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Eric10905 · 06-13-2019, 09:55 PM

Anyone have experience with a header and exhaust system that did not get appreciably louder than the stock NPP? And still have valves/modes? Don't care if it's deeper, just not a lot louder.

Next I'll say, OK, I know many want louder exhaust. I say, Hey, to each their own, if that's what you like or want, you should! It's suppose to make you happy, not others.

I'm not a young man anymore, and in my youth with a '70 SS my experience was that the loud exhaust attracted, also, the wrong (read Mr Lawman) attention when I was standing on it. I don't expect that has changed. ;-)

I'm ready to make the header and/or exhaust mods as part of the bolt-on stage. And I am 'ok' with the loudness level of the current NPP system. I'd really love to not get any or much louder, but still capture as much of the HP gains as possible. Yeah, conflicting goals. Next I'll be searching for a clip of headers onto an existing NPP system, maybe with or without a secondary cat delete, whatever i can find.

thanks in advance and enjoy The Ride!

06-13-2019, 09:55 PM	#1
Eric10905 Geezer_loves_Camaros Drives: 2018 2SS, Black, A8 Join Date: Dec 2018 Location: Austin Posts: 241	Not lounder than NPP headers & exhaust? Anyone have experience with a header and exhaust system that did not get appreciably louder than the stock NPP? And still have valves/modes? Don't care if it's deeper, just not a lot louder. Next I'll say, OK, I know many want louder exhaust. I say, Hey, to each their own, if that's what you like or want, you should! It's suppose to make you happy, not others. I'm not a young man anymore, and in my youth with a '70 SS my experience was that the loud exhaust attracted, also, the wrong (read Mr Lawman) attention when I was standing on it. I don't expect that has changed. ;-) I'm ready to make the header and/or exhaust mods as part of the bolt-on stage. And I am 'ok' with the loudness level of the current NPP system. I'd really love to not get any or much louder, but still capture as much of the HP gains as possible. Yeah, conflicting goals. Next I'll be searching for a clip of headers onto an existing NPP system, maybe with or without a secondary cat delete, whatever i can find. thanks in advance and enjoy The Ride!