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Old 09-05-2012, 01:44 PM   #23
Vtec just kicked in
Join Date: Apr 2002
Location: TO
Posts: 2,806
you likely wont notice any change.

Driving habits, conditions and time of yr will be bigger factors in any mpg changes.
Its not like I hopped in and instantly banged off 100 more km per tank.

Even running shell vs other stations gas can effect mpg.

Overall mileage will stay the same between the two manifolds.
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