
Free
Flow
RPO
Code
Ref.
Only
RPO
Code
Description
Grand Sport Coupe
1YG07
Grand Sport Convertible
1YG67
Z16
1LT
Z16
2LT
Z16
3LT
Z16
4LT
Z16
1LT
Z16
2LT
Z16
3LT
Z16
4LT
NB9 Emissions override, state-specific
(for dealers ordering vehicles in
(YF5) or (NE1) emission states -
Arizona, California, Connecticut,
Maine, Maryland, Massachusetts,
New Jersey, New York, Oregon,
Pennsylvania, Rhode Island,
Vermont and Washington)
1 - Allows a California dealer (YF5
emissions) to order (NE1)
emissions with (NB9) emissions
override code for registration in
(NE1) states; or, an Arizona,
Connecticut, Maine, Maryland,
Massachusetts, New Jersey, New
York, Oregon, Pennsylvania, Rhode
Island, Vermont and Washington
dealer (NE1 emissions) to order
(YF5) emissions with (NB9)
emissions override code for
registration in California.
A
1
A
1
A
1
A
1
A
1
A
1
A
1
A
1
NC7 Emissions override, Federal (for
vehicles ordered by dealers in
Federal emission states with (YF5)
or (NE1) emissions - Not required
for vehicles being shipped to
Arizona, California, Connecticut,
Maine, Maryland, Massachusetts,
New Jersey, New York, Oregon,
Pennsylvania, Rhode Island,
Vermont or Washington)
1 - Requires (YF5) California state
emissions requirements or (NE1)
Arizona, Connecticut, Maine,
Maryland, Massachusetts, New
Jersey, New York, Oregon,
Pennsylvania, Rhode Island,
Vermont or Washington state
emissions requirements.
A
1
A
1
A
1
A
1
A
1
A
1
A
1
A
1
LS3 Engine, 6.2L V8 SFI (430 hp [320.6
kW] @ 5900 rpm, 424 lb-ft of torque
[572.4 N-m] @ 4600 rpm)
S S S S S S S S
Exhaust, aluminized stainless-steel
with 3" polished stainless-steel tips
S S S S S S S S
NPP Exhaust, dual-mode, performance,
increases horsepower, adds 6 hp,
aggressive exhaust sound
A A A A A A A A
2012 Chevrolet Car Corvette MECHANICAL - Grand Sport Coupe and
Convertible
Published April 29, 2011 Page 87
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