This is my Question
MoPar Performance tells us a 2.5" exhaust with stage II is required. However, MoPar Performance offers us a 2.5" system that goes to a muffler, not straight through, then has to make a 180 deg. turn which then exits very small 1 3/4" tail pipes. I would say a 2 1/4 " straight through system, such as BTG or Magna flow would flow better than this MoPar system. So why is a 2.5" exhaust system required for stage II when MoPar does not really offer one. [:I]
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