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gdgraph · 01-14-2017, 10:50 AM

Just a word of caution, I had the 19265 (cat back with npp & afm) and it droned very very badly and there was no sound difference between the NPP valves being opened or closed. Worst drone was in the 1,800 - 2,400 rpm range, so basically at normal operating speeds when you are just cruising and you can't tell in their sound clips or other peoples sound clips. I know I'm not the only person with this issue, so don't take my word for it, search the word drone or magnaflow in the "V8 LT1 Engine, Exhaust, and Bolt-Ons" section and you'll see many others concur with what I am saying here.

I contacted Magnaflow to see if they had any modification solutions to reduce drone or to see if they'd take it back and they basically told me nope and then stopped responding to me so I ripped it off my car and got a different set up instead and now it sounds great and no drone.

01-14-2017, 10:50 AM	#34
gdgraph Drives: 2016 Camaro 2SS Join Date: Jun 2016 Location: Arlington, VA Posts: 916 View My Garage	Just a word of caution, I had the 19265 (cat back with npp & afm) and it droned very very badly and there was no sound difference between the NPP valves being opened or closed. Worst drone was in the 1,800 - 2,400 rpm range, so basically at normal operating speeds when you are just cruising and you can't tell in their sound clips or other peoples sound clips. I know I'm not the only person with this issue, so don't take my word for it, search the word drone or magnaflow in the "V8 LT1 Engine, Exhaust, and Bolt-Ons" section and you'll see many others concur with what I am saying here. I contacted Magnaflow to see if they had any modification solutions to reduce drone or to see if they'd take it back and they basically told me nope and then stopped responding to me so I ripped it off my car and got a different set up instead and now it sounds great and no drone. Last edited by gdgraph; 01-19-2017 at 04:27 PM.