Low restriction mufflers ... with a relatively small displacement engine, Buick really did make a one-of-a-kind machine. When the GNX was originally released, it had an MSRP of $29,290 ($77,618.50 in ...

Speed rarely comes cheap ... the 1250T revolution max engine. This engine uses smaller valves and ports and a different combustion chamber shape than the engine equipped with Harley's famed Pan ...