Quote:
Originally Posted by scrapiron7
Neither an intake or cat back will change your gas mileage.
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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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07 SRT8 Silver Cam,PP heads&intake BT CC ,Borla S ,Eibach, Volant CAI Hid's all around Smooth and logoed moldings , Carbon Medic V2 ,Stillen's,Mopar Spoiler , TS led Rear fogs,Quad Projectors, 275/315 Dueller HP Sport ,Eibach's.Tuned By Diablo and CMR by OVERKILL, R1's StopTech's
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