SSI heat exchanger set in stainless steel, with 41 mm Ø outside tubing for better flow and performance. For use when converting to twin inlet exhaust rear silencer.

State of the art heat exchanger design and finish all made entirely of stainless steel AISI 304/321, meaning long life even in the severest conditions (road salt). Output is increased particularly in the low and the middle RPM ranges.

To fit:
911 Carrera 3.2 08/1983-07/1989
* Replacement oil hoses are also required, part numbers 91110772910 and 91110773910
IMPORTANT: Major modification needed on engine tin ware when installing on 3.2l engines