fuel mileage increase or decrease with cat back
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From: rosamond, ca, usa
fuel mileage increase or decrease with cat back
has anyone noticed an increase in fuel economy with a cat back exhaust and intake. I average 33mpg with a k&n filter only looking for an exhaust 06 ex 4dr.
Honda-Tech Member
Joined: Feb 2007
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From: the name on the door is cleveland, oh, us
Re: fuel mileage increase or decrease with cat back (guinnessstout)
When you start modding your fuel mileage is gonna go go down with a intake and exhaust it wont be that noticible thou.
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