same goes for knock. Instead of holding the engine in that cell where it is experiencing knock while you slowly retard the timing, you’re best to immediately back off the throttle, make the change and then return to that cell to see if the change has worked. Hopefully, that gives you a good insight into the world of turbocharged engine 6zdyu0V.