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Saberscar223 · 01-23-2025, 10:51 AM

I have Flowmaster American thunder with the NPP but it’s not doing it for me so I’m either going borla or corsa not sure if I’m keeping NPP since it usually cost 1000 over the non NPP version.

01-23-2025, 10:51 AM	#7
Saberscar223 Drives: 2023 Riverside Blue 2SS Join Date: Sep 2022 Location: Denver,CO Posts: 278	I have Flowmaster American thunder with the NPP but it’s not doing it for me so I’m either going borla or corsa not sure if I’m keeping NPP since it usually cost 1000 over the non NPP version.