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Old 02-04-2001, 07:37 AM   #1
Freeskier
Scooby Specialist
 
Member#: 3962
Join Date: Feb 2001
Chapter/Region: SWIC
Location: Phoenix, AZ
Vehicle:
2020 Ford Super Duty
2021 STi & 2002 WRX

Question Boost at 4K RPM on n/a EJ25??

Hello everybody,
I'm new to the I-Club so bear with me, I've been attempting to gain knowledge with the STi-MList for a few months now.
I've been experiencing some sort of boost at 4100 RPM when I apply 60-90% of throttle during acceleration. Is this normal or is there something wrong. It's almost as if I had a 6-10hp gain.
Any help would eb greatly appreciated. Oh yeah, I have a 2000 2.5RS Coupe with 4500 miles (7500Km) on it. No mods except for strut tower bar. (for now)

Thanks,
Stefan
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