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Originally Posted by lasvegash2
on the 37's the mpg is around 10ish city driving and about 13ish highway. the combo of both the air intake and exhaust really helped out on top end. it pulls harder around 4300 rpm and higher. as far as it helping on the mpg...probably not because my foot is always in the gas due to the nice sound they produce.
thanks for all the great compliments.
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hey Scott, are you using any type of programmer or chip?