hi ...got a 2010 jeep srt8 it is totally stock and wanna put a Borla exhaust and mopar cold air intake ....my question is for any one who has done these mods did it get u better fuel mileage worse or didnt make a difference ?.....thanks
Sure it will cause you want to hear the exhaust and that will decrease your mileage .
After my Borla I was so happy I drove like I stole it the first week
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