Ford - Thunderbird 1991 - 2005 3.9L - K&N Intake Kits
1991-1997 Ford Thunderbird-K&N Air Intake Kit
  - K/N-57-2505-1
Key Features 57-2505-1

• Estimated Horsepower Gain: 4.7 HP @ 3418 RPM
• Replacement Filter: RF-1016
• Clamp Style: Regular
Click to View
• Dyno Results
• Install Instructions
• Large Photo
Price: $159.88 Sale Price: $103.12     
2003-2004 Thunderbird 3.9L-K&N Intake Kit
  - K/N-69-3520TP
Key Features 57-2562
• Estimated Horsepower Gain: 7.98HP @ 5379 RPM
• High Density Polyethylene Tubing
• Uses RU-5122 6-Layer Oiled Filter
Click to View
• Dyno Results
• Install Instructions
• Large Photo
Price: $335.38 Sale Price: $216.32     
2003-2005 Thunderbird 3.9L-K&N Intake Kit
  - K/N-57-2562
Key Features 57-2562
• Estimated Horsepower Gain: 15.69 HP @ 6000 RPM
• High Density Polyethylene Tubing
• Uses RC-4630 6-Layer Oiled Filter
Click to View
• Dyno Results
• Install Instructions
• Large Photo
Price: $345.53 Sale Price: $222.87     
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