Review on 🔊 MagnaFlow 5x11 Oval Performance Muffler Exhaust 12589 - Straight-Through, 3in Inlet/Outlet, Satin Finish - Classic Deep Sound by Steve Brethorst

This muffler fits my 04 Silverado with 4.8 V8 perfectly. it has a noticeably louder idle but not too loud, it purrs nicely while driving and sounds nice and harsh under hard acceleration. There is minimal rumble on the freeway and when driving uphill. If you're looking for a little more power out of your exhaust, but don't want to put up with the loud exhaust from your everyday truck, then this muffler is for you.