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Premium Member
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172 Posts
Discussion Starter #1
Hi all,

Quick question:

I am running my 2.2 Civic with the OEM map again (I was previously using a stage 2 map, and changed back to OEM to avoid more clutch issues), and still have the big FMIC and a custom exhaust system with the 2nd catalytic converter removed and the 2 OEM back boxes also removed and replaced by a smaller, single non-OEM backbox.

Could this have any effect on the performance and fuel economy of the car? Given that my turbo is making a slight whine, will re-installing the factory exhaust somehow place less stress on it to avoid any further trouble? (No issues related to turbo malfunction so far, except for a slight but noticeable whine).

I'm more focused on fuel economy and reliability at this period. Any suggestions are welcome.
 

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Premium Member
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879 Posts
Interested to know this myself for wife's car. Has stage 2 map which I'm going to have removed to save clutch issues as had new clutch fitted but still has fmic fitted.
 
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