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Old 10-10-2008, 08:22 AM   #8 (permalink)
Funny
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Eco-Fit - '13 Honda Fit Base
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Quote:
Originally Posted by Frank Lee View Post
"There are some complicated formulas that I can find for you to accurately calculate the ID of the pipe you need."

Didn't the factory do that already?
Within the constraints of cost they did, Frank, but if one was to spend money on a slightly better exhaust than stock, you would see improved performance and economy, depending on the economy modifications made to the car.
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