Review on π MagnaFlow Performance Muffler Exhaust 12219 - Oval Center/Offset, 4in x 9in, Straight-Through Design, 3in Inlet/Outlet, 20in Length, Satin Finish - Classic Deep Exhaust Sound by Byron Elliott
6.0 GMC Sierra two Magnaflows sounds awful!
2000 GMC Sierra with 6.0 LQ9, camshaft, headers, real dual exhaust and Gibson stainless steel tips. The two 14-inch Magnaflow mufflers were very quiet once installed, almost silent in my opinion. A few months after the break-in they got a little louder and sound fantastic! Remember that when using two silencers, the sound is quieter than one silencer. If I had gone for longer 18 inch mufflers it would have been a lot quieter.
- Certified
- Definitely bad product
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