MD5 checksum is a 128-bit hash value (32 characters). Use checksum values. In practice, checksum values are mainly used in three situations. First, checksum value can be used to check data integrity when data is sent through telecommunication networks such as Internet.
Performance Exhaust System. The main purpose of an exhaust system is undoubtedly to route the spent exhaust gas out of the car's engine. Along the way the exhaust gasses may be used to drive a turbocharger and now-a-days it will most definitely incorporate a catalyst converter to reduce carbon dioxide emissions.
1 - Lots of Exhaust Smoke when starting car-Valve Seals Gone Bad. If Smoke from Exhaust appears after you car has been parked for a while this would suggest Bad Valve Seals. Oil has probably dripped into the engine while it was parked. Engines have valves that open and close. The Valves are opened mechanically by pressure being applied to them by a Rocker Arm.