Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining safe air-fuel ratios and preventing knock and check engine lights that plague competitors.

Advantages of a PREracing Stage1 tune:

• Flexibility for a variety of aftermarket parts
• Horsepower gains of over 40whp above stock mapping with over 80whp gain at 3600rpm.
• Torque gains of over 100ftlb over stock mapping with 115ftlb gain at 3600rpm
• Significant performance increase over stock mapping, Cobb Stage 1, and Cobb Stage 2 mapping
• The tuning package includes files for 91ACN, 92oct, and 93oct fuels as well as a 91+ eco map.
• Extensively tested on the dyno, the street, and the racetrack.
• Quarter mile dragstrip time proven at 12.6@109mph! (external link)

Advantages of a PREracing Stage 2 tune:

• Flexibility for a variety of aftermarket parts

• Horsepower gains of 65whp peek above stock mapping with over 85whp gain at 3600rpm.

• Torque gains of over 120ftlb peek over stock mapping with 130ftlb gain at 3600rpm

• Significant performance increase over stock mapping, Cobb "Stage 2" mapping, and PREracing Stage1 mapping.

• The tuning package includes files for 91ACN, 92oct, and 93oct fuels as well as a 91+ eco map.

• Extensively tested on the dyno, the street, and the racetrack.