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50 Posts
Has anyone seen a dyno sheet or read about any REAL proven gains to getting a Cat Back Exhaust for the RL. I know theres a million ways to argue how having less or too much back pressure is gonna hinder or improve the performance. I just like the way it sounds now, not too loud or obnoxious.....but If there is a REAL gain, not like 5 or 6 HP then I would prob consider.