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How does the Performance Exhaust work?
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06-13-2013, 02:40 AM
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REVVIC
Drives: 2014 Z51 Velocity Yellow
Join Date: Jun 2013
Location: Tacoma WA
Posts: 170
That's correct. The video was helpful. The performance exhaust system, code NPP, opens two more valves for the jump from 455 to 460 HP.
REVVIC
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