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Old 06-26-2014, 08:56 PM   #1 (permalink)
kYLEMtnCRUZr
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Join Date: Jul 2012
Location: Auburn/Felton CA
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OHRALLY - '99 Subaru Impreza 2.5RS Coupe
90 day: 34.06 mpg (US)

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Aftermarket Intake/Exhaust Good Or Bad For Fuel Economy?

Aftermarket Intake/Exhaust Good Or Bad For Fuel Economy?

I read mixed reviews online from people who have likely never tested their mods in a professional fashion. Obviously doing these mods will likely result in rider being trigger happy and see less MPG.

Only thing I can think of is less torque when intake/exhaust is "opened up"

My main reason would be to shave off 10lbs of rusty black steel exhaust.

Any knowledge on this?

Thanks

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