Exhaust wrap 800 deg C, 51mm, 15m roll 850 SAAB Part# 9181538 Reference 078121058AM Important information SAAB Part# 9181538 Bend: 45 degree Inner diameter 1 (mm): 83 mm Inner diameter 2 (mm): 102 mm Inner diameter 1 (inch): 3 1 4 inch Inner diameter 2 (inch): 4 inch Leg length (see picture): 152 mm Color: Blue Wall thickness: 6 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 95 mm Outer diameter 2: 114 mm Reinforcement: 5 layers Material: High quality silicone rubber polyester fabric downpipe and exhaust system to keep temperature in exhaust gases and to protect parts close to the exhaust from radiant heat Another advantage are that by wrap the exhaust manifold and downpipe you can reduce the under hood tempereatures a lot