1st thru 3rd 1 8t 50 trim 20psi

Includes the mounting tabs for a easy zip tie install. Capable of producing over 450 horsepower. Audi vw stainless 1.8t a4 tt golf gti t3/t4 turbo kit can be setup to adjust boost psi on the fly. This kit may allow you to keep your air conditioning and power steering for a great street setup.