Officially, RPO code N14--available on '65-'67 Corvettes--was known as the "Side Mount Exhaust System." Vette people just call this option "side pipes." Regardl ...

Granatelli Motor Sports LS6 Axle-Back Exhaust - Loud Pipes Rule - CHP Step By Step. Treat Your C5 To A More Aggressive Tone. HOT ROD Staff Writer Aug 19, 2010. See All 13 Photos.