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impulse · 08-20-2020, 08:55 AM

I wanted it to be louder but still keep the NPP function and not pay 1500+ for a axel back with NPP. I’d like the have the NPP to close the valve if I’m leaving at 4am in the morning and not wake every neighbor in my development lol. Upon looking at the actual insides of the muffler I see that the exhaust goes through perforated holes when closed. Maybe I should just keep the suitcase unaltered and buy an axel back. Just trying to cheap out a little bit lol

08-20-2020, 08:55 AM	#5
impulse Drives: Big Dually ... RIP ZL1 Join Date: May 2020 Location: Nearest (diesel) station Posts: 218	I wanted it to be louder but still keep the NPP function and not pay 1500+ for a axel back with NPP. I’d like the have the NPP to close the valve if I’m leaving at 4am in the morning and not wake every neighbor in my development lol. Upon looking at the actual insides of the muffler I see that the exhaust goes through perforated holes when closed. Maybe I should just keep the suitcase unaltered and buy an axel back. Just trying to cheap out a little bit lol __________________ Imagine impulsively buying a Summit ZL1.