Tremec’s Magnum is the aftermarket version of the OEM TR-6060 6-speed, which is the successor to the original OEM T-56 6-speed. Tremec T-56 The first T-56 came out in 1992 in the Dodge Viper ...

One of their topics of conversation with the product czar was manual transmissions, and it was reported that the '09 Pontiac G8 GT would be offered with an optional Tremec 6-speed manual transmission.