The CTS Turbo Top mount exhaust manifold for the VW/Audi 1.8T 20V engine is designed for use with T3 flanged turbochargers and 38mm or 39mm wastegates.  The top mount design allows for very easy installation into VW MK4, MK3, MK2, Audi TT225, TT180HP, S3, along with various Seat and Skoda 1.8T models, the semi-equal length design was used to optimize peak power and retain good spool characteristics.  Our manifold is manufactured with the highest grade ductile iron, with high tolerance to extreme heat, cracking and warping.

Applications:
Transversely mounted VW/Audi 1.8T
Top Mount cast semi-equal length
T3 flanged turbo manifold for use with 38 or 39mm external wastegate