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how much more hp to for changing an exhaust
Posted: September 11th, 2015, 7:47 pm
by alvinlulu
as topic suggests
Re: how much more hp to for changing an exhaust
Posted: September 16th, 2015, 3:42 pm
by mazdaspeed23
from research that is proven ( you can watch on youtube) The increase depending on the exhaust can range from 3hp-15hp and possible more. if you're running manifolds and you upgrade your exhaust chances are you wont gain any that is noticeable.