Reflash your 2002-2004 Civic Si engine computer.
Fuel, ignition timing and cam timing optimized.
Rev limiter raised to 7700rpm.
10-12 peak hp gain depending on the dyno and modifications
4-9ft lb torque across the rev range
Power peak raised 400 rpm from 6300 rpm to 6700 rpm (higher with headers)
0-60 mph times improved by 1 second.
Fully dealer compatible -works with all Honda scan tools and equipment.
Fuel, ignition timing and cam timing optimized.
Rev limiter raised to 7700rpm.
10-12 peak hp gain depending on the dyno and modifications
4-9ft lb torque across the rev range
Power peak raised 400 rpm from 6300 rpm to 6700 rpm (higher with headers)
0-60 mph times improved by 1 second.
Fully dealer compatible -works with all Honda scan tools and equipment.