Adding NPP Performance Exhaust (PIC5985C)
Publication date: 2018-10-01Reference number: PIC5985C
Supersedes refnos: PIC5985B
ADDING NPP PERFORMANCE EXHAUST
TECHNICAL SERVICE BULLETIN
SERVICE INFORMATION
| Brand: | Model: | Model Year: | VIN: | Engine: | Transmission: | ||
|---|---|---|---|---|---|---|---|
| from | to | from | to | ||||
| Chevrolet | Corvette | 2014 - 2019 | All | All | All | All | |
Supersession Statement
This PI was superseded to update Model Years. Please discard all copies of PIC5985B.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
CORRECTION
A dealer or customer may inquire if RPO NPP (Dual Mode Performance Exhaust System) can be added to a Stingray that was produced without the option.
Recommendations / Instructions
Do NOT attempt to add RPO NPP (Dual Mode Performance Exhaust System) to a car that was not manufactured with it. General Motors does not support the software changes that are required
SERVICE INFORMATION
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.