Autotech has long stated that open air filters in the engine compartment are a poor substitute for a good K&N® filter in the factory airbox. The primary reason is because any gains seen by removing the restrictive airbox are quickly lost when the motor ingests the hot air from the engine compartment. While the K&N panel replacement filters are still a good solution, the best solution for maximum power is now here: The Autotech Cold Air Intake.

The factory airbox has been found to be restrictive, robbing precious horsepower and stifling the engine's intake note under acceleration.

The intake tube mates to the mass airflow sensor via a silicone hose coupling for high performance that you demand and the race look you desire. Autotech engineers also insisted on using only original connectors to retain the factory air pump hose for an OEM quality installation². Easily the best Cold Air Intake available today for your Golf or Jetta. Available for Mk4 2.0L, 1.8T, and VR6 models. New CAIs are available to fit Mk3 2.0L and VR6 models, too!

Autotech has addressed both issues with our new Composite Cold Air Intake Kits. The factory airbox is completely removed and a custom K&N® air filter with an integrated velocity stack¹ is placed down low in the fender well to ingest cold outside air. Significant horsepower and torque is gained, as is a throaty intake growl when putting the hammer down! Don't settle for competitor's heavier steel units when you can enjoy the ultra lightweight performance that composite provides, at a comparable price!

Dyno results show a significant increase in power and torque over stock. The 337 GTI shown here made a peak increase of 8 hp and 7.5 ft lb of torque, and an increased average of over 14 hp across the entire rev range.

1. Integral velocity stack in Mk4 versions only.
2. Mk4 only.

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