J-B Weld Exhaust System Sealant is a heat resistant paste that is used to seal gaps, smooth seams or seal pipe connections within an exhaust system reassembly or repair. The paste is resistant to temperatures of up to 850 deg F with negligible, if any shrinkage.
Product Features:- Temperature resistant sealant
- Withstands heat up to 850 deg F
- Set time 30 minutes
- Non shrinking