Chevrolet Corvette Stingray C7 Forum - View Single Post

REVVIC · 06-13-2013, 02:40 AM

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.

06-13-2013, 02:40 AM	#4
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.