Quote:
Originally Posted by Jason@Nameless
The problem is, as we are adding the axleback, midpipe, overpipe/downpipe combo (new design that we are shipping at no extra charge to the people who have already ordered the downpipe), we're pretty certain that the car is pulling something to deal with the more harsh conditions. It's just like everything flattens off.
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This has been seen on other dynos. It's been postulated, and seems very likely IMO, that the ECU in these cars is similar to the one in GM's Solstice and Sky in that it can monitor torque output in some way and will adjust accordingly to maintain stock levels. It's thought this was done to reduce warranty claims.
If this is what is happening, then it looks like bolt-on gains will be minimal until ECU tuning is brought into the equation.