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88hatch · 12-22-1999, 10:37 PM

I Installed a K&N filter in a DIY modified filter box which ducts straight into the intake (EFI). A hood scoop is planned to access cooler air but right now it is plenty cool everywhere. With the header and 2" exhaust(no cats) the car has less power and sucks up the gas. The O2 sensor was plumbed into the header but the EGR valve is temporarily just blocked at the intake manifold. I have lots to learn so any ideas where to start would be appreciated.

12-22-1999, 10:37 PM	#1
88hatch Registered Member Join Date: Dec 1999 Location: Red Deer, Alberta, Canada Posts: 3	Missing horses I Installed a K&N filter in a DIY modified filter box which ducts straight into the intake (EFI). A hood scoop is planned to access cooler air but right now it is plenty cool everywhere. With the header and 2" exhaust(no cats) the car has less power and sucks up the gas. The O2 sensor was plumbed into the header but the EGR valve is temporarily just blocked at the intake manifold. I have lots to learn so any ideas where to start would be appreciated.