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backstroke3229 · 08-23-2021, 03:15 PM

Hey y'all,

Hope your Monday is going well. Someone once said the Corsa NPP is basically a Corsa Sport while the valves are closed and an Extreme with the valves open. Surprised that it's not quieter than a Sport with the valves shut. Can anyone who owns one chime in?

08-23-2021, 03:15 PM	#1
backstroke3229 Joe Drives: 2004 Tahoe Z71, 2017 Camaro SS 1LE Join Date: Apr 2018 Location: Denver, CO Posts: 174	Corsa NPP Hey y'all, Hope your Monday is going well. Someone once said the Corsa NPP is basically a Corsa Sport while the valves are closed and an Extreme with the valves open. Surprised that it's not quieter than a Sport with the valves shut. Can anyone who owns one chime in? __________________ 2017 Camaro SS 1LE: Kooks Catless Headers \| Corsa Sport Catback \| Rotofab \| E85 \| LT2 Intake Mani \| Tuned by Rickifast \| Apex SM-10's, 19x10 & 19x11 \| Side Skirts \| Mud Guards \| Wickerbill 2004 Tahoe Z71: Doug Thorley Tri-Y Catless Headers \| K&N \| Corsa Sport Catback \| E85 \| Tuned by Blackbear Performance 18x10 -24 Moto Metals \| 33x12.5x18's BFG K/O 2's \| Full Dynamat \| 2x10" Subs, 750W RMS \| 4x6.5's, 75W RMS