Exhaust and intake
#11
I ran a dp, cat back, and intake on the stock ecu for a while and everything was ok. I later bought a boost controller and a power fc to be safe. I'm using a Greddy Ti cat-back and a Blitz sus intake with no boost spikes.
#12
Originally Posted by MAximus9t' post='826027' date='Jun 25 2006, 10:21 AM
is it safe to drive with no ecu and just downpipe and midpipe?
With stock ecu, I highly recommend putting back your main catalytic convertor, and fit a cat back. I have a Japan spec 1995 FD, comes with downpipe from factory, and added an RB dual tip catback, a greddy sm intercooler, efini y-pipe and took off the rubber seal between stock airbox and intake snorkel. That's the limit of mods I could do before boost spikes over 11.5psi at which I get 310bhp. Even if I replace the stock paper filter with a K&N drop in, boost will spike to over 12psi. I am not sure the stock ecu mapping for my FD is the same as yours, but with a mid pipe you are most probably going to run into trouble.
#13
Originally Posted by silver_rx7' post='826179' date='Jun 26 2006, 02:54 PM
With stock ecu, I highly recommend putting back your main catalytic convertor, and fit a cat back. I have a Japan spec 1995 FD, comes with downpipe from factory, and added an RB dual tip catback, a greddy sm intercooler, efini y-pipe and took off the rubber seal between stock airbox and intake snorkel. That's the limit of mods I could do before boost spikes over 11.5psi at which I get 310bhp. Even if I replace the stock paper filter with a K&N drop in, boost will spike to over 12psi. I am not sure the stock ecu mapping for my FD is the same as yours, but with a mid pipe you are most probably going to run into trouble.
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