Bonus cars
Enter one of the following names at the driver creation screen to unlock the corresponding car in any game mode.

Audrey Clark
Benny Parsons (TNT Sports car)
Benny Parsons2 (NBC Sports car)
Buster Auton (pace car)
Cheryl King
Chuck Spicer
Crissy Hillsworth
Daryl Wolfe
Dave Alpern
Dave Nichols
Diane Grubb
Dick Paysor
Jim Hannigan
Joey Joulwan
Josh Neelon
Katrina Goode
Ken Patterson
Kitt Paint (primer car, no decals or paint)
Kristi Jones
Mandy Misiak
Michelle Emser
Rick Edwards
Rick Humphrey
Sasha Soares
Scott Brewer
Tom Renedo
Traci Hultzapple
Troi Hayes

Bonus cars
Win the points championship in career mode to unlock the following cars and clips.

One time: Greg Biffle's and Shane Hall's Busch car. Note: This also unlocks another clip in the EA Sports section.
Two times: Kevin Grubb's and Randy LaJoie's Busch car.
Three times: Jason Keller's and Jamie McMurray's Busch car.
Four times: Chad Little's and Michael Waltrip's Busch cars.
Five times: Elton Sawyer's and Mike McLaughlin's Busch cars.
Six times: Jay Sauter's and Mike Dillon's Busch cars.
Seven times: James Finch's and Scott Wimmer's cars.
Eight times: Jeff Green's car.

Ramming cars
Get the car you want ram directly besides. Keep him beside your car on the left side. When you are coming around a corner, press Analog-stick Left to send him straight into the wall. You can also keep him along your left side and wait for the pit entrance get near. Then, press Analog-stick Left to send him into the pits. Some cars can regain control before they go in, so get as close as you can.

FMV sequences
Successfully complete season mode to unlock a new FMV sequence each time that it is done.

Recommended settings
Note: If you are playing in career mode, these settings work best with a fully tuned car.

Tire Pressure - Track
45 p.s.i. - Atlanta
45 p.s.i. - Bristol
33 p.s.i. - California
45 p.s.i. - Chicagoland
45 p.s.i. - Darlington
42 p.s.i. - Daytona
30 p.s.i. - Dover
30 p.s.i. - Homestead Miami
30 p.s.i. - Indianapolis
35 p.s.i. - Kansas
30 p.s.i. - Las Vegas
45 p.s.i. - Lowe's
30 p.s.i. - Martinsville
45 p.s.i. - Michigan
30 p.s.i. - New Hampshire
45 p.s.i. - North Carolina
30 p.s.i. - Pocono (Qualify)
30 p.s.i. - Pocono
30 p.s.i. - Richmond
30 p.s.i. - Sears Point
30 p.s.i. - Talladega
30 p.s.i. - Texas
30 p.s.i. - Watkins Glen

Other recommendations
Albuquerque
Transmission: Manual
Tire Pressure: 20
Shocks: 100%
Downforce: 7.4
Wedge: 49.2%
Left Bias: 0
Rear Bias: 180
Wheel Lock: 15.4
Gear Ratios: 8.91, 7.06, 5.41, 3.71
Boca Chica
Transmission: Manual
Tire Pressure: 20
Shocks: 100%
Downforce: 8.2
Wedge: 49.2%
Left Bias: 60
Rear Bias: 120
Wheel Lock: 14.6
Gear Ratios: 8.81, 7.16, 5.61, 4.16
Bristol
Transmission: Manual
Tire Pressure: 48
Shocks: 100%
Downforce: 7.4
Wedge: 47.6%
Left Bias: 300
Rear Bias: 240
Wheel Lock: 15.0
Gear Ratio: 10.0, 7.20, 5.70, 4.60
California
Transmission: Manual
Tire Pressure: 44
Shocks: 50%
Downforce: 1.0
Wedge: 49.2%
Left Bias: 210
Rear Bias: 0
Wheel Lock: 15.4
Gear Ratios: Default
Charlotte
Transmission: Manual
Tire Pressure: 40
Shocks: 0%
Down Force: 1.0
Wedge: 46.8%
Left Bias: 300
Rear Bias: 180
Wheel Lock: 14.6
Gear Ratios: 7.71, 5.56, 4.00, 3.20
Cocoa Beach
Transmission: Manual
Tire Pressure: 40
Shocks: 80%
Downforce: 1.0
Wedge: 49.2%
Left Bias: 120
Rear Bias: 120
Wheel Lock: 15.0
Gear Ratios: 6.91, 5.16, 3.70, 3.00
Darlington
Transmission: Manual
Tire Pressure: 40
Shocks: 70%
Downforce: 2.6
Wedge: 49.2%
Left Bias: 300
Rear Bias: 180
Wheel Lock: 14.2
Gear Ratios: 7.71, 6.01, 4.25, 3.20
Daytona and Talladega
Transmission: Manual
Tire Pressure: 48
Shocks: 0%
Downforce: 1.0
Wedge: 49.2%
Left Bias: 300
Rear Bias: 180
Wheel Lock: 13.8
Gear Ratios: Defaults
Daytona Beach
Transmission: Manual
Tire Pressure: 40
Shocks: 100%
Downforce: 1.0
Wedge: 48.4%
Left Bias: 300
Rear Bias: 180
Wheel Lock: 14.6
Gear Ratios: 6.66, 5.06, 3.70, 3.00
Devil's Canyon
Transmission: Manual
Tire Pressure: 20
Shocks: 100%
Downforce: 7.4
Wedge: 51.6%
Left Bias: 60
Rear Bias: 60
Wheel Lock: 14.2
Gear Ratio: 9.56, 7.60, 5.80, 4.21
Lap times with this set-up should be around 1:31.7 to 1:32.5.
Dover
Transmission: Manual
Tire Pressure: 44
Shocks: 100%
Downforce: 3.4
Wedge: 48.4%
Left Bias: 300
Rear Bias: 180
Wheel Lock: 15.0
Gear Ratios: 7.61, 5.81, 4.20, 3.20
Homestead Raceway
Transmission: Manual
Tire Pressure: 48
Shocks: 40%
Downforce: 1.0
Wedge: 48.4%
Left Bias: +300
Rear Bias: 0
Wheel Lock: 15.4 degrees
Gear Ratios: 7.61, 5.51, 3.70, 3.00
Indianapolis
Transmission: Manual
Tire Pressure: 40
Shocks: 80%
Downforce: 1.0
Wedge: 48.4%
Left Bias: 300
Rear Bias: 180
Wheel Lock: 14.6
Gear Ratio: 7.06, 5.21, 3.70, 3.00
Phoenix
Transmission: Manual
Tire Pressure: 44
Shocks: 100%
Downforce: 4.2
Wedge: 49.2%
Left Bias: 300
Rear Bias: 180
Wheel Lock: 14.6
Gear Ratio: 9.50, 6.40, 4.00, 3.20
Pocono
Transmission: Manual
Tire Pressure: 36
Shocks: 60%
Downforce: 1.0
Wedge: 49.2%
Left Bias: 180
Rear Bias: 180
Wheel Lock: 13.8
Gear Ratios: 7.56, 5.56, 3.70, 3.00
Richmond
Transmission: Manual
Tire Pressure: 52
Shocks: 100%
Downforce: 5.0
Wedge: 48.4%
Left Bias: 300
Rear Bias: 180
Wheel Lock: 14.2
Gear Ratio: 9.16, 7.20, 5.70, 4.36
Sears Point
Transmission: Manual
Tire Pressure: 28
Shocks: 100%
Downforce: 8.2
Wedge: 49.2%
Left Bias: 0
Rear Bias: 180
Wheel Lock: 15.0
Gear Ratios: 10.00, 7.80, 5.80, 4.25
Texas Motor Speedway
Transmission: Manual
Tire Pressure: 52 PSI
Suspension: 100%
Down Force: 1.0
Wedge: 46.0
Left Bias: +300
Rear Bias: +120
Wheel Lock: 15.8
Gear Ratios: 8.31, 6.06, 4.00, 3.20
Watkins Glen
Transmission: Manual
Tire Pressure: 40
Shocks: 100%
Downforce: 7.4
Wedge: 49.2%
Left Bias: 0
Rear Bias: 180
Wheel Lock: 14.6
Gear Ratio: 10.0, 7.30, 5.70, 4.30