not saying there isnt an improvement in some respects, but changing the tubing cant result in much. Now changing something around with the MAF sensor might see some slight power gains. Most people claim inlet temps of 8 degrees over ambient with drop ins, with my G3's, im seeing temps of 3 degrees over.
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2011 Mustang 5.0 | 3.55's | Lethal Performance off road H-Pipe | Magnaflow Muffler Delete | JLT CAI/Bama tuned 417whp/ 404 ft/lbs
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