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kmarshall2121 · 08-11-2017, 03:12 PM

My muffler guy says back pressure is at the mufflers. I lost a bit by up-sizing my suitcases to Flowmasters from V8 they had, and I got a good deal on. lost some back pressure, but it sounds bitchin'!

08-11-2017, 03:12 PM	#12
kmarshall2121 Drives: 2012 45th Anniversary Edition Join Date: Aug 2012 Location: San Diego, CA Posts: 1,618 View My Garage	My muffler guy says back pressure is at the mufflers. I lost a bit by up-sizing my suitcases to Flowmasters from V8 they had, and I got a good deal on. lost some back pressure, but it sounds bitchin'!