Porsche 911 GT3 Cup 2018 Techical Manual page 51

The clearance of the front muffler to the heat
NOTE
Engine
Engine protection parts must not be less than 6 mm/0,23
inch
If the muffler comes into contact with the heat shield
during travel, the insulation can be damaged. The
insulation effect is reduced. Thermal overloading of
surrounding components may occur.
6 mm/0,23 inch
6 mm/0,23 inch
1.9.18
911 GT3 Cup (991 II)
Version: 4/20/2018
50
MY 2018