Yes and no. TRD says it's more power/torque, but it's not quantified with numbers.
TRD - Performance Air Intakes
Quote:
TRD exhaust systems reduce back pressure by getting burnt gasses out of the engine and exhaust system efficiently, therefore creating additional power output.
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TRD - Exhaust
Quote:
The intake design works with the factory ECU and emissions system and is 50-State Emissions Legal. These systems have been dyno tested and deliver an increase in both horsepower and torque.
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Here is another thread
TRD Intake and Exhaust
Everyone has a different opinion. The reality is, even at +15 HP, your 0-60 would still suck.
I did add Sprintbooster and it's definitely more snappy on the throttle response. Not faster, just better response.