Custom Car Bundle #1 includes:

2005 Pontiac GTO
1999 Mitsubishi Eclipse
2007 Lamborghini Murcilago LP640
1969 Plymouth Road Runner
2006 Porsche 911 GT3 RS
2006 Shelby GT500
1995 Toyota MR2

All of the cars in this bundle can be received by progressing through the single player except the 2006 Shelby GT500, which is an exclusive to the XBL Marketplace. These custom cars are pre-tuned and cannot be modified further with in game performance upgrades. The price is 400 MS points.


Custom Car Bundle #2 includes:

BMW M3 GTR
2004 Lexus IS300
1987 Toyota Corolla GTS
1970 Chevelle SS
2006 Lotus Europa S
2006 Pagani Zonda

All of the cars in this bundle can be received by progressing through the single player except the 1887 Corolla GTS and the 2006 Pagani Zonda F, which are an exclusive to the XBL Marketplace. These custom cars are pre-tuned and cannot be modified further with in game performance upgrades. The price is 400 MS points.


There is an after market hoods bundle which unlocks every possible hood in the game available for 80 MS points.


There is an after market spoilers bundle which unlocks every possible front and rear Spoiler in the game available for 100 MS points.


There is an after market roof scoop bundle which, (surprise!), unlocks all of the roof scoops in the game available for 60 MS points.


Last but not least is the 1987 Toyota Corolla GTS AE86 car available for 80 MS points. This Toyota is an exclusive to the XBL marketplace.

Information Courtesy of Major Nelson