Glossary / General

back pressure

11 Episode Mentions

Too Afraid to Ask

Back pressure is the pressure that builds up in the exhaust system when gases can't flow out easily. Too much back pressure can hurt the engine's performance.

Technical Definition

Back pressure refers to the resistance against the flow of exhaust gases in the exhaust system. Excessive back pressure can lead to reduced engine performance and efficiency, as well as potential damage to engine components.

Hear It Discussed

"but they need to check the back pressure on the engine by taking off the cap and then we find out."
Automotive Tips to Reduce Repair Expenses from the Authority in Auto Repair Advice Under The Hood show 44:50

"...we never want to reduce back pressure over anything factory you know so we're measuring what the factory is doing..."
S3, E75 - David Borla The Truck Show Podcast 14:41

"if you've got 20 pounds of boost, maybe only 25 pounds of back pressure, now you got 20 pounds of boost and 100 pounds of back pressure."
Did the EPA Just Legalize DEF Deletes? Kory Willis & Lawyer Explain The Diesel Podcast 23:35